Whitney Cranshaw's Images
Title: Professor/Extension Specialist, EntomologyOrganization: Colorado State University
Unit: Dept. Bioagricultural Sciences and Pest Management
Country: United States
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| 1,414 Images of 578 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5445255 | common desert centipede | Scolopendra polymorpha | |
| 5445256 | blister beetle | Epicauta aspera | Close-up of head |
| 5443184 | spruce beetle | Dendroctonus rufipennis | Interpretive sign related to spruce beetle with image that is not in true proportion. Photograph taken July 27, 2011 |
| 1475015 | windscorpions | Eremobates spp. | close up of head |
| 5393459 | broadwinged katydid | Microcentrum rhombifolium | close up of front showing "ear" on front leg |
| 5393462 | broadwinged katydid | Microcentrum rhombifolium | close up of front showing "ear" on front leg |
| 5393528 | prairie robber fly | Diogmites angustipennis | Close-up of face |
| 5445288 | harvestmen | Leiobunum spp. | Close-up of chelicerae |
| 5393530 | Colorado plains soldier beetle | Chauliognathus basalis | Four pairs resting on flower in early morning. |
| 5422280 | achemon sphinx | Eumorpha achemon | Close-up showing spiracles |
| 5393463 | broadwinged katydid | Microcentrum rhombifolium | Adult |
| 5393483 | banded ash borer | Neoclytus caprea | adult and emergence hole |
| 5393529 | bumble bees | Bombus spp. | Male resting in sunflower during early morning. |
| 5445208 | cooley spruce gall adelgid | Adelges cooleyi | Adults swollen with eggs on underside of spruce terminals |
| 5445370 | click beetles | Alaus spp. | Adults of the 3 Alaus spp. known to be present in Colorado (l-r) - Alaus oculatus, A. melanops, A lusciosus |
| 1455118 | green peach aphid | Myzus persicae | Apterous adult |
| 1455191 | robber flies | Adult Proctacanthes sp. feeding on smaller robber fly, Sarcopogon sp. | |
| 5188062 | stonefly | Perlesta cranshawi | Adult, underside of head and thorax. A newly described species from Virginia |
| 1455193 | grape mealybug | Pseudococcus maritimus | Large colony |
| 5445357 | opuntia bug | Chelinidea vittiger | mating |
| 5445356 | blister beetle | Epicauta aspera | |
| 5445345 | blister beetle | Epicauta aspera | |
| 5445328 | tarantula | Aphonopelma vogelae | |
| 5445323 | black soldier fly | Hermetia illucens | |
| 5445312 | black soldier fly | Hermetia illucens | |
| 5445298 | rabbitbrush beetle | Trirhabda nitidicollis | |
| 5445296 | common desert centipede | Scolopendra polymorpha | |
| 5445294 | walnut twig beetle | Pityophthorus juglandis | Host: black walnut Adults on penny showing relative to size |
| 5445293 | walnut twig beetle | Pityophthorus juglandis | Adults on penny showing relative size Host: black walnut |
| 5445291 | two-striped grasshopper | Melanoplus bivittatus | Afult found climbing plant following light rain |
| 5445246 | imported currantworm | Nematus ribesii | Mating swarm in plant interior |
| 5445245 | imported currantworm | Nematus ribesii | |
| 5445243 | imported currantworm | Nematus ribesii | |
| 1325017 | pin oak kermes | Allokermes galliformis | mature females on pin oak |
| 5445235 | conehead katydid | Neoconocephalus ensiger | side view of head and thorax |
| 5445236 | conehead katydid | Neoconocephalus ensiger | Front view of face |
| 5445232 | conehead katydid | Neoconocephalus ensiger | side view |
| 5445234 | conehead katydid | Neoconocephalus ensiger | top view |
| 5445216 | sunflower headclipping weevil | Haplorhynchites aeneus | Adult clipping sunflower stem at base of head. A gray sunflower seed weevil (Smicroniyx sordidus) is also in picture. |
| 5445215 | sunflower headclipping weevil | Haplorhynchites aeneus | Adult clipping sunflower stem at base of head. A gray sunflower seed weevil (Smicroniyx sordidus) is also in picture. |
| 5445214 | sunflower headclipping weevil | Haplorhynchites aeneus | Adult clipping sunflower stem at base of head. A gray sunflower seed weevil (Smicroniyx sordidus) is also in picture. |
| 5445200 | western bat bug | Cimex pilosellus | |
| 1476113 | pin oak kermes | Allokermes galliformis | Kermes scale and assocaited sticky ooze |
| 5445190 | cherry curculio | Anthonomus consors | |
| 5445189 | western bat bug | Cimex pilosellus | |
| 5445165 | Argentine ant | Linepithema humile | Feeding on sugar water/boric acid bait |
| 5445164 | Argentine ant | Linepithema humile | Feeding on fipronil gel bait |
| 5445160 | spurge hawkmoth | Hyles euphorbiae | |
| 5445353 | two-tailed tiger swallowtail | Papilio multicaudata | |
| 5445348 | robust camel cricket | Udeopsylla robusta | |
| 5445347 | robust camel cricket | Udeopsylla robusta | |
| 5445341 | hummingbird clearwing | Hemaris thysbe | |
| 5445339 | nine-spotted lady beetle | Coccinella novemnotata | |
| 5445340 | nine-spotted lady beetle | Coccinella novemnotata | |
| 5445333 | two-striped grasshopper | Melanoplus bivittatus | |
| 5445332 | two-striped grasshopper | Melanoplus bivittatus | |
| 5445329 | two-striped grasshopper | Melanoplus bivittatus | Mating pair |
| 5445326 | Oklahoma brown tarantula | Aphonopelma hentzi | |
| 5445319 | paper wasp | Polistes dominula | Small lek of males, present in mid-September |
| 5445315 | western yellowjacket | Vespula pensylvanica | Adult visiting pancakes with syrup |
| 5445314 | western yellowjacket | Vespula pensylvanica | |
| 5445383 | plains lubber grasshopper | Brachystola magna | Adults feeding on road killed grasshopper |
| 5445381 | plains lubber grasshopper | Brachystola magna | Adult feeding on road killed grasshopper |
| 5445382 | plains lubber grasshopper | Brachystola magna | Adult feeding on road killed grasshopper |
| 5445378 | banded net-winged beetle | Calopteron reticulatum | mating pair |
| 5445377 | banded net-winged beetle | Calopteron reticulatum | |
| 5445302 | two-tailed tiger swallowtail | Papilio multicaudata | Adult visiting larkpur |
| 5445303 | two-tailed tiger swallowtail | Papilio multicaudata | Visiting larkpur |
| 5445290 | blister beetle | Epicauta stuarti | |
| 5445289 | blister beetle | Epicauta stuarti | |
| 5445286 | harvestmen | Leiobunum spp. | |
| 5445287 | harvestmen | Leiobunum spp. | |
| 5445278 | blister beetle | Epicauta stuarti | |
| 5445267 | blister beetle | Lytta stygica | |
| 5445223 | pigeon tremex | Tremex columba | |
| 5445176 | colorado hairstreak | Hypaurotis crysalus | |
| 5445171 | asparagus beetle | Crioceris asparagi | |
| 5445170 | asparagus beetle | Crioceris asparagi | |
| 5445169 | paper wasp | Polistes dominula | Adults visiting hummingbird feeder |
| 5445121 | Virginia creeper clearwing | Albuna fraxini | |
| 5445224 | pigeon tremex | Tremex columba | |
| 5445225 | pigeon tremex | Tremex columba | |
| 5445204 | cooley spruce gall adelgid | Adelges cooleyi | |
| 5445205 | cooley spruce gall adelgid | Adelges cooleyi | with eggs |
| 5445203 | cooley spruce gall adelgid | Adelges cooleyi | |
| 5445192 | imported willow leaf beetle | Plagiodera versicolora | |
| 5445182 | differential grasshopper | Melanoplus differentialis | Mating pair on damaged host |
| 5445177 | broadwinged katydid | Microcentrum rhombifolium | |
| 5445151 | broadwinged katydid | Microcentrum rhombifolium | |
| 5445132 | locust borer | Megacyllene robiniae | Teneral adult within tunnel of black locust |
| 5445131 | locust borer | Megacyllene robiniae | Teneral adults within tunnels of black locust |
| 5443297 | wasp mantidfly | Climaciella brunnea | |
| 5443298 | wasp mantidfly | Climaciella brunnea | Adult feeding on blow fly |
| 5443299 | wasp mantidfly | Climaciella brunnea | Adult feeding on blow fly |
| 5443300 | wasp mantidfly | Climaciella brunnea | Adult striking at wasp |
| 5443284 | hairy rove beetle | Creophilus maxillosus | |
| 5443285 | hairy rove beetle | Creophilus maxillosus | On rabbit carrion |
| 5443286 | hairy rove beetle | Creophilus maxillosus | mating pair on rabbit carrion |
| 5443276 | European earwig | Forficula auricularia | |
| 5443277 | European earwig | Forficula auricularia | |
| 5443278 | European earwig | Forficula auricularia | Close-up of female cerci |
| 5443279 | European earwig | Forficula auricularia | Female killed by tachinid fly parasite. The puparia of the parasitoid is on the right. |
| 5443281 | poplar twiggall fly | Hexomyza schineri | |
| 5443282 | poplar twiggall fly | Hexomyza schineri | |
| 5443258 | cabbage looper | Trichoplusia ni | Visiting canola flowers |
| 5443259 | saltmarsh caterpillar | Estigmene acrea | Also known as the "Acrea moth."Males on top row, females bottom row |
| 5443260 | honeylocust pod gall midge | Dasineura gleditchiae | Ovipositing |
| 5443265 | European elm flea weevil | Orchestes alni | Adult and associated shothole damage |
| 5443266 | European elm flea weevil | Orchestes alni | Adults and associated shothole damage |
| 5443268 | European elm flea weevil | Orchestes alni | |
| 5443247 | alfalfa looper | Autographa californica | Front view |
| 5443248 | Indianmeal moth | Plodia interpunctella | |
| 5443249 | Indianmeal moth | Plodia interpunctella | |
| 5443251 | Indianmeal moth | Plodia interpunctella | |
| 5443236 | alfalfa looper | Autographa californica | |
| 5443242 | European crane fly | Tipula paludosa | |
| 5443243 | European crane fly | Tipula paludosa | |
| 5443218 | American dagger moth | Acronicta americana | Pinned adults. Female on top: male on bottom |
| 5443219 | black witch | Ascalapha odorata | |
| 5443220 | black witch | Ascalapha odorata | |
| 5443225 | alfalfa looper | Autographa californica | |
| 5443210 | blue cactus borer | Melitara dentata | |
| 5443211 | brown house moth | Hofmannophila pseudospretella | |
| 5443189 | weidemeyer's admiral | Limenitis weidemeyerii | Adult drinking at moist spot of soil |
| 5443194 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Adult female on twiggall. Photograph taken November 5, 2011 |
| 5443195 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Adult female on twiggall. Photograph taken on November 5, 2010 |
| 5443196 | western dobsonfly | Corydalus texanus | adult male and female, pinned |
| 5443198 | western dobsonfly | Corydalus texanus | photograph taken July 26, 2011 |
| 5443199 | western dobsonfly | Corydalus texanus | photograph taken July 26, 2011 |
| 5443200 | black witch | Ascalapha odorata | Resting on telephone pole. Photograph taken July 10, 2010 |
| 5443201 | sculptured pine borer | Chalcophora angulicollis | |
| 5443202 | metalic wood-boring beetle | Agrilus cyanescens | |
| 5443204 | metalic wood-boring beetle | Agrilus cyanescens | |
| 5443188 | weidemeyer's admiral | Limenitis weidemeyerii | Adult drinking at moist spot of soil |
| 5443178 | metallic wood-boring beetles | Gyascutus planicosta obliteratus | Adult resting on foliage. Photograph taken July 25, 2011 during which there was a localized mass emergence. |
| 5443179 | metallic wood-boring beetles | Gyascutus planicosta obliteratus | Adult in flight. Photograph taken July 25, 2011 during which there was a localized mass emergence. |
| 5443167 | twospotted spider mite | Tetranychus urticae | mites on underside of leaf |
| 5443171 | banded woollybear | Pyrrharctia isabella | Adults pinned. The top insect is a male: the lower two females. Adults are sometimes known as the " Isabella moth." |
| 5443172 | achemon sphinx | Eumorpha achemon | Photograph taken July 24, 2011 |
| 5443173 | achemon sphinx | Eumorpha achemon | Photograph taken July 24, 2011 |
| 5443174 | philodromid crab spider | Tibellus spp. | Adult resting on egg mass. Photograph taken July 25, 2011. |
| 5443176 | metallic wood-boring beetles | Gyascutus planicosta obliteratus | Adult resting on foliage. Photograph taken July 25, 2011 during which there was a localized mass emergence |
| 5443177 | metallic wood-boring beetles | Gyascutus planicosta obliteratus | Adult resting on foliage. Photograph taken July 25, 2011 during which there was a localized mass emergence. |
| 5443154 | jumping bean moth | Cydia deshaisiana | Extruded pupal case and adult |
| 5443155 | jumping bean moth | Cydia deshaisiana | Adult next to seed |
| 5443156 | jumping bean moth | Cydia deshaisiana | |
| 1246037 | poplar-and-willow borer | Cryptorhynchus lapathi | |
| 1326217 | false chinch bug | Nysius raphanus | Massed group on Canola pod. |
| 1326218 | false chinch bug | Nysius raphanus | and nymphs, a generalist herbivore of herbaseous broadleaf plants. |
| 1326219 | false chinch bug | Nysius raphanus | Adults with larva of Tachnid parasitoid emerging. Generalist herbivore of herbaseous broadleaf plants. |
| 1326204 | bronze birch borer | Agrilus anxius | on Birch. |
| 1326187 | damsel bugs | Nabis spp. | Generalist predator of insects. |
| 1326175 | big poplar sphinx | Pachysphinx occidentalis | Adult. Found on Cottonwood, aspen, and willow. |
| 1326052 | hunting wasp | Pemphredon spp. | Recently emerged asult nesting in green ash twig |
| 1326012 | alfalfa webworm | Loxostege cereralis | Adults are a common "lawn moth" but larvae do not damage lawns. Also found on spinach, beets and many weeds. |
| 1326016 | crucifer flea beetle | Phyllotreta cruciferae | Comparison of size with apple flea beetle, Haltica foliaceae |
| 1325022 | cooley spruce gall adelgid | Adelges cooleyi | winged adults emergin from spruce gall |
| 1325028 | cooley spruce gall adelgid | Adelges cooleyi | overwintered female on twig |
| 1326008 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Winged adult form |
| 1243170 | western corn rootworm | Diabrotica virgifera virgifera | Adult chewing cabbage leaf |
| 1246020 | opuntia bug | Chelinidea vittiger | |
| 1243180 | western corn rootworm | Diabrotica virgifera virgifera | Adults feeding on watermelon fruit. There is a single western corn rootworm in this picture with the others being striped cucumber beetle |
| 1246085 | painted lady butterfly | Vanessa cardui | |
| 1246089 | painted lady butterfly | Vanessa cardui | With feeding wound from a bird |
| 1326114 | European elm scale | Eriococcus spuria | Mature females |
| 1455198 | citrus mealybug | Planococcus citri | Mealybug parasitized by Leptomastix dactylopii wasp |
| 5393452 | fireflies | Pyractomena spp. | This firefly was found in a meadow near Steamboat Springs, Colorado. Photinus species are quite rare in that region |
| 5393453 | fireflies | Pyractomena spp. | Adults showing dorsal and ventral features. These fireflies were found in a meadow near Steamboat Springs, Colorado. Photinus species are quite rare in that region |
| 1455181 | darkwinged fungus gnats | Bradysia spp. | |
| 1476126 | weevil | Magdalis spp. | |
| 1476107 | casemaking clothes moth | Tinea pellionella | adult and assocaited pupal case |
| 1476108 | modest sphinx | Pachysphinx modesta | pair of adults on cottonwood |
| 5393584 | Colorado plains soldier beetle | Chauliognathus basalis | |
| 1476105 | metalic wood-boring beetles | Agrilus quercicola | adult emerging from trunk |
| 1476106 | metalic wood-boring beetles | Agrilus quercicola | |
| 1455131 | mottled tortoise beetle | Deloyala guttata | |
| 1455140 | stag beetle | Lucanus mazama | |
| 1326192 | Carolina grasshopper | Dissosteira carolina | Generalist herbivore. |
| 1326001 | kermes scale | Allokermes gillettei | Mature females |
| 1246029 | horned ground mantis | Yersiniops solitaria | |
| 1246055 | western conifer-seed bug | Leptoglossus occidentalis | with field syptoms from infection |
| 1246017 | opuntia bug | Chelinidea vittiger | |
| 1246077 | cactus longhorn beetle | Moneilema annulatum | |
| 1243069 | Western masked chafer | Cyclocephala hirta | |
| 1246054 | conifer sawfly | Zadiprion townsendi | |
| 2166067 | giant robber fly of Great Plains | Microstylum morosum | Adult male perched on seed head; July 12, 2006 |
| 2166076 | Mydas fly | Mydas chrysostomus | Adult male; July 14, 2006 |
| 2166078 | Mydas fly | Mydas chrysostomus | Adult male; July 14, 2006 |
| 2166091 | golden dung flies | Scathophaga spp. | develops as a scavenger of moist organic materials |
| 1326216 | false chinch bug | Nysius raphanus | Generalist herbivore of herbaseous broadleaf plants. |
| 1326109 | European elm scale | Eriococcus spuria | colony of mature females at end of egg hatch (mid-July) |
| 1326240 | lettuce aphid | Nasonovia ribisnigri | Winged adult on Lettuce. |
| 1326119 | rose stem sawfly | Hartigia trimaculata | Pinned adult collected near Montrose, CO |
| 1326079 | sunflower headclipping weevil | Haplorhynchites aeneus | |
| 1326080 | sunflower beetle | Zygogramma exclamationis | |
| 1326074 | cottonwood leaf beetle | Chrysomela scripta | |
| 1326047 | leafcutter bee | Megachile spp. | Visiting flower pith |
| 1326131 | checkered white | Pontia protodice | Side view. |
| 1326007 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Adult exposed from gall immediately prior to emergence |
| 1326102 | poplar twiggall fly | Hexomyza schineri | Adult fly and primary parasitoid, the eurytomid Eurytoma contractura |
| 1455196 | Mydas fly | Mydas luteipennis | Mating pair |
| 1326180 | small milkweed bug | Lygaeus kalmii | Adult generalist seed feeder. |
| 1455096 | common true katydid | Pterophylla camellifolia | |
| 1326011 | treehopper | Micrutalus calva | |
| 1243179 | striped cucumber beetle | Acalymma vittatum | Striped cucumber beetle and spotted cucumber beetle adults feeding on watermelon fruit |
| 1455097 | fireflies | Photuris spp. | |
| 1455007 | vegetable leafminer | Liriomyza sativae | |
| 1243030 | crucifer flea beetle | Phyllotreta cruciferae | Adults and associated damage on cabbage. |
| 1455143 | shore fly | Note fly specks | |
| 1326239 | lettuce aphid | Nasonovia ribisnigri | Wingless adult on lettuce. |
| 1326207 | boxelder bug | Boisea trivittata | on Boxelder. |
| 1326188 | Rocky Mountain billbug | Sphenophorus cicatristriatus | on bluegrass. |
| 1326171 | harlequin bug | Murgantia histrionica | Adult on Broccoli florets. |
| 1326158 | prairie walkingstick | Diapheromera velii velii | Adult female. |
| 1326167 | bigeyed bugs | Geocoris spp. | Generalist insect predator. |
| 1326156 | vespiform thrips | Franklinothrips vespiformis | |
| 1326137 | diamondback moth | Plutella xylostella | |
| 1326069 | golden oak scale | Asterodiaspis variolosa | Colony on twig |
| 1325095 | Sphecid wasp | Ammophila spp. | carrying cherry sphinx prey |
| 1455095 | common true katydid | Pterophylla camellifolia | |
| 1326122 | cabbage white | Pieris rapae | Female ovipositing on Broccoli. |
| 1246049 | birch leafminer | Fenusa pusilla | |
| 1246035 | minute pirate bugs | Orius spp. | Feeding on thrips |
| 1246062 | darkling beetle | Eleodes suturalis | |
| 1246016 | leaf-footed bug | Narnia snowi | |
| 1455092 | broadwinged katydid | Microcentrum rhombifolium | |
| 1326159 | rainbow grasshopper | Dactylotum bicolor | Adult on rangeland forbs. |
| 1246090 | painted lady butterfly | Vanessa cardui | |
| 1455082 | broadwinged katydid | Microcentrum rhombifolium | Recently mated female with spermatophore |
| 1246031 | Chinese mantid | Tenodera aridifolia sinensis | Female |
| 1326105 | poplar twiggall fly | Hexomyza schineri | Adult sunning on leaf |
| 1246073 | elm leaf beetle | Xanthogaleruca luteola | Overwintered beetles in diapause coloration |
| 1455080 | pigeon tremex | Tremex columba | Female ovipositing |
| 1455142 | shore fly | On bedding plant flowers | |
| 1455008 | vegetable leafminer | Liriomyza sativae | |
| 1326043 | paper wasp | Polistes dominula | Early season nest with larvae visible distribution |
| 1243121 | potato/tomato psyllid | Paratrioza cockerelli | Hosts: Potato, tomato |
| 1246018 | opuntia bug | Chelinidea vittiger | |
| 1246013 | fourlined plant bug | Poecilocapsus lineatus | |
| 1455139 | stag beetle | Lucanus mazama | |
| 1246038 | poplar-and-willow borer | Cryptorhynchus lapathi | |
| 1455185 | pigeon tremex | Tremex columba | Female ovipositing |
| 1326108 | European elm scale | Eriococcus spuria | colony of mature females at egg hatch (mid-June) |
| 1243146 | bronzed cutworm | Nephelodes minians | Adult on Kentucky bluegrass. |
| 1455093 | black blister beetle | Epicauta pensylvanica | |
| 1326081 | cooley spruce gall adelgid | Adelges cooleyi | Alate stage emerged from gall |
| 1246070 | stag beetle | Lucanus mazama | Male and female |
| 1246066 | jet-black stink bug | Eleodes armata | In defensive posture |
| 1243126 | potato/tomato psyllid | Paratrioza cockerelli | Adult on tomato leaf |
| 1326018 | apple flea beetle | Altica foliaceae | on evening primrose (Oenothera) |
| 1326019 | apple flea beetle | Altica foliaceae | Damage to new growth |
| 1243021 | squash bug | Anasa tristis | Adults, mating pair on squash. |
| 1326004 | Cynipid gall wasp | Acraspis macrocarpae | agamic generation |
| 1325091 | Sphecid wasp | Ammophila spp. | carrying cherry spinx (Sphinx drupiferarum) prey |
| 1243171 | western corn rootworm | Diabrotica virgifera virgifera | Comparison of western corn rootworm (left, center) and striped cucumber beetle (right) |
| 1243123 | potato/tomato psyllid | Paratrioza cockerelli | Adults dispersing from tip of plant |
| 1243028 | squash bug | Anasa tristis | Adults feedinf on pumpkin fruit. |
| 1326042 | paper wasp | Polistes dominula | An introduced species of rapidly expanding distribution |
| 1455186 | pigeon tremex | Tremex columba | Female ovipositing |
| 2166080 | Mydas fly | Mydas chrysostomus | Close-up of head of adult male; July 14, 2006 |
| 1326165 | garden fleahopper | Halticus bractatus | Generalist of flowers and vegetables. |
| 1246072 | bed bug | Cimex lectularius | |
| 1455156 | forest tent caterpillar | Malacosoma disstria | |
| 1326075 | cottonwood leaf beetle | Chrysomela scripta | Mating pair |
| 1243124 | potato/tomato psyllid | Paratrioza cockerelli | Teneral adult |
| 2166079 | Mydas fly | Mydas chrysostomus | Adult female; July 14, 2006 |
| 1243043 | Colorado potato beetle | Leptinotarsa decemlineata | Adult on potato. |
| 1455192 | robber flies | Proctacanthus spp. | Mating |
| 1243168 | checkered melon beetle | Paranapiacaba tricincta | Adults massing on buffalo gourd fruit |
| 1243169 | western corn rootworm | Diabrotica virgifera virgifera | |
| 1243071 | dung beetle | Aphodius omissus omissus | |
| 1246027 | Carolina mantid | Stagmomantis carolina | Female |
| 1246065 | elm leaf beetle | Xanthogaleruca luteola | |
| 5393450 | European mantid | Mantis religiosa | Feeding on redlegged grasshopper |
| 5393536 | argus tortoise beetle | Chelymorpha cassidea | |
| 2167001 | prairie robber fly | Diogmites angustipennis | close-up of head showing facial bristles; July 14, 2006 |
| 2166068 | giant robber fly of Great Plains | Microstylum morosum | Adult female ovipositing in soil at base of mixed grasses and sunflowers; July 13, 2006 |
| 2166090 | narcissus bulb fly | Merodon equestris | adults are bumble bee mimics present in late spring; larvae develop in bulbs of narcissus, hyacinth and daffodils |
| 1243091 | fierce ground beetle | Pasimachus depressus | |
| 2166074 | robber fly | Triorla interrupta | A species most commonly found near streams; July 12, 2006 |
| 1246025 | European mantid | Mantis religiosa | Male, brown phase |
| 1455190 | pigeon tremex | Tremex columba | Female ovipositing |
| 1455188 | darkwinged fungus gnats | Bradysia spp. | in yellow stick trap |
| 1243068 | Western masked chafer | Cyclocephala hirta | |
| 1455189 | pigeon tremex | Tremex columba | Female ovipositing |
| 2166084 | deer fly | Chrysops atar | Adult feeding on arm of photographer |
| 2166075 | Mydas fly | Mydas clavatus | July 10, 2006 |
| 1246024 | European mantid | Mantis religiosa | Female, green phase |
| 1243087 | Western paper wasp | Mischocyttarus flavitarsis | Adult tending small nest |
| 2166083 | snipe fly | Symphoromyia fulvipes | Adult feeding on arm of photographer; June 30, 2006 |
| 1243088 | root-maggot flies | Delia spp. | Adult killed by entomopathogenic fungus (Entomopthora muscae) |
| 1326013 | clearwinged grasshopper | Camnula pellucida | |
| 2166089 | thich-headed fly | Myopa fulvifrons | Mating pair |
| 1455132 | mottled tortoise beetle | Deloyala guttata | |
| 1326170 | harlequin bug | Murgantia histrionica | Adult on Canola. |
| 2166070 | robber fly | Triorla interrupta | A species most commonly found near streams |
| 2166081 | Mydas fly | Mydas chrysostomus | |
| 1455017 | elm leafminer | Kaliofenusa ulmi | |
| 2166086 | black blow fly | Phormia regina | |
| 2166085 | black blow fly | Phormia regina | |
| 1326014 | clearwinged grasshopper | Camnula pellucida | |
| 2166100 | prairie robber fly | Diogmites angustipennis | adult on streamside vegetation; July 14, 2006 |
| 1326121 | cabbage white | Pieris rapae | visiting flower |
| 2166087 | prairie robber fly | Diogmites angustipennis | Adult eclosion; Adult approximately 5 minutes after initiation of emergence from pupal skin, within 15 seconds of adult emergence; June 23, 2006 |
| 1455089 | differential grasshopper | Melanoplus differentialis | |
| 1326183 | assassin bugs | Zelus spp. | Generalist insect predator. |
| 1246079 | Western horsefly | Tabanus punctifer | |
| 2166073 | Mydas fly | Mydas clavatus | July 10, 2006 |
| 1455083 | green fool grasshopper | Acrolophitus hirtipes | Female |
| 1455099 | fireflies | Photuris spp. | |
| 1455100 | fireflies or lightning bugs | ||
| 1326041 | paper wasp | Polistes dominula | Nest observed in early July |
| 1246032 | Chinese mantid | Tenodera aridifolia sinensis | Male |
| 1326050 | leafcutter bee | Megachile spp. | Adult carrying leaf fragment |
| 1326132 | checkered white | Pontia protodice | Wings open. |
| 1326160 | two-striped grasshopper | Melanoplus bivittatus | Adult generalist plant feeder. |
| 2166088 | black blow fly | Phormia regina | Adult feeding animal dung |
| 2166097 | prairie robber fly | Diogmites angustipennis | teneral adult next to pupal skin; June 23, 2006 |
| 1455088 | broadwinged katydid | Microcentrum rhombifolium | |
| 1243042 | Colorado potato beetle | Leptinotarsa decemlineata | Mating pair of adults on potato. |
| 1326161 | plains lubber grasshopper | Brachystola magna | feeds on Rangeland forbs. |
| 1455085 | gray bird grasshopper | Schistocerca nitens | |
| 2166098 | prairie robber fly | Diogmites angustipennis | adult within 10 seconds of emergence from pupal skin; note meconium spot on soil; June 23, 2006 |
| 1326163 | plains lubber grasshopper | Brachystola magna | Mating pair feeds on rangeland forbs. |
| 2166072 | robber fly | Triorla interrupta | Adult feeding on grasshopper; July 11, 2006 |
| 1455087 | broadwinged katydid | Microcentrum rhombifolium | |
| 2166069 | robber fly | Stichtopogon trifasciatus | July 12, 2006 |
| 2166065 | giant robber fly of Great Plains | Microstylum morosum | Adult male perched on seed head. July 12, 2006 |
| 1455084 | great crested grasshopper | Tropidolophus formosus | Male |
| 1326025 | white pine weevil | Pissodes strobi | |
| 1325016 | currant borer | Synanthedon tipuliformis | |
| 1326157 | prairie walkingstick | Diapheromera velii velii | Male and female. |
| 2166099 | prairie robber fly | Diogmites angustipennis | teneral adult; June 23, 2006 |
| 1326087 | cherry curculio | Anthonomus consors | Adult feeding on fruit |
| 1326078 | sunflower headclipping weevil | Haplorhynchites aeneus | Adult on flower head |
| 1326196 | hawthorn mealybug | Phenacoccus dearnessi | on Hawthorn. |
| 1326162 | plains lubber grasshopper | Brachystola magna | feeds on rangeland forbs. |
| 5369885 | blue horntail woodwasp | Sirex cyaneus | Adult female |
| 5369894 | black fern winter tick | Dermacentor nigrolineatus | Female with recently laid egg mass |
| 5393523 | blister beetle | Lytta stygica | This is an early-appearing species. |
| 5369919 | clearwing borer | Melittia gloriosa | Larvae develop on the tubers of the host plant, perennial cucurbits (buffalo gourd in Colorado) |
| 5369760 | tussock moths | Comparison of gypsy moth (Lymantria dispar) and douglas-fir tussock moth (Orygia pseudotsugata) | |
| 5369762 | tussock moths | Dasychira spp. | Comparison of 3 Dasychira species found in Colorado; Pine tussock moth (Dasychira grisefecta (Dyar)), (Dasychira mescalera Ferguson), Variable tussock moth (Dasychira vagans) |
| 5369759 | tussock moths | Comparison of gypsy moth (Lymantria dispar) and a native Colorado species of lymantriid moth (Dasychira mescalera Ferguson) occasionally caught in gypsy moth traps | |
| 5209060 | billbugs | Sphenophorus spp. | Comparison of the two species for size difference. The bluegrass billbug (S. parvulus) is on the left; the Rocky Mountain billbug (S. cicastristriatus) on the right |
| 1476078 | hackberry nipplegall maker | Pachypsylla celtidismamma | newly emerged adult next to gall |
| 1476079 | hackberry nipplegall maker | Pachypsylla celtidismamma | newly emerged adult next to gall |
| 1476083 | potato/tomato psyllid | Paratrioza cockerelli | |
| 1476084 | boxelder aphid | Periphyllus negundinis | |
| 1476092 | cooley spruce gall adelgid | Adelges cooleyi | mature female on douglas fir needles |
| 1476097 | pear sawfly | Caliroa cerasi | |
| 1476112 | emperor scorpion | Pandinus imperator | mother carrying young on back |
| 1476128 | varied carpet beetle | Anthrenus verbasci | |
| 5369892 | western drywood termite | Incisitermes minor | Alate reproductives |
| 5369795 | sidewalk tiger beetle | Cicindela punctulata | Adult, green phase |
| 5369804 | camel cricket | Ceuthophilus spp. | Adult female |
| 5369793 | sidewalk tiger beetle | Cicindela punctulata | Mating pair |
| 5369903 | bumble bees | Bombus spp. | Series of bees showing range of size. The largest is an overwintered queen. |
| 5369810 | golden paper wasp | Polistes aurifer | Late season (October 13) adult. At the time mating activities were noted and adults were moving to winter shelter. |
| 5369874 | flatheaded pine borer | Phaenops gentilis | A small series collected in Colorado showing range in coloration |
| 5369809 | tulip bulb aphid | Dysaphis tulipae | Heavy infestation on newly emerged iris. The insects overwintered on the belowground bulbs. |
| 5369792 | sidewalk tiger beetle | Cicindela punctulata | Adults mating, brown and green phase |
| 5369867 | eastern yellowjacket | Vespula maculifrons | Late season adult (October 30, 2008). |
| 5369871 | cluster fly | Pollenia rudis | Adult sunning on west wall of home in fall |
| 5369883 | blue horntail woodwasp | Sirex cyaneus | Adult female |
| 5369900 | acorn and nut weevils | Curculio spp. | Adult. Photographed July 7, 2006 |
| 5369937 | potato/tomato psyllid | Paratrioza cockerelli | Nymphs, adults, and cast skins |
| 5369939 | potato/tomato psyllid | Paratrioza cockerelli | Adult on tomato fruit |
| 5369944 | whitespotted sawyer | Monochamus scutellatus | Male and female that were mating on pile of recently cut lodgepole pine |
| 5369870 | cluster fly | Pollenia rudis | Adult sunning on west wall of home in fall |
| 5369821 | golden paper wasp | Polistes aurifer | Late season (October 13) adult. At the time mating activities were noted and adults were moving to winter shelter. |
| 5369877 | metalic wood-boring beetles | Buprestis (Cypriacis) spp. | A small series collected in Colorado showing range in coloration, patterning |
| 5369886 | blue horntail woodwasp | Sirex cyaneus | Adult female cleaning antennae |
| 5369868 | eastern yellowjacket | Vespula maculifrons | Late season adult (October 30, 2008). |
| 5369878 | metalic wood-boring beetles | Buprestis (Cypriacis) spp. | Pinned specimen collected in Colorado |
| 5369882 | metalic wood-boring beetles | Buprestis (Cypriacis) spp. | Pinned specimen collected in Colorado |
| 5369788 | golden paper wasp | Polistes aurifer | Late season (October 13) adult. At the time mating activities were noted and adults were moving to winter shelter. |
| 5369799 | golden paper wasp | Polistes aurifer | Shot of face showing markings of male. Late season (October 13) adult. At the time mating activities were noted and adults were moving to winter shelter. |
| 5369761 | pine tussock moth | Dasychira grisefacta | Pinned adult |
| 5422252 | Scoliid wasp | Campsomeris pilipes | adult searching for scarab prey |
| 5422180 | pole borer | Nerandra brunnea | |
| 5422253 | Scoliid wasp | Campsomeris pilipes | adult searching for scarab prey |
| 5422205 | eugenia psyllid | Trioza eugeniae | teneral adult |
| 5422187 | narcissus bulb fly | Merodon equestris | teneral adult |
| 5422186 | narcissus bulb fly | Merodon equestris | teneral adult |
| 5422146 | checkered melon beetle | Paranapiacaba tricincta | adults on muskmelon leaves |
| 5422269 | European elm flea weevil | Orchestes alni | |
| 5422270 | European elm flea weevil | Orchestes alni | |
| 5422246 | blue cactus borer | Melitara dentata | feeds on Pickly pear cactus (Opuntia spp.) |
| 5422243 | alfalfa looper | Autographa californica | |
| 5422244 | alfalfa looper | Autographa californica | |
| 5422245 | alfalfa looper | Autographa californica | |
| 5422134 | false chinch bug | Nysius raphanus | Adults massed on canola seedpod |
| 5422176 | small vinegar fly | Drosophila spp. | |
| 5422174 | small vinegar fly | Drosophila spp. | |
| 5422175 | small vinegar fly | Drosophila spp. | |
| 5422153 | common shore tiger beetle | Cicindela repanda | |
| 5422154 | common shore tiger beetle | Cicindela repanda | |
| 5422219 | common green bottle fly | Lucilia sericata | adults feeding on dog feces |
| 5422218 | common green bottle fly | Lucilia sericata | adults feeding on dog feces |
| 5422268 | European elm flea weevil | Orchestes alni | Mating pair and shothole feeding on newly emergent foliage |
| 5422210 | black grass bug | Irbisia spp. | |
| 5422211 | black grass bug | Irbisia spp. | |
| 5422192 | convergent lady beetle | Hippodamia convergens | Teneral adult. Second in a 3 part series, taken one hour after the previous picture. |
| 5422193 | convergent lady beetle | Hippodamia convergens | Teneral adult. Third in a 3 part series, taken one hour after previous picture. |
| 5422194 | sevenspotted lady beetle | Coccinella septempunctata | Recently emerged adult next to pupal skin. |
| 5422191 | convergent lady beetle | Hippodamia convergens | Teneral adult. First in a 3 part series. |
| 5422155 | festive tiger beetle | Cicindela scutellaris | |
| 5422156 | festive tiger beetle | Cicindela scutellaris | |
| 5422286 | jumping bean moth | Cydia deshaisiana | adult emerged from a bean |
| 5422283 | mule deer | Odocoileus hemionus | Mule deer bedded down in back yard during snow storm |
| 5422281 | tobacco budworm | Heliothis virescens | |
| 5422282 | mule deer | Odocoileus hemionus | Mule deer bedded down in back yard during snow storm. |
| 5422276 | army cutworm | Euxoa auxiliaris | |
| 5422275 | armyworm | Mythimna unipuncta | |
| 5024025 | long-horned beetle | Arhopalus asperatus | |
| 5406057 | walnut twig beetle | Pityophthorus juglandis | Adult beetles that emerged from two 18 inch black walnut logs. Walnut twig beetles continued to reinfest until cambium was completely consumed. A total of 23,040 beetles were recovered, approximately 36 per square inch of cambium area. |
| 5406051 | walnut twig beetle | Pityophthorus juglandis | Teneral adults. A Geosmithia sp.fungus is sporulating profusely in the pupal chambers and cover the beetles. |
| 5211022 | rose stem sawfly | Hartigia trimaculata | |
| 5211023 | rose stem sawfly | Hartigia trimaculata | |
| 2200046 | rose stem sawfly | Hartigia trimaculata | Adult present during late May oviposition period |
| 2200037 | rose stem sawfly | Hartigia trimaculata | Adult present during late May oviposition period |
| 2200057 | rose stem sawfly | Hartigia trimaculata | Adult present during late May oviposition period. |
| 5393647 | European mantid | Mantis religiosa | Feeding on redlegged grasshopper. The bull’s-eye markings at the base of the forelegs are a distinctive feature of this species |
| 5393646 | European mantid | Mantis religiosa | Feeding on redlegged grasshopper |
| 5393637 | lobster | Homarus americanus | Front view of lobster weighing about 2 lbs. |
| 5393624 | lobster | Homarus americanus | Close up of carapace and head |
| 5393626 | tobacco budworm | Heliothis virescens | |
| 5393618 | bollworm | Helicoverpa zea | Adult visiting flower |
| 5393613 | lobster | Homarus americanus | Side view of lobster weighing about 2 lbs. |
| 5393616 | European mantid | Mantis religiosa | Mating sequence - male is being consumed after mating. (Male is a brown morph.) |
| 5393617 | European mantid | Mantis religiosa | Mating sequence - male is being consumed after mating. (Male is a brown morph.) |
| 5393612 | European mantid | Mantis religiosa | Mating close-up. (Male is smaller and a brown morph.) |
| 5393614 | European mantid | Mantis religiosa | Mating pair. (Male is smaller and a brown morph.) |
| 5393615 | European mantid | Mantis religiosa | Mating sequence. (Male is on back an a bit out of picture.) |
| 5393610 | European mantid | Mantis religiosa | Mating sequence taken immediately before coupling. (Male is smaller and a brown morph.) |
| 5393611 | European mantid | Mantis religiosa | Mating pair. (Male is smaller and a brown morph.) |
| 5393605 | black and yellow mud dauber | Sceliphron caementaria | Araneus spp. spider prey from mud dauber nest cell |
| 5393603 | black and yellow mud dauber | Sceliphron caementaria | |
| 5393604 | black and yellow mud dauber | Sceliphron caementaria | |
| 5393602 | lobster | Homarus americanus | Side view of lobster weighing about 2 lbs. |
| 5393598 | clover leaf weevil | Hypera punctata | |
| 5393599 | boxelder bug | Boisea trivittata | mating pair |
| 5393597 | bluegrass billbug | Sphenophorus parvulus | |
| 5393592 | Colorado plains soldier beetle | Chauliognathus basalis | |
| 5393585 | black blister beetle | Epicauta pensylvanica | Male black blister beetle pursuing female for mating |
| 5393586 | black blister beetle | Epicauta pensylvanica | |
| 5393583 | Colorado plains soldier beetle | Chauliognathus basalis | Massed adults on rabbitbrush flowers |
| 5393582 | Colorado plains soldier beetle | Chauliognathus basalis | Mating pairs resting on flower head in early morning |
| 5393579 | argus tortoise beetle | Chelymorpha cassidea | Adult being attacked by Crematogaster sp. ants |
| 5393578 | hollyhock weevil | Rhopalapion longirostre | The female (right) is feeding in the developing seed pod. |
| 5393576 | sumac flea beetle | Blepharida rhois | |
| 5393571 | Colorado potato beetle | Leptinotarsa decemlineata | Mating pair of adults on buffalobur nightshade |
| 5393547 | flea beetle | Kuschelina barberi | |
| 5393524 | blister beetle | Lytta stygica | This is an early-appearing species. Photograph taken April 14, 2009 |
| 5393521 | Julid millipede | Cylindroiulus caeruleocinctus | |
| 5393522 | Julid millipede | Cylindroiulus caeruleocinctus | |
| 5393519 | Polydesmid millipede | Polydesmus spp. | |
| 5393516 | spotted snake millipede | Blaniulus guttulatus | |
| 5393517 | spotted snake millipede | Blaniulus guttulatus | |
| 5393513 | spotted snake millipede | Blaniulus guttulatus | Millipedes developing in overripe fruit |
| 5393514 | spotted snake millipede | Blaniulus guttulatus | |
| 5393512 | cluster fly | Pollenia pediculata | Pollenia pediculata is the most common “cluster fly” in Colorado |
| 5393510 | cluster fly | Pollenia pediculata | Pollenia pediculata is the most common “cluster fly” in Colorado |
| 5393511 | cluster fly | Pollenia pediculata | Pollenia pediculata is the most common “cluster fly” in Colorado |
| 5393508 | cluster fly | Pollenia pediculata | Pollenia pediculata is the most common “cluster fly” in Colorado |
| 5393509 | cluster fly | Pollenia pediculata | Close-up of head to show the curly golden hairs that are distinctive of Pollenia spp. |
| 5393469 | honey bee | Apis mellifera | Bumble bee Bombus huntii and honey bee visiting the same flower |
| 5393468 | bumble bee | Bombus huntii | Bumble bee and honey bee Apis mellifera visiting the same flower |
| 5393458 | two-spotted melyrid | Collops bipunctatus | |
| 5393460 | Sphecid wasp | Pseneo punctatus | This wasp nests in soil and frequently burrows along the edge of potted plants. When plants are wintered indoors these wasps emerge within buildings in spring. |
| 5393449 | Sphecid wasp | Pseneo punctatus | This wasp nests in soil and frequently burrows along the edge of potted plants. When plants are wintered indoors these wasps emerge within buildings in spring. |
| 5393451 | splendid tiger beetle | Cicindela splendida | |
| 5188050 | pallid-winged grasshopper | Trimerotropis pallidipennis | Adult, side view |
| 5188051 | pallid-winged grasshopper | Trimerotropis pallidipennis | Adult, top view |
| 1455086 | green bird grasshopper | Schistocerca shoshone | |
| 5187090 | Apache grasshopper | Hippopedon capito | |
| 5187091 | Apache grasshopper | Hippopedon capito | |
| 5210060 | Montana band-winged grasshopper | Xanthippus montanus | |
| 1243140 | asparagus aphid | Brachycorynella asparagi | Wingless adult on asparagus. |
| 5382157 | Tachinid fly | Paradejeania rutilioides | Adult visiting flower |
| 5382158 | Tachinid fly | Paradejeania rutilioides | Adult visiting flower |
| 5382089 | cicada | Tibicen dealbata | Close-up of head |
| 5382084 | giant grassland cicada | Tibicen dorsata | Adult, side view |
| 5382033 | cicada | Platypedia putnami | |
| 5382159 | duff millipedes | Polyxenus spp. | Close up of duff millipede |
| 5382187 | walnut twig beetle | Pityophthorus juglandis | Adults, including teneral adult, exposed from under bark. |
| 5382175 | banded elm bark beetle | Scolytus schevyrewi | Adult at entrance of gallery |
| 5382176 | banded elm bark beetle | Scolytus schevyrewi | Pair mating at entrance of gallery. |
| 5382165 | mountain pine beetle | Dendroctonus ponderosae | Adult killed in “pitch-out” of ponderosa pine. |
| 5382156 | Tachinid fly | Adejeania vexatrix | Adult visiting flower |
| 5382161 | cherry curculio | Anthonomus consors | Close-up of adult |
| 5382162 | mountain pine beetle | Dendroctonus ponderosae | Female in gallery with eggs |
| 5382153 | hackberry emperor | Asterocampa celtis | Life stage |
| 5382126 | scarab beetle | Phyllophaga falsa | Adults piled on ground following massive flight in mid-August, 2008 |
| 5382127 | scarab beetle | Phyllophaga falsa | Adults piled on ground following massive flight in mid-August, 2008 |
| 5382128 | scarab beetle | Phyllophaga falsa | Adult tunneling around base of pinyon following emergence flights. |
| 5382110 | Virginia metallic tiger beetle | Megacephala virginica | Photographed July 12, 2006 |
| 5382100 | flatheaded borer | Poecilonota thureura | Adult observed on willow bark, June 12, 2008. |
| 5382101 | flatheaded borer | Poecilonota thureura | Stacked pile of males attempting to mate with female. |
| 5382098 | flatheaded borer | Poecilonota thureura | Adult observed on willow bark, June 12, 2008. |
| 5382099 | flatheaded borer | Poecilonota thureura | Adult observed on willow bark, June 12, 2008. |
| 5382074 | small milkweed bug | Lygaeus kalmii | Adults massed on seeds of newly opened milkweed pod |
| 5382072 | small milkweed bug | Lygaeus kalmii | Mating pairs on milkweed pod |
| 5382073 | small milkweed bug | Lygaeus kalmii | Mating pairs on milkweed pod |
| 5382071 | large milkweed bug | Oncopeltus fasciatus | Adult with lighter coloration |
| 5382069 | large milkweed bug | Oncopeltus fasciatus | Adult with normal coloration |
| 5382065 | poplar-and-willow borer | Cryptorhynchus lapathi | Mating pair. Photograph taken September 3. |
| 5382060 | clown beetle | Eleodes hispilabris | Pair of adults feeding on a road killed grasshopper. |
| 5382061 | clown beetle | Eleodes hispilabris | Adult feeding on a road killed lizard. |
| 5382058 | clown beetle | Eleodes hispilabris | Adult with abdomen raised in defensive posture. |
| 5382036 | clown beetle | Eleodes hispilabris | Adult feeding on a road killed cricket. Another darkling beetle, possibly Eleodes fusiformis, is next to it, also feeding. |
| 5382027 | wasp mantidfly | Climaciella brunnea | Adult feeding on black blowfly prey |
| 5382028 | wasp mantidfly | Climaciella brunnea | Adult feeding (lower right) on black blowfly prey. Two Polistes wasps that it mimics are in this picture to the left. All were found on a willow limb with seeping wetwood. Photograph taken June 12, 2008. |
| 5382029 | wasp mantidfly | Climaciella brunnea | Two adults are feeding (left) on black blowfly prey. Two Polistes wasps (probably Polistes apachus) that it mimics are in this picture to the right. All were found on a willow limb with seeping wetwood. Photograph taken June 12, 2008. |
| 5364307 | giant wolf spider | Hogna carolinensis | |
| 5188026 | black spiny-tailed iguana | Ctenosaura similis | Female feeding. Photograph taken at Punta Allen, Quintana Roo, Mexico. |
| 1326049 | leafcutter bee | Megachile spp. | Adult cutting leaf fragment of lilac in St. Paul, Minnesota |
| 1326044 | Long-horned bees | Melissodes spp. | Native bee that pollinates cucurbits |
| 5303050 | Long-horned bees | Melissodes spp. | Adult foraging at pumpkin flower. Two spotted cucumber beetles are further into the flower. |
| 5303051 | Long-horned bees | Melissodes spp. | Adult foraging at pumpkin flower. A spotted cucumber beetles is along the side of the flower. |
| 5303052 | Long-horned bees | Melissodes spp. | Two adults foraging at pumpkin flower. They are sharing the flower with two spotted cucumber beetles. |
| 5303053 | Long-horned bees | Melissodes spp. | Adult foraging at pumpkin flower. It is sharing the flower with two spotted cucumber beetles |
| 5382160 | common desert centipede | Scolopendra polymorpha | |
| 5305006 | ground beetle | Euryderus grossus | Adult. One of the few ground beetles that regularly climbs foliage. |
| 5382118 | western tent caterpillar | Malacosoma californicum | |
| 5382119 | western tent caterpillar | Malacosoma californicum | |
| 5382117 | western tent caterpillar | Malacosoma californicum | |
| 5382057 | clown beetle | Eleodes hispilabris | |
| 5210069 | Colorado plains soldier beetle | Chauliognathus basalis | |
| 5369731 | blister neetle | Zonitis sayi | |
| 5305004 | honeylocust leafhopper | Macropsis fumipennis | accompanied by plant bug (Plagiognathus |
| 5188046 | long-horned beetle | Eburia porulosa | Adult emerged from year-old timber |
| 5367182 | currant borer | Synanthedon tipuliformis | |
| 5369785 | stilt bug | Jalysus wickhami | Adult |
| 5369901 | Virginia wood cockroach | Parcoblatta virginica | Caught at light trap at fort Sill, Oklahoma. July, 15 2007. |
| 5369879 | flatheaded cone borer | Chrysophana placida | A small series collected in Colorado showing range in coloration, patterning |
| 5369881 | green metalic wood borer | Buprestis confluenta | Pinned specimen collected in Colorado |
| 5369876 | flatheaded pine borer | Phaenops gentilis | Typical green form adult |
| 5369875 | flatheaded pine borer | Phaenops gentilis | Typical green form adult |
| 5369832 | picture-winged fly | Ceroxys latiuscula | A common indoor invader of homes in early fall |
| 5369806 | lupine aphid | Macrosiphum albifrons | |
| 5369798 | large grassland tiger beetle | Cicindela obsoleta | Adult |
| 5369797 | beautiful tiger beetle | Cicindela pulchra | Adult |
| 5369789 | tarantula hawk | Pepsis angustimarginata | Adult female |
| 5369790 | tarantula hawk | Pepsis mildei | Adult male |
| 5369786 | scentless plant bugs | Aufeius spp. | Adult |
| 5369783 | ornate checkered beetle | Trichodes ornatus | Adult |
| 5369784 | ornate checkered beetle | Trichodes ornatus | Adult |
| 5369781 | Largus bug | Largus succinctus | Adult |
| 5369782 | Coreid bug | Chariesterus antennator | Adult |
| 5369780 | lupine bug | Megalotomus quinquespinosus | Adult and late instar nymph |
| 5369779 | lupine bug | Megalotomus quinquespinosus | Adult |
| 5369771 | stink bug | Chlorochroa faceta | Adult |
| 5369773 | plant bug | Coquillettia insignis | Adult |
| 5369758 | tussock moth | Dasychira mescalera | Pinned adult |
| 5369945 | bollworm | Helicoverpa zea | Adult visiting flower |
| 5369938 | potato/tomato psyllid | Paratrioza cockerelli | Nymphs, adults, and cast skins |
| 5369745 | blues | Plebejus spp. | Adult female |
| 5369893 | white fern winter tick | Dermacentor albipictus | Engorged adult female |
| 5369890 | hollyhock weevil | Rhopalapion longirostre | Two males and a female (longer proboscis) |
| 5369884 | blue horntail woodwasp | Sirex cyaneus | Adult female |
| 5369823 | redlegged grasshopper | Melanoplus femurrubrum | |
| 5369815 | European mantid | Mantis religiosa | Adult male, brown phase |
| 5369796 | sidewalk tiger beetle | Cicindela punctulata | Adult aggregation near edge of small pool. |
| 5369794 | sidewalk tiger beetle | Cicindela punctulata | Mating pair joined by a second male |
| 5369791 | sidewalk tiger beetle | Cicindela punctulata | Adult, brown phase |
| 5369787 | scentless plant bug | Arhyssus parvicornis | Adult |
| 5369778 | small milkweed bug | Lygaeus kalmii | Adult |
| 5369776 | black grass bug | Irbisia spp. | Adult |
| 5369775 | black grass bug | Labops hesperius | Adult |
| 5369774 | black grass bug | Labops hesperius | Adult |
| 5369772 | conchuela | Chlorochroa ligata | Adult, red phase |
| 5369754 | blue beetle | Gibbifer californicus | Adult |
| 5369747 | variegated fritillary | Euptoieta claudia | Adult visiting flowers |
| 5369746 | blues | Plebejus spp. | Adult male |
| 5369743 | blues | Plebejus spp. | Adult female |
| 5369742 | Colorado potato beetle | Leptinotarsa decemlineata | Adult |
| 5369741 | harlequin bug | Murgantia histrionica | Adult |
| 5364291 | tarantula hawks | Pepsis spp. | Tarantula hawk (Pepsis sp.), a pompilid wasp predator of tarantulas. |
| 5364277 | robber fly | Microstylum galactodes | Close view of the robber fly, Microstylum galactodes. |
| 5364280 | Sphecid wasp | Ammophila spp. | A hunting wasp (Ammophila sp.) carrying its prey, a sphinx moth caterpillar. |
| 5364292 | velvet ants | Dasymutilla spp. | An adult velvet ant (Dasymutilla sp.) on a flower. |
| 5364253 | eye-spotted lady beetle | Anatis mali | The adult of the eye-spotted lady beetle (Anatis mali). |
| 5364327 | grasshoppers | A groupl of grasshoppers resting on vegetation. | |
| 5364326 | migratory grasshopper | Melanoplus sanguinipes | Adult migratory grasshopper (Melanoplus sanguinipes). |
| 5364325 | Carolina grasshopper | Dissosteira carolina | Adult Carolina grasshopper (Dissosteira carolina). |
| 5364324 | plains lubber grasshopper | Brachystola magna | Plains lubber grasshopper (Brachystola magna) resting on a leaf. |
| 5364322 | painted lady butterfly | Vanessa cardui | Painted lady butterfly (Vanessa cardui) at rest on a flower. |
| 5364313 | whitebacked garden spider | Argiope trifasciata | Ventral view of the banded garden spider (Argiope trifasciata) with its prey. |
| 5364312 | crab spider | Crab spider of undetermined species. | |
| 5364311 | cat-faced spider | Araneus gemmoides | The cat-faced (monkey-faced) spider, Araneus gemmoides. |
| 5364310 | crab spider | Crab spider of undetermined species. | |
| 5364309 | funnel web spider | Agelenopsis spp. | Funnel web spider (Agelenopsis sp.) sitting at the entrance of its funnel web. |
| 5364308 | nursery web spider | Pisaurina mira | Nursery web spider carrying her egg sac. |
| 5364306 | burrowing wolf spider | Geolycosa spp. | Burrowing wolf spider (Geolycosa sp.). |
| 5364305 | common green darner | Anax junius | Adult of the common green darner dragonfly, Anax junius. |
| 5364304 | bluet damselflies | Enallagma spp. | Adult bluet damselfly (Enallagma sp.). |
| 5364297 | European mantid | Mantis religiosa | Adult European mantid (Mantis religiosa). |
| 5364296 | European mantid | Mantis religiosa | Adult European mantid (Mantis religiosa) eating a grasshopper. |
| 5364278 | robber flies | A mating pair of predatory robber flies (Diptera: Asilidae). | |
| 5364274 | long-legged fly | Adult long-legged fly (Diptera: Dolichopodidae), which preys on other small insects. | |
| 5364267 | syrphid or flower flies | Adult syrphid fly resting on a leaf. | |
| 5364266 | syrphid or flower flies | Adult syrphid fly on a flower. | |
| 5364265 | syrphid or flower flies | Adult syrphid fly. | |
| 5364263 | wasp mantidfly | Climaciella brunnea | Adult western mantidfly (Climaciella brunnea). |
| 5364262 | common antlions | Brachynemurus spp. | Adult antlion (Brachynemurus sp.) resting on a plant. |
| 5364259 | common antlions | Brachynemurus spp. | Adult antlion (Brachynemurus sp.). |
| 5364250 | lady beetle | Teneral lady beetle, emerging from its pupa. | |
| 5364249 | convergent lady beetle | Hippodamia convergens | Recently molted convergent lady beetle (Hippodamia convergens), with pupal skins nearby. |
| 5364241 | twospotted stink bug | Perillus bioculatus | Mating pair of twospotted stink bugs (Perillus bioculatus), showing dimorphism. |
| 5364141 | European earwig | Forficula auricularia | Adult male and female European earwigs (Forficula auricularia) on a flower. |
| 5364138 | green peach aphid | Myzus persicae | Adult green peach aphid (Myzus persicae) with deformed wings. |
| 5364126 | harlequin bug | Murgantia histrionica | Adult harlequin bug (Murgantia histrionica). |
| 5364125 | pale legume bug | Lygus elisus | Adult of the pale legume bug (Lygus elisus), a pest of many species, primarily of plants in the cabbage family. |
| 5364122 | squash bug | Anasa tristis | Mating pair of squash bugs (Anasa tristis). |
| 5364121 | sugar beet root maggot | Tetanops myopaeformis | Adults of the sugarbeet root maggot (Tetanops myopaeformis). |
| 5364120 | western black flea beetle | Phyllotreta pusilla | Western black flea beetle (Phyllotreta pusilla) adults and the damage they can cause. |
| 5364110 | Banks grass mite | Oligonychus pratensis | Banks grass mites,Oligonychus pratensis, dispersing from tip of a blade of grass. |
| 5364093 | seed bugs | Nysius spp. | False chinch bugs (Nysius sp.) covering canola seed pods. |
| 5360036 | sunflower headclipping weevil | Haplorhynchites aeneus | Adult sunflower headclipper weevil (Haplorhynchites aeneus). |
| 5360500 | clover looper | Caenurgina crassiuscula | Adult clover looper moth (Caenurgina crassiuscula) on a lawn. |
| 5364116 | three-lined Lema beetle | Lema trivittata | Adult threelined potato beetle (Lema daturaphila, formerly known as Lema trilineata) on a potato leaf. |
| 5364243 | damsel bugs | Nabis spp. | Adult damsel bug (Nabis sp.), a predator of other insect species, on a potato leaf. |
| 5364137 | potato/tomato psyllid | Paratrioza cockerelli | Teneral adult potato psyllid (Bactericera cockerelli). |
| 5364133 | potato/tomato psyllid | Paratrioza cockerelli | Adult potato psyllid (Bactericera cockerelli). |
| 5305005 | digger bees | Diadasia spp. | Adult foraging at sunflower. Otero County, Colorado |
| 5304082 | plant bug | Plagiognathus spp. | Species primarily associated with flowers of honeylocust |
| 5305007 | robber flies | Laphystia spp. | Lincoln County, Colorado |
| 5305008 | robber flies | Laphystia spp. | Lincoln County, Colorado |
| 5305009 | clerid beetle | Enoclerus zonatus | One of the largest clerid beetles. Found on yucca and shrubs in shortgrass prairie areas of eastern Colorado |
| 5305010 | clerid beetle | Enoclerus zonatus | One of the largest clerid beetles. Found on yucca and shrubs in shortgrass prairie areas of eastern Colorado |
| 5305011 | leafcutter bee | Megachile spp. | Adult in process of collecting pollen |
| 5305012 | leafcutter bee | Megachile spp. | Adult in process of collecting pollen |
| 5305013 | predatory stink bug | Podisus placidus | Mating pair. Female is feeding on larva of cottonwood leaf beetle |
| 5305015 | bed bug | Cimex lectularius | Adult on arm |
| 5305016 | apple flea beetle | Altica foliaceae | Adult with purplish coloration |
| 5305017 | squash bug | Anasa tristis | Adult with recently laid egg mass |
| 5305018 | leaf beetle | Zygogramma conjuncta | |
| 5305019 | blister beetle | Lytta biguttata | |
| 5305020 | blister beetle | Nemognatha nigripennis | |
| 5305021 | blister beetle | Nemognatha nigripennis | |
| 5305022 | cherry curculio | Anthonomus consors | |
| 5305023 | blister beetle | Nemognatha lurida | |
| 5305024 | leaf beetle | Zygogramma conjuncta | |
| 5305026 | bee assassin bug | Apiomerus spissipes | Mating pair |
| 5305029 | sunflower beetle | Zygogramma exclamationis | |
| 5305030 | sunflower beetle | Zygogramma exclamationis | |
| 5305031 | green iridescent weevil | Haplorhynchites eximius | |
| 5305032 | green iridescent weevil | Haplorhynchites eximius | |
| 5305033 | robust camel cricket | Udeopsylla robusta | |
| 5305034 | western boxelder bug | Boisea rubrolineata | |
| 5305037 | onion thrips | Thrips tabaci | Crawling on bare arm |
| 5305039 | western yellowjacket | Vespula pensylvanica | Adult chewing on leftover chicken |
| 5305040 | western yellowjacket | Vespula pensylvanica | Adults massed on leftover chicken |
| 5305041 | yellow spotted millipede | Harpaphe haydeniana | Redwood forest south of Crescent City, California |
| 5305042 | yellow spotted millipede | Harpaphe haydeniana | Redwood forest south of Crescent City, California |
| 5305043 | jumping bristletail | Found in home in San Francisco, California | |
| 5305044 | jumping bristletail | Found in home in San Francisco, California | |
| 5305045 | Jerusalem cricket | Stenopelmatus spp. | Adult. Found in back yard in San Francisco, California |
| 5305046 | Jerusalem cricket | Stenopelmatus spp. | Adult. Found in back yard in San Francisco, California |
| 5210050 | darkling beetle | Bothrotes plumbeus | |
| 5210051 | darkling beetle | Bothrotes plumbeus | |
| 5211027 | plant bug | Melanotrichus coagulatus | Minor flecking wounds on onion are produced by feeding |
| 5304009 | paper snails | Physa spp. | Common snails associated with water garden features |
| 5304030 | Sphecid wasp | Cerceris spp. | Mass aggregation feeding at flowers |
| 5304045 | blister beetle | Epicauta stuarti | |
| 5304046 | blister beetle | Epicauta stuarti | |
| 5304047 | long-horned beetle | Crossidius discoideus | Adult feeding at rabbitbrush flowers |
| 5304048 | long-horned beetle | Crossidius discoideus | Adult feeding at rabbitbrush flowers |
| 5304050 | painted tiger moth | Arachnis picta | |
| 5304062 | cuckoo bees | Epeolus spp. | |
| 5304063 | cuckoo bees | Epeolus spp. | |
| 5304064 | cotton square borer | Strymon melinus | |
| 5304066 | cactus longhorn beetle | Moneilema armatum | |
| 5304093 | plant bug | Plagiognathus spp. | Species primarily associated with flowers of honeylocust |
| 5304094 | alfalfa weevil | Hypera postica | |
| 5304095 | alfalfa weevil | Hypera postica | |
| 5304096 | rough harvester ant | Pogonomyrmex rugosus | Workers at entrance |
| 5304097 | rough harvester ant | Pogonomyrmex rugosus | Workers at entrance |
| 5304098 | western harvester ant | Pogonomyrmex occidentalis | Workers at entrance |
| 5304099 | spotted cucumber beetle | Diabrotica undecimpunctata howardi | |
| 5304100 | pale legume bug | Lygus elisus | |
| 5305001 | pale legume bug | Lygus elisus | |
| 5305002 | pale legume bug | Lygus elisus | |
| 5305003 | digger bees | Diadasia spp. | Adult foraging at sunflower. Otero County, Colorado |
| 5211003 | hide beetle | Omorgus suberosus | Adult feeding on fresh scat (probably coyote) |
| 5211004 | hide beetle | Omorgus suberosus | Adult feeding on fresh scat (probably coyote) |
| 5304072 | musk thistle head weevil | Rhinocyllus conicus | |
| 5304074 | aerial yellowjacket | Dolichovespula arenaria | Overwintered queen chewing on weathered wood |
| 5304075 | apple flea beetle | Altica foliaceae | Adult showing metallic purplish coloration |
| 5304076 | apple flea beetle | Altica foliaceae | Adults and larva |
| 5304077 | apple flea beetle | Altica foliaceae | Normal green phase adult on primrose flower petal |
| 5304078 | apple flea beetle | Altica foliaceae | Adults of varying coloration |
| 5304011 | Mydas fly | Mydas phyllocerus | |
| 5304012 | Mydas fly | Mydas phyllocerus | |
| 5303088 | robber fly | Ospriocerus latipennis | |
| 5303099 | plains lubber grasshopper | Brachystola magna | Late instar female |
| 5304014 | thich-headed fly | Physoconops gracilis | |
| 5304015 | thich-headed fly | Physoconops gracilis | |
| 5304016 | thich-headed fly | Physoconops gracilis | |
| 5304085 | black and yellow mud dauber | Sceliphron caementaria | Adult collecting mud for nest construction |
| 5304086 | black and yellow mud dauber | Sceliphron caementaria | Adult collecting mud for nest construction |
| 5304091 | strawberry root weevil | Otiorhynchus ovatus | |
| 5304092 | strawberry root weevil | Otiorhynchus ovatus | |
| 5304019 | Oklahoma brown tarantula | Aphonopelma hentzi | Mature male crossing road. September 9, 2007 Otero County, Colorado |
| 5304023 | squash bug | Anasa tristis | Side view of feeding adult |
| 5304025 | differential grasshopper | Melanoplus differentialis | Side view of female |
| 5304026 | differential grasshopper | Melanoplus differentialis | Side view of female |
| 5304027 | differential grasshopper | Melanoplus differentialis | Side view of female |
| 5304004 | dark flower scarab | Euphoria sepulcralis | |
| 5304005 | wheat head armyworm | Faronta diffusa | |
| 5303091 | two-striped grasshopper | Melanoplus bivittatus | |
| 5303056 | squash bug | Anasa tristis | Mixed population of late instar nymphs with adult on top |
| 5303062 | paper wasp | Polistes dominula | Adult collecting honeydew from oak |
| 5303066 | checkered white | Pontia protodice | |
| 5303077 | checkered white | Pontia protodice | |
| 5303083 | columbine leafminer | Phytomyza aquilegivora | Adult and oviposition puncture wounds |
| 5303085 | hairy rove beetle | Creophilus maxillosus | |
| 5303086 | Tachinid fly | Cylindromyia fumipennis | |
| 5304013 | paper wasp | Polistes apachus | |
| 5304031 | honey bee | Apis mellifera | Adult collecting honeydew from oak lecanium scale |
| 5304034 | Canada thistle stem gall fly | Urophora cardui | |
| 5304035 | Canada thistle stem gall fly | Urophora cardui | |
| 5304039 | apple maggot | Rhagoletis pomonella | Adult on hawthorn fruit. Local strain (Larimer County, Colorado) is restricted to hawthorn. |
| 5304040 | differential grasshopper | Melanoplus differentialis | Side view of male |
| 5304057 | antlions | Myrmeleon spp. | Adult wings spread |
| 5304058 | antlions | Myrmeleon spp. | Adult close-up of head |
| 5304059 | antlions | Myrmeleon spp. | Adult top view |
| 5304060 | antlions | Myrmeleon spp. | Adult side view |
| 5304049 | army cutworm | Euxoa auxiliaris | Late summer adult returned to prairie and feeding at rabbitbrush |
| 5302098 | Tachinid fly | Cylindromyia fumipennis | |
| 5302099 | leafhopper | Cuerna septentrionalis | Adults massed on host plant |
| 5302100 | Tachinid fly | Cylindromyia fumipennis | |
| 5303001 | blue stink bug | Zicrona caeruleus | A predator of beetles |
| 5303002 | blue stink bug | Zicrona caeruleus | A predator of beetles |
| 5303003 | hairy pine borer | Tragosoma depsarium | |
| 5303006 | red turpentine beetle | Dendroctonus valens | |
| 5303007 | red turpentine beetle | Dendroctonus valens | |
| 5303008 | aerial yellowjacket | Dolichovespula arenaria | Worker visiting flower. Mendocino County, CA |
| 5303009 | forest yellowjacket | Vespula acadica | Worker visiting flower. Mendocino County, CA |
| 5303021 | European elm scale | Gossyparia spuria | Mature adult females packed into bark cracks |
| 5303026 | checkered melon beetle | Paranapiacaba tricincta | Adults massed on sunflower, a common adult host |
| 5303027 | black vine weevil | Otiorhynchus sulcatus | |
| 5303028 | European earwig | Forficula auricularia | |
| 5303031 | checkered melon beetle | Paranapiacaba tricincta | Beetles massing on foliage of native buffalogourd |
| 5303032 | plains lubber grasshopper | Brachystola magna | |
| 5303033 | false stable fly | Muscina stabulans | |
| 5303036 | common sootywing | Pholisora catullus | |
| 5303040 | green bird grasshopper | Schistocerca shoshone | |
| 5303041 | green bird grasshopper | Schistocerca shoshone | |
| 5303045 | flower spider | Misumena spp. | Feeding on western corn rootworm prey |
| 5303046 | spotted cucumber beetle | Diabrotica undecimpunctata howardi | Adults feeding on pumpkin flower |
| 5303047 | western corn rootworm | Diabrotica virgifera virgifera | |
| 5303048 | striped cucumber beetle | Acalymma vittatum | Mating pair |
| 5303049 | western corn rootworm | Diabrotica virgifera virgifera | Adults in pumpkin flower. A Xenoglossa sp. digger bee is also in the flower |
| 5302057 | Scoliid wasp | Scolia nobilitata tricincta | |
| 5302058 | Scoliid wasp | Scolia nobilitata tricincta | Adults massed on flower |
| 5302059 | red admiral | Vanessa atalanta | |
| 5302060 | hoary comma | Polygonia gracilis | |
| 5302061 | dark flower scarab | Euphoria sepulcralis | |
| 5302062 | dark flower scarab | Euphoria sepulcralis | |
| 5302063 | codling moth | Cydia pomonella | |
| 5302064 | codling moth | Cydia pomonella | Adults in pheromone trap |
| 5302067 | codling moth | Cydia pomonella | |
| 5302068 | codling moth | Cydia pomonella | |
| 5302069 | codling moth | Cydia pomonella | |
| 5302072 | hoary comma | Polygonia gracilis | Adult, side view of underwings |
| 5302073 | small wood nymph | Cercyonis oetus | Adult, side view of underwings |
| 5302075 | cow path tiger beetle | Cicindela purpurea cimarrona | |
| 5302076 | cow path tiger beetle | Cicindela purpurea cimarrona | |
| 5302077 | leafhopper | Cuerna septentrionalis | Adults massed on host plant |
| 5302079 | leaf beetle | Zygogramma disrupta | |
| 5302080 | honey bee | Apis mellifera | Adult workers foraging |
| 5302081 | honey bee | Apis mellifera | Adult worker foraging |
| 5302082 | leafcutter bee | Megachile spp. | Adult foraging for nectar in sweet pea flower |
| 5302083 | sunflower headclipping weevil | Haplorhynchites aeneus | |
| 5302086 | apple maggot | Rhagoletis pomonella | Adult captured on Pherocon AM trap, close-up |
| 5302087 | elm leaf beetle | Xanthogaleruca luteola | Summer adult |
| 5302088 | leafhopper | Cuerna septentrionalis | Adults massed on host plant |
| 5302089 | firefly | Pyropyga minuta | this is a common species in eastern Colorado yards/gardens and is does not produce light |
| 5302090 | firefly | Pyropyga minuta | Adult this is a common species in eastern Colorado yards/gardens and is does not produce light |
| 5302091 | blister beetle | Gnathium minimum | This is one of the smallest blister beetles found in Colorado |
| 5302092 | blister beetle | Gnathium minimum | This is one of the smallest blister beetles found in Colorado |
| 5302093 | diurnal firefly | Ellychnia corrusca | This is an early season species |
| 5302094 | diurnal firefly | Ellychnia corrusca | This is an early season species |
| 5302096 | blister beetle | Epicauta valida | Adult feedings on leaf fragment |
| 5302097 | leafhopper | Cuerna septentrionalis | Adults massed on yucca stem |
| 1475041 | grape mealybug | Pseudococcus maritimus | Close-up of adult with eggs. This was associated with a very heavy infestation of a street tree. |
| 1475055 | sunflower beetle | Zygogramma exclamationis | |
| 5083092 | lesser knapweed flower weevil | Larinus minutus | from recently established population. |
| 5025020 | Western paper wasp | Mischocyttarus flavitarsis | Female cleaning nest cell. |
| 1490006 | sunflower beetle | Zygogramma exclamationis | |
| 1490007 | false Japanese beetle | Strigoderma arboricola | Adult on potato leaf |
| 5007013 | currant borer | Synanthedon tipuliformis | May 15, 2006 |
| 5024075 | paper wasp | Polistes dominula | feeding on larvae of California pear sawfly |
| 5209048 | hide beetle | Omorgus suberosus | |
| 5209049 | scarab beetle | Phyllophaga lanceolata | Adult feeding. This is a an unusual species of Phyllophaga found in the shortgrass prairie. It is day active and flightless. |
| 5209050 | scarab beetle | Phyllophaga lanceolata | Adult female. This is a an unusual species of Phyllophaga found in the shortgrass prairie. It is day active and flightless. |
| 5209046 | flabellate grasshopper | Melanoplus occidentalis | |
| 5209047 | flabellate grasshopper | Melanoplus occidentalis | |
| 5209064 | Oklahoma brown tarantula | Aphonopelma hentzi | |
| 5209065 | brownspotted grasshopper | Psoloessa delicatula | Adult male with missing leg showing red at tip of abdomen May 15, 2007. Weld County, Colorado. |
| 5209066 | Oklahoma brown tarantula | Aphonopelma hentzi | |
| 5209074 | robber fly | Ospriocerus latipennis | |
| 5209076 | brownspotted grasshopper | Psoloessa delicatula | Adult male. May 15, 2007. Weld County, Colorado |
| 5209086 | eight-spotted longhorn | Typocerus octonotatus | |
| 5209087 | brownspotted grasshopper | Psoloessa delicatula | Teneral female. May 15, 2007. Weld County, Colorado |
| 5209088 | flower longhorn | Typocerus serraticornis | |
| 5209089 | flower longhorn | Typocerus serraticornis | |
| 5209090 | blister beetle | Linsleya convexa | |
| 5209091 | blister beetle | Linsleya convexa | Adult feeding |
| 5209092 | blister beetle | Lytta biguttata | |
| 5209093 | blister beetle | Lytta biguttata | |
| 5209094 | blister beetle | Nemognatha cribraria | |
| 5209020 | Appalachian salmonfly | Pteronarcys proteus | |
| 5209021 | common roachfly | Tallaperla maria | |
| 5209022 | common striped scorpion | Centruroides vittatus | Adult found under cow pie. Comanche National Grasslands, Colorado |
| 5209023 | common striped scorpion | Centruroides vittatus | Adult female, apparently pregnant |
| 5209032 | common roachfly | Tallaperla maria | |
| 5210070 | margined leatherwing | Chauliognathus marginatus | |
| 5210059 | brownspotted grasshopper | Psoloessa delicatula | |
| 5210047 | brownspotted grasshopper | Psoloessa delicatula | |
| 5210072 | blue-margined ground beetle | Pasimachus elongatus | |
| 5210073 | blue-margined ground beetle | Pasimachus elongatus | close up of head and mandibles |
| 5210074 | notched forestfly | Ostrocerca complexa | |
| 5210075 | yellow dung fly | Scathophaga stercoraria | Mass of adults on fresh cow dung |
| 5210076 | yellow dung fly | Scathophaga stercoraria | Mating ball on fresh cow dung |
| 5210077 | yellow dung fly | Scathophaga stercoraria | Mating ball on fresh cow dung |
| 5209054 | brownspotted grasshopper | Psoloessa delicatula | Adult male. May 15, 2007. Weld County, Colorado |
| 5209099 | widespreads stone | Perlesta decipiens | |
| 5209100 | widespreads stone | Perlesta decipiens | |
| 5210003 | owl fly | Ululodes quadrimaculatus | |
| 5210013 | horse fly | Tabanus abactor | |
| 5210015 | flabellate grasshopper | Melanoplus occidentalis | |
| 5210031 | Appalachian salmonfly | Pteronarcys proteus | Adult male. |
| 5210039 | checkered melon beetle | Paranapiacaba tricincta | Adults feeding on melon plant |
| 5210040 | checkered melon beetle | Paranapiacaba tricincta | |
| 5210042 | checkered melon beetle | Paranapiacaba tricincta | Adults feeding on melon plant |
| 5211005 | ground beetle | Pasimachus californicus | Mating pair of adults. The female has a masticated cutworm in her jaws. |
| 5211006 | ground beetle | Pasimachus californicus | Mating pair of adults. The female has a masticated cutworm in her jaws. |
| 5211008 | ground beetle | Pasimachus californicus | Mating pair of adults. The female has a masticated cutworm in her jaws. |
| 5210080 | orb weaver | Aculepeira packardi | |
| 5210081 | orb weaver | Aculepeira packardi | |
| 5210082 | orb weaver | Aculepeira packardi | |
| 5210083 | orb weaver | Aculepeira packardi | |
| 5210084 | red velvet mite | Trombidium spp. | |
| 5210085 | curved sallfly | Sweltsa lateralis | |
| 5211013 | leaf beetle | Zygogramma heterothecae | |
| 5211028 | common striped scorpion | Centruroides vittatus | Adult found under cow pie. Comanche National Grasslands, Colorado |
| 5210096 | curved sallfly | Sweltsa lateralis | |
| 5211021 | Sepsid flies | Sepsis spp. | Adults on fresh cow manure |
| 5210097 | satellite fly | Leucophora spp. | Adult outside burrow of Andrena bee host |
| 5210098 | satellite fly | Leucophora spp. | Adult outside burrow of Andrena bee host |
| 5211014 | elm leafminer | Kaliofenusa ulmi | Adults on leaves of host plant. |
| 5211015 | blister beetle | Epicauta parvula | |
| 5211016 | blister beetle | Epicauta parvula | |
| 5211017 | blister beetle | Epicauta parvula | |
| 5211018 | Ontario stripetail | Isoperla cotta | |
| 5211024 | lesser earwig | Labia minor | |
| 5211025 | army cutworm | Euxoa auxiliaris | Last instar larva |
| 5210086 | Andrenid bees | Andrena spp. | Female digging burrow |
| 5210088 | Andrenid bees | Andrena spp. | Female in flight |
| 5210089 | Andrenid bees | Andrena spp. | |
| 5210090 | Andrenid bees | Andrena spp. | Male attempting to mate with female |
| 5210091 | Andrenid bees | Andrena spp. | |
| 5210092 | Andrenid bees | Andrena spp. | Female guarding nest entrance |
| 5210093 | Andrenid bees | Andrena spp. | Female guarding nest entrance |
| 5210094 | Andrenid bees | Andrena spp. | |
| 5210095 | Andrenid bees | Andrena spp. | Male emerging after checking recent nest |
| 5211009 | dung beetle | Canthon imitator | Pair of adults with dung ball. The larger female is pushing and the smaller male is riding on the ball. |
| 5211010 | dung beetle | Canthon imitator | Pair of adults with dung ball. The larger female is pushing and the smaller male is riding on the ball. |
| 5211011 | dung beetle | Canthon imitator | Pair of adults with dung ball. The larger female is pushing and the smaller male is riding on the ball. |
| 5211012 | dung beetle | Canthon imitator | Pair of adults with dung ball. The larger female is pushing and the smaller male is riding on the ball. |
| 5211007 | Ontario stripetail | Isoperla cotta | Adult. Ulster County, NY |
| 5210045 | crimson salt flat tiger beetle | Cicindela fulgida | |
| 5210046 | crimson salt flat tiger beetle | Cicindela fulgida | |
| 5210033 | clown beetle | Eleodes hispilabris | |
| 5210034 | darkling beetle | Eleodes fusiformis | |
| 5210035 | plains false wireworm | Eleodes opacus | |
| 5210036 | darkling beetle | Eleodes nigrina | |
| 5210037 | darkling beetle | Eleodes extricata | |
| 5210038 | plains false wireworm | Eleodes opacus | |
| 5210022 | darkling beetle | Eleodes longicollis | |
| 5210023 | false wireworm beetle | Eleodes tricostata | |
| 5210024 | darkling beetle | Eleodes carbonaria | |
| 5210025 | darkling beetle | Eleodes extricata | |
| 5210026 | darkling beetle | Eleodes extricata | |
| 5210027 | darkling beetle | Eleodes pimelioides | |
| 5210028 | darkling beetle | Eleodes acuta | |
| 5210029 | darkling beetle | Eleodes obscura | |
| 5210030 | darkling beetle | Eleodes suturalis | |
| 5210005 | dobsonfly | Corydalus cornutus | |
| 5210006 | dobsonfly | Corydalus cornutus | |
| 5210007 | robber flies | Efferia spp. | Female ovipositing in flower head |
| 5210008 | robber flies | Efferia spp. | Female ovipositing in flower head |
| 5210010 | horse fly | Esenbeckia incisuralis | Adult female. This species is unusual in that the female does not feed on blood, only nectar and pollen. |
| 5210011 | horse fly | Esenbeckia incisuralis | Adult female. This species is unusual in that the female does not feed on blood, only nectar and pollen. |
| 5210012 | horse fly | Esenbeckia incisuralis | Adult female. This species is unusual in that the female does not feed on blood, only nectar and pollen. |
| 5210001 | long-horned beetle | Enaphalodes hispicornis | |
| 5210002 | murky ground beetle | Harpalus caliginosus | |
| 5210078 | hunting wasp | Pemphredon spp. | Male attempting to pull female from nest |
| 5210079 | hunting wasp | Pemphredon spp. | Male visiting burrow of female made in garden stake |
| 5210048 | rough stink bug | Brochymena sulcata | |
| 5210049 | darkling beetle | Eleodes longicollis | Adult in defensive posture |
| 5209061 | boxelder psyllid | Cacopsylla negundinis | |
| 5210071 | sevenspotted lady beetle | Coccinella septempunctata | Note unusual spotting (extra spot on one wing cover) |
| 5210052 | boreal stripetail | Isoperla transmarina | Adult. Franklin County, NY |
| 5210053 | clown beetle | Eleodes hispilabris | Adult in defensive posture |
| 5210054 | clown beetle | Eleodes hispilabris | Adult in defensive posture |
| 5210055 | speckled-winged rangeland grasshopper | Arphia conspersa | Female ovipositing |
| 5210056 | speckled-winged rangeland grasshopper | Arphia conspersa | Female ovipositing |
| 5210057 | greenstriped grasshopper | Chortophaga viridifasciata | Green phase female |
| 5210058 | western thatching ant | Formica obscuripes | Workers at nest entrance |
| 5210061 | greenstriped grasshopper | Chortophaga viridifasciata | Brown phase |
| 5210062 | velvet-striped grasshopper | Eritettix simplex | |
| 5210063 | boreal stripetail | Isoperla transmarina | |
| 5210064 | darkling beetle | Eleodes suturalis | Adult in defensive posture |
| 5210065 | Soft-winged flower beetle | Amecocerus senilis | Adults massed in spent flower |
| 5210066 | goldenrod solider beetle | Chauliognathus pensylvanicus | |
| 5210067 | goldenrod solider beetle | Chauliognathus pensylvanicus | Adults including mating pair |
| 5210068 | goldenrod solider beetle | Chauliognathus pensylvanicus | Mating pair |
| 5209095 | false wireworm beetle | Eleodes tricostata | Adult in defensive posture |
| 5209096 | clown beetle | Eleodes hispilabris | Adult feeding on fallen flower petal |
| 5209097 | scalloped false wireworm beetle | Embaphion muricata | Adult in found under cow dung |
| 5209098 | rough stink bug | Brochymena sulcata | |
| 5209077 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209078 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209079 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209080 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209081 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209082 | army cutworm | Euxoa auxiliaris | One of a series of six images showing a range wing patterning with this species |
| 5209083 | red shouldered stink bug | Thyanta custator | Adult showing 'red shoulder' characteristic |
| 5209084 | red shouldered stink bug | Thyanta custator | Adult showing not showing 'red shoulder' characteristic |
| 5209085 | twospotted stink bug | Perillus bioculatus | |
| 5209067 | sidewalk tiger beetle | Cicindela punctulata | |
| 5209068 | cream edged tiger beetle | Cicindela circumpicta | |
| 5209069 | cream edged tiger beetle | Cicindela circumpicta | |
| 5209070 | Hunting wasp | Ammophila zanthoptera | Adult with forage looper prey |
| 5209071 | southern fire ant | Solenopsis xyloni | Workers swarming forage looper prey |
| 5209072 | cactus longhorn beetle | Moneilema annulatum | |
| 5209051 | scarab beetle | Euphoria kernii | This species is commonly found at flowers. Adults are highly variable in coloration and patterning. |
| 5209052 | scarab beetle | Euphoria kernii | This species is commonly found at flowers, with thistles being among those favored. Adults are highly variable in coloration and patterning. |
| 5209053 | scarab beetle | Euphoria kernii | This species is commonly found at flowers, such as those of prickly pear cactus. Adults are highly variable in coloration and patterning. |
| 5209033 | bronze birch borer | Agrilus anxius | |
| 5209035 | ash borer | Podosesia syringae | Adult male approaching pheromone trap |
| 5209040 | imported currantworm | Nematus ribesii | |
| 5209041 | imported currantworm | Nematus ribesii | |
| 5209042 | imported currantworm | Nematus ribesii | |
| 5209043 | blue beetle | Gibbifer californicus | mating; May 17, 2007. Huerfano County, Colorado |
| 5209044 | spinach leafminer | Pegomya hyoscyami | |
| 5209024 | stable fly | Stomoxys calcitrans | |
| 5209025 | stable fly | Stomoxys calcitrans | |
| 5209026 | stable fly | Stomoxys calcitrans | |
| 5209055 | cactus dodger | Cacama valvata | Adult male singing. |
| 5209056 | cactus dodger | Cacama valvata | Adult male singing. |
| 5209057 | cactus longhorn beetle | Moneilema annulatum | |
| 5209058 | blister beetle | Epicauta valida | |
| 5209059 | blister beetle | Epicauta valida | |
| 5188066 | green dock beetle | Gastrophysa cyanea | Adult female |
| 5188068 | green dock beetle | Gastrophysa cyanea | Adult male |
| 5188069 | green dock beetle | Gastrophysa cyanea | Adult female |
| 5188070 | green dock beetle | Gastrophysa cyanea | Mating pair |
| 5188071 | green dock beetle | Gastrophysa cyanea | Mating pair |
| 5188072 | western conifer-seed bug | Leptoglossus occidentalis | Overwintered adult. Photograph taken April 21, 2007. Larimer County, Colorado |
| 5188081 | velvet-striped grasshopper | Eritettix simplex | Adult female |
| 5188083 | velvet-striped grasshopper | Eritettix simplex | Adult male |
| 5188084 | speckled-winged rangeland grasshopper | Arphia conspersa | |
| 5188086 | green fool grasshopper | Acrolophitus hirtipes | |
| 5188087 | green fool grasshopper | Acrolophitus hirtipes | |
| 5188052 | small milkweed bug | Lygaeus kalmii | Adult, mating pair |
| 5188053 | reds-hanked grasshopper | Xanthippus corallipes | Adult, top view |
| 5188054 | reds-hanked grasshopper | Xanthippus corallipes | Adult, top view |
| 5188055 | great crested grasshopper | Tropidolophus formosus | |
| 5188057 | great crested grasshopper | Tropidolophus formosus | |
| 5188058 | great crested grasshopper | Tropidolophus formosus | |
| 5188059 | great crested grasshopper | Tropidolophus formosus | |
| 5188060 | stonefly | Perlesta cranshawi | Adult. A newly described species from Virginia |
| 5188061 | stonefly | Perlesta cranshawi | Adult, underside. Newly described species from Virginia |
| 5188047 | speckled-winged rangeland grasshopper | Arphia conspersa | |
| 5188048 | speckled-winged rangeland grasshopper | Arphia conspersa | |
| 5188049 | speckled-winged rangeland grasshopper | Arphia conspersa | |
| 5188027 | black spiny-tailed iguana | Ctenosaura similis | Female feeding. Photograph taken at Punta Allen, Quintana Roo, Mexico |
| 5188030 | termites | Nasutitermes spp. | Soldiers and worker at break in mud tube. Photograph taken in Quintana Roo, Mexico. |
| 5188031 | termites | Nasutitermes spp. | Soldiers and workers at break in mud tube. Photograph taken in Quintana Roo, Mexico. |
| 5188033 | termites | Nasutitermes spp. | Worker. Photograph taken in Quintana Roo, Mexico. |
| 5188038 | arid land subterranean termite | Reticulitermes tibialis | Soldiers and workers exposed under log |
| 5188039 | arid land subterranean termite | Reticulitermes tibialis | Recently dealate reproductive |
| 5188040 | arid land subterranean termite | Reticulitermes tibialis | Recently dealate reproductive |
| 5188041 | greenstriped grasshopper | Chortophaga viridifasciata | Green form |
| 5188042 | greenstriped grasshopper | Chortophaga viridifasciata | Green form |
| 5188043 | greenstriped grasshopper | Chortophaga viridifasciata | Brown form |
| 5187092 | mourning cloak butterfly | Nymphalis antiopa | Overwintered adult |
| 5187093 | spider wasp | Psorthaspis sanguinea | Visiting flower. August 11, 2006. Bent County, Colorado |
| 5187094 | spider wasp | Psorthaspis sanguinea | Visiting flower. August 11, 2006. Bent County, Colorado |
| 5187095 | spider wasp | Psorthaspis sanguinea | Visiting flower. August 11, 2006. Bent County, Colorado |
| 5187096 | willow scale | Diaspidiotus gigas | Overwintered Instar II nymph |
| 5187097 | willow scale | Diaspidiotus gigas | Overwintered Instar II nymph |
| 5188006 | squash bug | Anasa tristis | Mating pair |
| 5188008 | squash bug | Anasa tristis | Late season mass on squash |
| 5188009 | squash bug | Anasa tristis | |
| 5188010 | western yellowjacket | Vespula pensylvanica | Overwintered queen |
| 5188011 | western yellowjacket | Vespula pensylvanica | Overwintered queen |
| 5188012 | horse guard wasp | Stictia signata | Male hovering during territorial defense. Photograph taken at Punta Allen, Quintana |
| 5188013 | prairie yellowjacket | Vespula atropilosa | Overwintered queen |
| 5188014 | false stable fly | Muscina stabulans | Adult active in spring |
| 5188015 | cooley spruce gall adelgid | Adelges cooleyi | Overwintered female. Photograph taken March 26, 2007 |
| 5188024 | black spiny-tailed iguana | Ctenosaura similis | Female. Photograph taken at Punta Allen, Quintana Roo, Mexico. |
| 5188025 | black spiny-tailed iguana | Ctenosaura similis | Male. Photograph taken at Punta Allen, Quintana Roo, Mexico. |
| 5187089 | bigheaded grasshopper | Aulocara elliotti | |
| 5083055 | bee fly | Dipalta serpentina | |
| 1475029 | spotted lady beetle | Coleomegilla maculata | feeding on eggs of Colorado potato beetle |
| 5000005 | long-horned beetle | Eburia spp. | July 14, 2006 |
| 2200098 | metalic wood-boring beetle | Agrilus macer | Adult resting on mesquite leaf. July 10, 2006 |
| 1475089 | giant wolf spider | Hogna carolinensis | |
| 1475090 | hobo spider | Tegenaria agrestis | female |
| 1475035 | Madagascar hissing cockroach | Gromphadorhina portentosa | In various stages of development including 2 that have recently molted. |
| 1475036 | Madagascar hissing cockroach | Gromphadorhina portentosa | |
| 1475037 | Madagascar hissing cockroach | Gromphadorhina portentosa | In various stages of development, including one that has recently molted but not sclerotized. |
| 1475038 | Madagascar hissing cockroach | Gromphadorhina portentosa | producing ootheca |
| 1475078 | lord leaf beetle | Coleothorpa dominicana | |
| 1475079 | snowberry clearwing | Hemaris diffinis | |
| 1475082 | Oklahoma brown tarantula | Aphonopelma hentzi | male |
| 1475083 | Oklahoma brown tarantula | Aphonopelma hentzi | male |
| 1475084 | Oklahoma brown tarantula | Aphonopelma hentzi | Adult female emerging from burrow. |
| 1475085 | Oklahoma brown tarantula | Aphonopelma hentzi | adult female, recently molted |
| 1475086 | flower spider | Misumena spp. | Male on back of female |
| 1475087 | whitebacked garden spider | Argiope trifasciata | Adult female, dorsal view |
| 1475088 | wolf spider | Hogna permunda | male |
| 1475039 | Mydas fly | Mydas luteipennis | Photo taken June 24, 1994 |
| 1475040 | bed bug | Hesperocimex coloradensis | A parasite of birds, this was found associated with woodpeckers that were nesting on a building. Some biting of humans was reported. |
| 1475056 | rabbitbrush beetle | Trirhabda nitidicollis | |
| 1475057 | mourning cloak butterfly | Nymphalis antiopa | |
| 1475062 | common antlions | Brachynemurus spp. | |
| 1475063 | common antlions | Brachynemurus spp. | |
| 1475065 | wasp mantidfly | Climaciella brunnea | |
| 1475068 | brown lacewings | Hemerobius spp. | feeding on rose aphids |
| 1475031 | eye-spotted lady beetle | Anatis mali | |
| 1475034 | Braconid wasp | Perilitus coccinellae | adult recently emerged from lady beetle host |
| 1475043 | pavement ant | Tetramorium caespitum | alate female |
| 1475044 | rose curculio | Merhynchites bicolor | |
| 1475050 | Mormon cricket | Anabrus simplex | dark form, male |
| 1475051 | Mormon cricket | Anabrus simplex | dark form, female |
| 1475052 | Stevenson's shieldback katydid | Pediodectes stevensoni | female |
| 1475053 | Stevenson's shieldback katydid | Pediodectes stevensoni | female |
| 1475054 | potato flea beetle | Epitrix cucumeris | damage to foliage |
| 1475001 | two-spotted lady beetle | Adalia bipunctata | |
| 1475002 | two-spotted lady beetle | Adalia bipunctata | teneral adult shortly after eclosion |
| 1475010 | banded elm bark beetle | Scolytus schevyrewi | adults and associated twig feeding |
| 1475011 | banded elm bark beetle | Scolytus schevyrewi | adults and associated twig feeding |
| 1475012 | palestriped flea beetle | Systena blanda | adults and associated feeding injury to common bean |
| 1475013 | palestriped flea beetle | Systena blanda | |
| 1475014 | American spider beetle | Mezium americanum | |
| 1475017 | hackberry nipplegall maker | Pachypsylla celtidismamma | adult recently emerged from gall and adjacent to nymphal skins |
| 1475018 | Sumac Psyllid | Calophya triozomima | summer form |
| 1475019 | Sumac Psyllid | Calophya triozomima | adult recently emerged from overwintered nymphal stage |
| 1475020 | Sumac Psyllid | Calophya triozomima | Adults recently emerged from overwintered nymphal stage. |
| 1475021 | lady beetle | Coccidophilus atronitens | Common predator of pine needle scale in Colorado |
| 1475022 | mealybug destroyer | Cryptolaemus montrouzieri | feeding on hawthorn mealybug following outdoor release |
| 1475023 | lady beetles | Scymnus spp. | feeding on cochineal scale. September 3, 2000. |
| 1475024 | two-spotted lady beetle | Adalia bipunctata | laying egg mass |
| 1475028 | two-spotted lady beetle | Adalia bipunctata | feeding amongst aphid colony |
| 5083066 | windscorpion | Hemerotrecha fruitana | found in a home in Colorado Springs, Colorado |
| 5083067 | wolf spider | Hogna permunda | male; side view |
| 5083068 | wolf spider | Hogna permunda | male; front view |
| 5083069 | wolf spider | Hogna permunda | male; front view |
| 5083034 | lizard beetle | Acropteroxys gracilis | |
| 5083078 | diamondback moth | Plutella xylostella | |
| 5084041 | stone centipede | Lithobius spp. | common species found in northeastern Colorado |
| 5084042 | stone centipede | Lithobius spp. | common species found in northeastern Colorado |
| 5084044 | giant wolf spider | Hogna carolinensis | close-up of head of male |
| 5084045 | giant wolf spider | Hogna carolinensis | male |
| 5084046 | giant wolf spider | Hogna carolinensis | male |
| 5084047 | giant wolf spider | Hogna carolinensis | top view of cephalothorax of adult male |
| 5082076 | cat-faced spider | Araneus gemmoides | female |
| 5082077 | cat-faced spider | Araneus gemmoides | female |
| 5082078 | western spotted orbweaver | Neoscona oaxacensis | female; moving towards western yellow jacket that is robbing honey bee prey captured in web. |
| 5082079 | western spotted orbweaver | Neoscona oaxacensis | female; unsuccessfully threatening yellow jacket that has been robbing honey bee prey captured in web. |
| 5082080 | western spotted orbweaver | Neoscona oaxacensis | female; with remnants of honey bee prey after western yellow jacket has robbed most of the captured bee. |
| 5083032 | leaf beetle | Zygogramma continua | |
| 5082092 | assassin bug | Zelus luridus | |
| 5084059 | cat-faced spider | Araneus gemmoides | female |
| 5084060 | threespotted flea beetle | Disonycha triangularis | |
| 5083056 | grasshopper bee flies | Systoechus spp. | |
| 5083057 | grasshopper bee flies | Systoechus spp. | |
| 5083058 | bee flies | Anastoechus spp. | |
| 5083059 | bee flies | Anastoechus spp. | |
| 5083060 | bee flies | Villa spp. | |
| 5083061 | bee fly | Villa alternata | |
| 5083062 | bee fly | Villa lateralis | |
| 5083064 | bee fly | Villa lateralis | |
| 5083043 | wedge-shaped beetles | Macrosiagon spp. | Photo taken July 14, 2006 |
| 5083045 | toad bug | Gelastocoris oculatus | Photo taken along stream on July 12, 2006 |
| 5083046 | Vespid wasp | Euodynerus crypticus | visiting pond edge |
| 5083047 | black dot spurge flea beetle | Aphthona nigriscutis | June 24, 2006 |
| 5083048 | black dot spurge flea beetle | Aphthona nigriscutis | June 24, 2006 |
| 5083049 | Knab's leaf beetle | Chrysomela knabi | showing cream color in early June |
| 5083050 | Western black widow | Latrodectus hesperus | female; fifth in a series of five to show range of red markings present in population collected in Ft. Collins, Colorado during October 2006. |
| 5083053 | Collops beetle | Collops punctatus | |
| 5083054 | Collops beetle | Collops punctatus | |
| 5084050 | hackberry blistergall psyllid | Pachypsylla celtidisvesiculum | near developing galls of hackberry nipple maker psyllid |
| 5084051 | Western black widow | Latrodectus hesperus | female |
| 5084052 | Western black widow | Latrodectus hesperus | one of series of five to show range of red markings present in population collected in Ft. Collins, Colorado during October 2006 |
| 5084053 | Western black widow | Latrodectus hesperus | female; second of series of five to show range of red markings present in population collected in Ft. Collins, Colorado during October 2006 |
| 5084054 | Western black widow | Latrodectus hesperus | female; third of series of five to show range of red markings present in population collected in Ft. Collins, Colorado during October 2006 |
| 5084055 | Western black widow | Latrodectus hesperus | female; fourth of series of five to show range of red markings present in population collected in Ft. Collins, Colorado during October 2006 |
| 5084056 | Western black widow | Latrodectus hesperus | male |
| 5084057 | Western black widow | Latrodectus hesperus | male and female |
| 5084058 | Western black widow | Latrodectus hesperus | Female with male just before insertion of the pedipalp into the epigyne. |
| 5083079 | metalic wood-boring beetle | Acmaeodera mixta | feeding on pollen |
| 5083080 | gold-pitted borer | Chrysobothris breviloba | |
| 5083081 | metalic wood-boring beetle | Agrilus lacustris | |
| 5083082 | metalic wood-boring beetle | Agrilus lacustris | |
| 5083084 | metalic wood-boring beetle | Agrilus cyanescens | |
| 5083085 | rose stem girdler | Agrilus cuprescens | |
| 5083086 | zebra mussel | Dreissena polymorpha | attached to submerged wood in Erie Canal, New York. October 11, 2006 |
| 5083088 | boxelder bug | Boisea trivittata | feeding on dead bluegrass billbug. October 10, 2006 |
| 5083089 | boxelder bug | Boisea trivittata | Mating pair found along stream near Ogden, Utah on June 4, 2006. |
| 5083090 | poplar twiggall fly | Hexomyza schineri | ovipositing in new growth |
| 5083091 | golden paper wasp | Polistes fuscatus aurifer | overwintering queen produced in late summer |
| 5083072 | cabbage white | Pieris rapae | mating |
| 5083077 | aphid | Acyrthosiphon lactucae | aphid killed by infection with Beauveria bassiana |
| 5083093 | lesser knapweed flower weevil | Larinus minutus | Mating pair from recently established population. |
| 5083095 | sunflower headclipping weevil | Haplorhynchites aeneus | |
| 5083096 | sunflower headclipping weevil | Haplorhynchites aeneus | |
| 5083097 | sunflower headclipping weevil | Haplorhynchites aeneus | |
| 5083098 | bluegrass billbug | Sphenophorus parvulus | overwintered adult walking on sidewalk in spring |
| 5083099 | rough strawberry root weevil | Otiorhynchus rugosostriatus | |
| 5083100 | musk thistle head weevil | Rhinocyllus conicus | mating |
| 5084001 | musk thistle head weevil | Rhinocyllus conicus | |
| 5084003 | alfalfa weevil | Hypera postica | in terminal growth |
| 5084006 | hollyhock weevil | Rhopalapion longirostre | Pile of males attempting to mate with female |
| 5084009 | three-lined Lema beetle | Lema trivittata | |
| 5084010 | three-lined Lema beetle | Lema trivittata | |
| 5084015 | Knab's leaf beetle | Chrysomela knabi | in spring |
| 5084017 | Knab's leaf beetle | Chrysomela knabi | |
| 5084018 | Knab's leaf beetle | Chrysomela knabi | in spring |
| 5084019 | Knab's leaf beetle | Chrysomela knabi | in late summer |
| 5084026 | cottonwood leaf beetle | Chrysomela scripta | in late summer |
| 5084028 | striped cucumber beetle | Acalymma vittatum | teneral adult |
| 5084030 | cottonwood leaf beetle | Chrysomela scripta | mating |
| 5084031 | prairie yellowjacket | Vespula atropilosa | overwintering queen exposed from under a board in late October |
| 5084033 | apple flea beetle | Altica foliaceae | crabapple |
| 5083035 | Tachinid fly | Adejeania vexatrix | |
| 5083038 | Great Plains camel cricket | Daihinia brevipes | |
| 5083039 | lace bugs | Teleonemia spp. | with nymph and tar spot droppings. Photo taken September 4, 2006 |
| 5083040 | lace bugs | Teleonemia spp. | photo taken September 4, 2006 |
| 5083033 | cottonwood leaf beetle | Chrysomela scripta | |
| 5082090 | spined assassin bug | Sinea diadema | adult feeding on ichneumonid wasp prey |
| 5082096 | leaf beetle | Coleothorpa axillaris | |
| 5082098 | short-horned leaf beetle | Coleothorpa vittigera | |
| 5083003 | western harvester ant | Pogonomyrmex occidentalis | Mating balls following swarm flight. Mating observed July 8, 2006 near an isolated cottonwood stand in Crowley County, Colorado |
| 5083004 | western harvester ant | Pogonomyrmex occidentalis | mating balls following swarm flight. Mating observed July 8, 2006 near an isolated cottonwood stand in Crowley County, Colorado |
| 5083005 | western harvester ant | Pogonomyrmex occidentalis | workers at nest entrance |
| 5083006 | western harvester ant | Pogonomyrmex occidentalis | workers at nest entrance |
| 5083007 | rough harvester ant | Pogonomyrmex rugosus | workers at nest entrance |
| 5083009 | rough harvester ant | Pogonomyrmex rugosus | workers at nest entrance |
| 5083010 | rough harvester ant | Pogonomyrmex rugosus | workers at nest entrance |
| 5083012 | eastern tiger swallowtail | Papilio glaucus | feeding at flower. Picture taken October 13, 2006 |
| 5083013 | European mantid | Mantis religiosa | female, green morph |
| 5083014 | European mantid | Mantis religiosa | female green morph; feeding on grasshopper |
| 5083015 | European mantid | Mantis religiosa | female, green morph; feeding on grasshopper |
| 5083016 | European mantid | Mantis religiosa | female, green morph; feeding on last fragment from a grasshopper. It took approximately 80 minutes to reduce the grasshopper to this size. |
| 5083017 | European mantid | Mantis religiosa | female, green morph; close up of head and prothorax in side view. |
| 5083018 | oak rough bulletgall wasp | Disholcaspis quercusmamma | shortly after emergence. Picture taken November 3, 2006 |
| 5083019 | oak rough bulletgall wasp | Disholcaspis quercusmamma | side view. Picture taken during period of emergence (November 3, 2006) |
| 5083020 | oak rough bulletgall wasp | Disholcaspis quercusmamma | side view. Picture taken during adult emergence (November 3, 2006) |
| 5083021 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Adult palpitating bud during examination prior to oviposition (November 3, 2006) |
| 5083024 | plant bug | Lopidea robiniae | |
| 5083025 | western tarnished plant bug | Lygus hesperus | |
| 5083026 | western tarnished plant bug | Lygus hesperus | |
| 5083027 | plant bug | Plagiognathus rubida | |
| 5083028 | plant bug | Polymerus rubroornatus | |
| 5024048 | Texas horned lizard | Phrynosoma cornutum | |
| 5024049 | Texas horned lizard | Phrynosoma cornutum | June 1, 2006 |
| 5024038 | twenty-spotted lady beetle | Psyllobora borealis | |
| 5024046 | transverse ladybeetle | Coccinella transversoguttata | |
| 5024057 | jumping bristletail | On lichen covered rocks. May 30, 2006 | |
| 5024058 | jumping bristletail | On lichen covered rocks. May 30, 2006 | |
| 5024059 | European earwig | Forficula auricularia | Female found in pit of a peach purchased in a supermarket. September 24, 2006 |
| 5024060 | squash bug | Anasa tristis | |
| 5024061 | European earwig | Forficula auricularia | Female found in pit of peach purchased in a supermarket. September 24, 2006 |
| 5024063 | paper wasp | Polistes dominula | Collecting honeydew secreted by peony bud |
| 5024064 | western conifer-seed bug | Leptoglossus occidentalis | |
| 5024065 | western conifer-seed bug | Leptoglossus occidentalis | |
| 5024066 | leaf-footed bug | Narnia snowi | |
| 5024067 | leaf-footed bug | Narnia snowi | |
| 5024069 | western leaf-footed bug | Leptoglossus clypealis | |
| 5024070 | western leaf-footed bug | Leptoglossus clypealis | |
| 5024071 | western leaf-footed bug | Leptoglossus clypealis | |
| 5024073 | boxelder bug | Boisea trivittata | on boxelder seeds |
| 5025021 | Western paper wasp | Mischocyttarus flavitarsis | Female |
| 5025022 | Western paper wasp | Mischocyttarus flavitarsis | emerging from nest cell |
| 5025024 | Western paper wasp | Mischocyttarus flavitarsis | foraging |
| 5025025 | Western paper wasp | Mischocyttarus flavitarsis | in flight |
| 5025026 | Western paper wasp | Mischocyttarus flavitarsis | collecting water at pool |
| 5025027 | paper wasp | Polistes apachus | foraging |
| 5025028 | golden paper wasp | Polistes fuscatus aurifer | Adult foraging on ooze from tree |
| 5025029 | golden paper wasp | Polistes fuscatus aurifer | foraging at rabbitbrush |
| 5025030 | paper wasp | Polistes dominula | Colony established on sweet corn tassel. August 20, 2006 |
| 5025031 | paper wasp | Polistes fuscatus | female |
| 5025032 | paper wasp | Polistes fuscatus | Male |
| 5025033 | Vespid wasp | Euodynerus crypticus | collecting water at pool |
| 5025034 | paper wasp | Polistes fuscatus | male |
| 5025035 | carpenter wasp | Monobia quadridens | sunning on leaf |
| 5025036 | boxelder bug | Boisea trivittata | mating pair |
| 5025037 | carpenter wasp | Monobia quadridens | preparing for flight |
| 5025038 | Mexican bean beetle | Epilachna varivestis | |
| 5025039 | Mexican bean beetle | Epilachna varivestis | |
| 5024040 | lady beetles | Hyperaspis spp. | feeding at leafy spurge flower |
| 5024045 | lady beetle | Coccinella monticola | |
| 5023098 | blister beetles | Nemognatha spp. | feeding at thistle |
| 5024076 | boxelder bug | Boisea trivittata | teneral adult |
| 5024077 | boxelder bug | Boisea trivittata | mixed life stages on base of trunk |
| 5024082 | house centipede | Scutigera coleoptrata | |
| 5024083 | house centipede | Scutigera coleoptrata | |
| 5024086 | paper wasp | Polistes dominula | Late season adult, a potential overwintering queen, basking on an oak leaf. |
| 5024095 | baldfaced hornet | Dolichovespula maculata | in flight |
| 5024096 | baldfaced hornet | Dolichovespula maculata | Collecting honeydew from galls of oak rough bulletgall wasp. |
| 5024097 | paper wasp | Polistes dominula | Feeding on honeydew secreted by gall produced by oak rough bulletgall wasp. |
| 5024098 | baldfaced hornet | Dolichovespula maculata | Collecting honeydew from galls of oak rough bulletgall wasp. |
| 5024099 | western yellowjacket | Vespula pensylvanica | sunning on leaf |
| 5024100 | western yellowjacket | Vespula pensylvanica | foraging on chicken liver |
| 5025001 | western yellowjacket | Vespula pensylvanica | chewing on chicken liver with calliphoris (Lucilia sp.) |
| 5025002 | western yellowjacket | Vespula pensylvanica | Colony entrance at back of stone wall. |
| 5025003 | western yellowjacket | Vespula pensylvanica | manipulating cut piece of chicken liver |
| 5025004 | western yellowjacket | Vespula pensylvanica | with bumble flower beetle (Euphoria inda) foraging on bacterial ooze on willow |
| 5025005 | aerial yellowjacket | Dolichovespula arenaria | Foraging at flowers in late summer. |
| 5025006 | aerial yellowjacket | Dolichovespula arenaria | Early season queen sunning on leaf. |
| 5025007 | prairie yellowjacket | Vespula atropilosa | foraging at rabbitbrush |
| 5025008 | paper wasp | Polistes dominula | Colony located in pipe supporting clothes lines. |
| 5025009 | prairie yellowjacket | Vespula atropilosa | foraging |
| 5025011 | prairie yellowjacket | Vespula atropilosa | capturing calliphorid fly attracted to chicken liver bait |
| 5025012 | paper wasp | Polistes carolina | adult collecting water from pool. |
| 5025013 | prairie yellowjacket | Vespula atropilosa | visiting bacterial ooze on a willow branch with golden paper wasp (Polistes fuscatus aurifer), bumble flower beetle (Euphoria inda) and Tragidion coquus |
| 5025014 | paper wasp | Polistes carolina | at colony entrance |
| 5025015 | paper wasp | Polistes carolina | in flight |
| 5025016 | paper wasp | Polistes metrica | |
| 5025017 | paper wasp | Polistes dominula | sunning on rocks at nest entrance |
| 5025018 | Western paper wasp | Mischocyttarus flavitarsis | Male |
| 5025019 | paper wasp | Polistes dominula | basking in early morning from a colony located in metal pipe of clothes line |
| 5023100 | blister beetles | Nemognatha spp. | feeding at thistle |
| 5024001 | blister beetles | Nemognatha spp. | |
| 5024002 | blister beetles | Nemognatha spp. | |
| 5024004 | rust colored beetle | Epicauta ferruginea | feeding at a sunflower with adult Nemognatha sp. |
| 5024005 | blister beetle | Epicauta valida | Adults massed near moisture of llivestock water trough. |
| 5024006 | western yellowjacket | Vespula pensylvanica | Queen produced in late Fall |
| 5024007 | red-femured milkweed borer | Tetraopes femoratus | |
| 5024008 | red-femured milkweed borer | Tetraopes femoratus | |
| 5024009 | red milkweed beetle | Tetraopes discoideus | |
| 5024011 | long-horned beetle | Tragidion coquus | |
| 5024012 | long-horned beetle | Tragidion coquus | mating pair |
| 5024015 | locust borer | Megacyllene robiniae | Mated pair with female ovipositing. |
| 5024016 | locust borer | Megacyllene robiniae | female |
| 5024017 | broadwinged katydid | Microcentrum rhombifolium | female |
| 5024024 | paper wasp | Polistes dominula | Fanning colony for temperature regulation |
| 5024026 | soybean stem borer | Dectes texanus | |
| 5024027 | whitespotted sawyer | Monochamus scutellatus | |
| 5024028 | long-horned beetle | Batyle suturalis pearsalli | |
| 5024029 | spotted pine sawyer | Monochamus clamator | |
| 5024030 | multicolored Asian lady beetle | Harmonia axyridis | Feeding on honeydew of oak rough bulletgall |
| 5024034 | twicestabbed lady beetle | Chilocorus stigma | associated with colony of poplar scale |
| 5024035 | twicestabbed lady beetle | Chilocorus stigma | associated with colony of poplar scale |
| 5024036 | blue beetle | Gibbifer californicus | |
| 5023081 | paper wasp | Polistes dominula | colony established on sweet corn tassel. August 26, 2006 |
| 5023082 | paper wasp | Polistes dominula | adult present during late May oviposition period |
| 5023083 | Mexican bean beetle | Epilachna varivestis | |
| 5023084 | immaculate blister beetle | Epicauta immaculata | |
| 5023086 | blister beetle | Epicauta nigritarsis | |
| 5023087 | blister beetle | Epicauta sericans | Fort Sill, OK |
| 5023089 | Pyrota insulata | Pyrota insulata | |
| 5023090 | rust colored beetle | Epicauta ferruginea | |
| 5023092 | rust colored beetle | Epicauta ferruginea | |
| 5023093 | rust colored beetle | Epicauta ferruginea | |
| 5023094 | black blister beetle | Epicauta pensylvanica | |
| 5023095 | blister beetle | Epicauta valida | |
| 5023096 | blister beetle | Epicauta valida | |
| 5023097 | blister beetle | Epicauta valida | Mating pair |
| 5023099 | blister beetle | Zonitis atripennis | |
| 5024050 | blue beetle | Gibbifer californicus | |
| 5024053 | paper wasp | Polistes dominula | chewing wood fibers from weathered wood. |
| 5024042 | sevenspotted lady beetle | Coccinella septempunctata | feeding |
| 5024043 | sevenspotted lady beetle | Coccinella septempunctata | |
| 5024044 | lady beetle | Hippodamia parenthesis | |
| 5024047 | blue beetle | Gibbifer californicus | |
| 2200099 | Gorgone checkerspot | Chlosyne gorgone | Adult basking, May 21, 2006 |
| 5000003 | cottonwood borer | Plectrodera scalator | Newly emerged adult on twig. July 12, 2006 |
| 5000004 | California pear sawfly | Pristiphora abbreviata | Adult ovipositing in emerging pear leaf. May 2, 2006. |
| 5000006 | firefly | Pleotomus pallens | Adult caught at light trap. July 14, 2006 |
| 5000007 | glowworm beetles | Phengodes spp. | Adult caught at light trap. July 12, 2006 |
| 5000008 | dobsonfly | Corydalus cornutus | Adult female caught at light trap. July 14, 2006 |
| 5000009 | Drummond's blue Buprestid | Lampetis drummondi | Adult on host plant. July 11, 2006 |
| 5000010 | dobsonfly | Corydalus cornutus | Adult female caught at light trap. July 14, 2006 |
| 5000011 | Drummond's blue Buprestid | Lampetis drummondi | Adult on host plant. July 11, 2006 |
| 5000012 | clearwing borer | Carmenta mimuli | May 31, 2006. |
| 5000013 | large mayfly | Hexagenia limbata | Subimago male |
| 5000014 | California pear sawfly | Pristiphora abbreviata | Adult ovipositing in emerging pear leaf. May 2, 2006. |
| 5000015 | California pear sawfly | Pristiphora abbreviata | Adult resting on pear leaf petiole. April 22, 2006. |
| 2200068 | Sumac Psyllid | Calophya triozomima | Early spring adults on new growth. May 7, 2006 |
| 2200069 | honeylocust leafhopper | Macropsis fumipennis | Adult on honeylocust twig. May 27, 2006 |
| 2200070 | dung beetle | Canthon praticola | An apparently confused adult pushing an isopod across a gravel road; July 13, 2006 |
| 2200071 | currant borer | Synanthedon tipuliformis | |
| 2200073 | Virginia creeper clearwing | Albuna fraxini | June 25, 2006 |
| 2200074 | Virginia creeper clearwing | Albuna fraxini | June 25, 2006 |
| 2200075 | hackberry emperor | Asterocampa celtis | Adult feeding on fluids on a 3-day old raccoon cadaver. July 10, 2006 |
| 2200076 | clearwing borer | Melittia snowii | Adult on leaf. June 10, 2006 |
| 2200077 | poplar twiggall fly | Hexomyza schineri | Adult resting on newly emerged leaf. May 2, 2006 |
| 2200078 | California pear sawfly | Pristiphora abbreviata | May 2, 2006 |
| 2200080 | European earwig | Forficula auricularia | |
| 2200081 | European earwig | Forficula auricularia | |
| 2200083 | Virginia creeper clearwing | Albuna fraxini | June 25, 2006 |
| 2200084 | lettuce aphid | Nasonovia ribisnigri | Apterous female |
| 2200086 | Colorado potato beetle | Leptinotarsa decemlineata | Adult on its native host. July 10, 2006 |
| 2200089 | large mayfly | Hexagenia limbata | Subimago female |
| 2200091 | California pear sawfly | Pristiphora abbreviata | Adult ovipositing in emerging pear leaf. May 2, 2006. |
| 2200095 | striped cucumber beetle | Acalymma vittatum | Teneral adult |
| 2200096 | pale swallowtail | Papilio eurymedon | Adult basking, May 21, 2006 |
| 2200097 | pale swallowtail | Papilio eurymedon | Adult drinking at damp spot by road, May 21, 2006 |
| 1243001 | vegetable leafminer | Liriomyza sativae | |
| 2200038 | elm leafminer | Kaliofenusa ulmi | May 7, 2006 |
| 2200039 | elm leafminer | Kaliofenusa ulmi | May 8, 2006 |
| 2200040 | elm leafminer | Kaliofenusa ulmi | May 6, 2006 |
| 2200042 | hunting wasp | Pemphredon spp. | Adult resting on sweet pea leaf. May 30, 2006. These small hunting wasps primarily prey on aphids that they cache in excavate pith of rose, raspberry and similar plants |
| 2200043 | hunting wasp | Pemphredon spp. | Adult resting on sweet pea leaf. May 30, 2006. These small hunting wasps primarily prey on aphids that they cache in excavate pith of rose, raspberry and similar plants |
| 2200044 | hunting wasp | Pemphredon spp. | Adult visiting cut rose stem later used for nesting. May 7, 2006. These small hunting wasps primarily prey on aphids that they cache in excavated pith of rose, raspberry and similar plants. |
| 2200045 | hunting wasp | Pemphredon spp. | Adult visiting cut rose stem later used for nesting. May 7, 2006. These small hunting wasps primarily prey on aphids that they cache in excavated pith of rose, raspberry and similar plants. |
| 2200048 | ants | Formica spp. | Adults visiting peony buds. Field ants very commonly visit peony buds in spring and collect a honeydew-like material secreted by the bud. May 7, 2006 |
| 2166071 | giant robber fly of Great Plains | Microstylum morosum | |
| 2166082 | Mydas fly | Mydas chrysostomus | |
| 1455160 | blue spruce engraver | Ips hunteri | Adults on penny |
| 1455147 | smaller European elm bark beetle | Scolytus multistriatus | |
| 1455101 | diamondback moth | Plutella xylostella | |
| 1455098 | fireflies | Photuris spp. | Turned to show light producing organ |
| 1455024 | threespotted flea beetle | Disonycha triangularis | |
| 1455054 | spotted asparagus beetle | Crioceris duodecimpunctata | |
| 1455055 | spotted asparagus beetle | Crioceris duodecimpunctata | |
| 1455056 | spotted asparagus beetle | Crioceris duodecimpunctata | |
| 1455057 | spotted asparagus beetle | Crioceris duodecimpunctata | |
| 1455058 | asparagus beetle | Crioceris asparagi | |
| 1455059 | asparagus beetle | Crioceris asparagi | |
| 1455060 | asparagus beetle | Crioceris asparagi | |
| 1455061 | asparagus beetle | Crioceris asparagi | |
| 1455072 | narcissus bulb fly | Merodon equestris | |
| 1246039 | poplar-and-willow borer | Cryptorhynchus lapathi | |
| 1246063 | duff millipedes | Polyxenus spp. | |
| 1246068 | bed bug | Cimex lectularius | |
| 1246075 | Indianmeal moth | Plodia interpunctella | |
| 1246001 | Eulophid wasp | Tetrastichus triozae | |
| 1246003 | white-lined sphinx | Hyles lineata | |
| 1246005 | big poplar sphinx | Pachysphinx occidentalis | |
| 1246008 | Zimmerman pine moth | Dioryctria zimmermani | |
| 1326205 | banded elm bark beetle | Scolytus schevyrewi | Newly introduced species in western US. Found on Elm, caragana, and Russian olive. |
| 1243011 | tobacco flea beetle | Epitrix hirtipennis | |
| 1243012 | horseradish flea beetle | Phyllotreta armoraciae | |
| 1243020 | bollworm | Helicoverpa zea | Adult visiting flower. |
| 1243050 | false Japanese beetle | Strigoderma arboricola | |
| 1243051 | false Japanese beetle | Strigoderma arboricola | digging for oviposition |
| 1243052 | false Japanese beetle | Strigoderma arboricola | digging for oviposition |
| 1243061 | bumble flower beetle | Euphoria inda | Adult feeding at strawflower. |
| 1243062 | bumble flower beetle | Euphoria inda | Adults feeding at cardoon flower. |
| 1243066 | lined June beetle | Polyphylla hammondi | in sod |
| 1243143 | hollyhock weevil | Rhopalapion longirostre | Mating pair on seed head on hollyhock. |
| 1243144 | hollyhock weevil | Rhopalapion longirostre | Mating pair on seed head on hollyhock. |
| 1243148 | Eulophid wasp | Tetrastichus triozae | Adult parasitoid of the potato/tomato psyllid |
| 1243161 | three-lined Lema beetle | Lema trivittata | |
| 1243166 | checkered melon beetle | Paranapiacaba tricincta | |
| 1243167 | checkered melon beetle | Paranapiacaba tricincta | |
| 1243101 | aster leafhopper | Macrosteles quadrilineatus | |
| 1243115 | black swallowtail | Papilio polyxenes | Adult visiting zinnia flower. |
| 1243116 | carrot weevil | Listronotus oregonensis | |
| 1243122 | potato/tomato psyllid | Paratrioza cockerelli | Hosts: Potato, tomato |
| 1326206 | banded elm bark beetle | Scolytus schevyrewi | Newly introduced species in western US. Found on Elm, caragana, and Russian olive. |
| 1326220 | Tachinid fly | Phasia occidentis | Parasitoid of Nysius spp. |
| 1326202 | chalcid wasp | Phasgonophora sulcata | parasitoid of Agrilus spp. |
| 1326182 | goldenrain-tree bug | Jadera haematoloma | Seeds of Goldenrain tree. |
| 1326178 | big poplar sphinx | Pachysphinx occidentalis | Mating pair. |
| 1326193 | hawthorn mealybug | Phenacoccus dearnessi | Adults and crawlers on Hawthorn. |
| 1326195 | hawthorn mealybug | Phenacoccus dearnessi | Adults and crawlers on Hawthorn. |
| 1326203 | bronze birch borer | Agrilus anxius | |
| 1326201 | bronze birch borer | Agrilus anxius | Adult with Phasgonophora sulcata, a parasitoid of Agrilus spp. |
| 1326181 | western boxelder bug | Boisea rubrolineata | Adult Boxelder, other maples. |
| 1326152 | Mexican bean beetle | Epilachna varivestis | Teneral adult on bean. |
| 1326153 | Mexican bean beetle | Epilachna varivestis | Adult with summer coloration on bean. |
| 1326154 | Mexican bean beetle | Epilachna varivestis | Adult with darker color prior to hibernation on bean. |
| 1326155 | Mexican bean beetle | Epilachna varivestis | Adult on bean. |
| 1326221 | elm leaf aphid | Tinocallis ulmifolii | Winged and wingless adults. American Elm. |
| 1326208 | boxelder bug | Boisea trivittata | Adults and nymphs on Boxelder. |
| 1326212 | boxelder bug | Boisea trivittata | on Boxelder. |
| 1326215 | false chinch bug | Nysius raphanus | Adults with pupae of Tachnid parasitoid, Phasia occidentis. Generalist herbivore of herbaseous broadleaf plants. |
| 1325012 | honeylocust spider mite | Platytetranychus multidigituli | Female (right) and male (left) |
| 1325083 | spotted pine sawyer | Monochamus clamator | |
| 1325084 | poplar borer | Saperda calcarata | |
| 1325099 | oak rough bulletgall wasp | Disholcaspis quercusmamma | Adult at oviposition in dormant bud |
| 1326053 | hunting wasp | Pemphredon spp. | Recently emerged adult nesting in green ash twig |
| 1326086 | cherry curculio | Anthonomus consors | Adults on foliage |
| 1326117 | European elm scale | Eriococcus spuria | Male cocoons |
| 1325100 | ash borer | Podosesia syringae | mating pair |
| 1325092 | carpenter ants | Camponotus spp. | male and female |
| 1325096 | rose stem girdler | Agrilus cuprescens | |
| 1325024 | cooley spruce gall adelgid | Adelges cooleyi | overwintered female on twig |
| 1325027 | cooley spruce gall adelgid | Adelges cooleyi | winged adults emerging from spruce gall |
| 1325001 | pinyon spindlegall midge | Pinyonia edulicola | emerging from galls |
| 1325004 | pinyon spindlegall midge | Pinyonia edulicola | |
| 1325011 | honeylocust spider mite | Platytetranychus multidigituli | |
| 1325029 | cooley spruce gall adelgid | Adelges cooleyi | overwintering form in late winter |
| 1325039 | ash plant bug | Tropidosteptes amoenus | |
| 1325043 | buffalo treehopper | Stictocephala bisonia | |
| 1325046 | hackberry nipplegall maker | Pachypsylla celtidismamma | |
| 1325049 | hackberry blistergall psyllid | Pachypsylla celtidisvesiculum | |
| 1325051 | honeylocust leafhopper | Macropsis fumipennis | |
| 1325055 | honeylocust plant bug | Diaphnocoris chlorionis | |
| 1325060 | walking cicada | Okanagana synodica | |
| 1325064 | currant borer | Synanthedon tipuliformis | |
| 1325080 | honeylocust pod gall midge | Dasineura gleditchiae |


