Eric Coombs's Images
Title: Biological Control EntomologistOrganization: Oregon Department of Agriculture
Unit: Noxious Weed Control / Plant Division
Country: United States
| 621 Images of 104 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5435930 | Mediterranean tamarisk beetle | Diorhabda elongata | flood events can wipe out adults when they hide in the duff at night |
| 5488969 | green knapweed clearwing fly | Terellia virens | larva in seed head |
| 5488971 | green knapweed clearwing fly | Terellia virens | adult male |
| 5435737 | green knapweed clearwing fly | Terellia virens | female |
| 5435739 | green knapweed clearwing fly | Terellia virens | female |
| 5488972 | green knapweed clearwing fly | Terellia virens | adult female |
| 5488970 | green knapweed clearwing fly | Terellia virens | adult female |
| 5435738 | green knapweed clearwing fly | Terellia virens | female |
| 5488973 | golden loosestrife beetle | Galerucella pusilla | larvae |
| 5488974 | purple loosestrife | Lythrum salicaria | purple loosestrife infestation before Galerucella attack |
| 5488966 | gall midge | Jaapiella ivannikovi | release of gall midge in the field with water vials to keep plants fresh |
| 5488967 | golden loosestrife beetle | Galerucella pusilla | heavy defoliation by leaf beetle |
| 5488961 | gall midge | Jaapiella ivannikovi | adult gall midge |
| 5488975 | golden loosestrife beetle | Galerucella pusilla | leaf beetle collection |
| 5488963 | gall midge | Jaapiella ivannikovi | adults and gall |
| 5435875 | root-boring weevil | Hylobius transversovittatus | adult frass (ink spot). Adults are generally nocturnal, so this is a good way to determine their presence. |
| 5454480 | thistle tortoise beetle | Cassida rubiginosa | Larva and feeding damage |
| 5454459 | bindweed gall mite | Aceria malherbae | |
| 5436239 | fewleaf thistle | Cirsium remotifolium | mountain thistle population |
| 5436238 | fewleaf thistle | Cirsium remotifolium | mountain thistle plant |
| 5436237 | fewleaf thistle | Cirsium remotifolium | mountain thistle flower head |
| 5436299 | rust | Puccinia jaceae var. solstitialis | rearing setup for propagating rust fungus |
| 5435664 | bramble leaf rust | Phragmidium violaceum | Paraphases of rust fungus. Host also known as (R. disclor, R. procerus) |
| 5436207 | Canada thistle stem gall fly | Urophora cardui | normal gall (L) and one with winter bird predation (R) |
| 5435923 | Mediterranean tamarisk beetle | Diorhabda elongata | flood events can wipe out adults when they hide in the duff at night |
| 5435696 | broad-nosed knapweed seedhead weevil | Bangasternus fausti | Bangasternus fausti (L) shorter snout; Larinus minutus (R) longer snout and bigger weevil |
| 5435918 | Mediterranean tamarisk beetle | Diorhabda elongata | release cage for adult beetles |
| 5454489 | musk thistle flower fly | Cheilosia corydon | Larval damage descending in stem |
| 5454488 | musk thistle flower fly | Cheilosia corydon | |
| 5454484 | knapweed root weevil | Cyphocleonus achates | |
| 5454481 | klamathweed beetle | Chrysolina quadrigemina | |
| 5454482 | klamathweed beetle | Chrysolina quadrigemina | |
| 5435717 | Russian knapweed | Rhaponticum repens | |
| 5435718 | Russian knapweed | Rhaponticum repens | infestation |
| 5454476 | sulfur knapweed root moth | Agapeta zoegana | |
| 5454477 | sulfur knapweed root moth | Agapeta zoegana | |
| 5454478 | ragwort seed fly | Botanophila seneciella | |
| 5454479 | ragwort seed fly | Botanophila seneciella | |
| 5454460 | St. John's wort beetle | Agrilus hyperici | |
| 5454483 | knapweed root weevil | Cyphocleonus achates | |
| 5454462 | bramble leaf rust | Phragmidium violaceum | |
| 5454495 | field bindweed moth | Tyta luctuosa | |
| 5454496 | field bindweed moth | Tyta luctuosa | |
| 5454497 | field bindweed moth | Tyta luctuosa | |
| 5454498 | field bindweed moth | Tyta luctuosa | |
| 5454503 | giant reed | Arundo donax | |
| 5454492 | blessed milkthistle | Silybum marianum | |
| 5454463 | bramble leaf rust | Phragmidium violaceum | |
| 5454518 | Scotch broom | Cytisus scoparius | |
| 5454493 | blessed milkthistle | Silybum marianum | |
| 5454490 | blessed milkthistle | Silybum marianum | |
| 5454499 | gorse | Ulex europaeus | |
| 5454485 | Italian plumeless thistle | Carduus pycnocephalus | |
| 5454486 | Italian plumeless thistle | Carduus pycnocephalus | |
| 5454487 | Italian plumeless thistle | Carduus pycnocephalus | |
| 5454461 | Scotch broom | Cytisus scoparius | |
| 5454504 | Russian-thistle | Salsola tragus | |
| 5454501 | gorse | Ulex europaeus | |
| 5454500 | gorse | Ulex europaeus | along ocean side cliff |
| 5454491 | blessed milkthistle | Silybum marianum | |
| 5454494 | blessed milkthistle | Silybum marianum | |
| 5454502 | Russian knapweed | Rhaponticum repens | |
| 5454515 | Scotch broom | Cytisus scoparius | |
| 5454516 | Scotch broom | Cytisus scoparius | |
| 5454517 | Scotch broom | Cytisus scoparius | |
| 5454519 | Scotch broom | Cytisus scoparius | |
| 5454505 | Russian-thistle | Salsola tragus | |
| 5436105 | Scotch broom | Cytisus scoparius | reddish-blush color morph |
| 5435692 | diffuse knapweed | Centaurea diffusa | regrowth in fall after summer defoliation by Larinus minutus, which can happen after a good summer rain. |
| 5435803 | stem-gall nematode | Subanguina picridis | nematodes in crushed gall material |
| 5435804 | stem-gall nematode | Subanguina picridis | nematodes in crushed gall material |
| 5435805 | stem-gall nematode | Subanguina picridis | original nematode release site in 2004, compare with grassy site in 2006. |
| 1291018 | root-boring weevil | Hylobius transversovittatus | In root |
| 0021091 | purple loosestrife | Lythrum salicaria | |
| 0021093 | purple loosestrife | Lythrum salicaria | on Idaho border near Ontario, Oregon |
| 0021039 | meadow knapweed | Centaurea moncktonii | |
| 1291034 | flower feeding weevil | Nanophyes marmoratus | Releasing adults on caged purple loosestrife plants |
| 0025080 | toadflax capsule weevil | Gymnetron antirrhini | |
| 5435861 | black-margined loosestrife beetle | Galerucella calmariensis | Gary Brown, USDA APHIS, cutting old stems down in late winter, site preparation for easier collection of first generation adults |
| 5435666 | bramble leaf rust | Phragmidium violaceum | Teliospore. Host also known as (R. disclor, R. procerus). |
| 5436107 | Pteromalid Wasp | Pteromalus sequester | Ripe seed pod showing broom seed weevil parasite (Pteromalus sequester) emergence hole |
| 5438837 | rush skeletonweed root moth | Bradyrrhoa gilveolella | adult moth |
| 5436159 | bull thistle | Cirsium vulgare | flower head |
| 5436094 | broom seed beetle | Bruchidius villosus | using beating sheets to collect broom beetles. |
| 5436095 | broom seed beetle | Bruchidius villosus | Aspirating broom beetles off beating sheet. Beth Myers-Shenai, ODA? (R). |
| 5435795 | bindweed gall mite | Aceria malherbae | collecting bindweed mite galls for redistribution |
| 5435686 | gorse spider mite | Tetranychus lintearius | |
| 5436210 | Canada thistle stem gall fly | Urophora cardui | rearing cage, galls placed in peat moss and kept damp, hatching adults are then collected in closed sleeve cage. Adults give off a sweet fragrance when they emerge. |
| 5435860 | black-margined loosestrife beetle | Galerucella calmariensis | Merle Keys, Wasco County Weed supervisor, collecting adult Galerucella beetles. |
| 0021025 | gorse seed weevil | Exapion ulicis | on flower |
| 0021022 | gorse seed weevil | Exapion ulicis | |
| 0021079 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 0023064 | Scotch thistle | Onopordum acanthium | |
| 0021077 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 5435663 | bramble leaf rust | Phragmidium violaceum | Aecia spores. Host also known as (R. disclor, R. procerus). |
| 0024089 | gorse spider mite | Tetranychus lintearius | covering plant |
| 5436223 | musk thistle head weevil | Rhinocyllus conicus | flower head, note chewing damage by seed head weevil Rhinocyllus conicus. |
| 5435889 | rush skeletonweed root moth | Bradyrrhoa gilveolella | field release of eggs and neonate larvae by affixing eggs laid on paper to plants |
| 5435707 | blunt knapweed flower weevil | Larinus obtusus | breeding adults on meadow knapweed, also attacks spotted knapweed. |
| 5436089 | broom gall mite | Aceria genistae | heavily infested broom plant with gall mites |
| 5436088 | broom gall mite | Aceria genistae | extreme infection of broom mite galls in spring |
| 5436111 | common St. Johnswort | Hypericum perforatum | plant |
| 5436103 | Scotch broom | Cytisus scoparius | pollinator tripped Scotch broom flower, pistil and anthers are showing |
| 5436302 | rust | Puccinia jaceae var. solstitialis | early infection of rust fungus |
| 5435838 | puncturevine seed weevil | Microlarinus lareynii | collection of infested plants to rear out seed weevils for redistribution |
| 5438838 | rush skeletonweed root moth | Bradyrrhoa gilveolella | adult moth |
| 5438839 | rush skeletonweed root moth | Bradyrrhoa gilveolella | adult moth |
| 5438840 | rush skeletonweed root moth | Bradyrrhoa gilveolella | adult moth |
| 5436124 | St. John's wort beetle | Agrilus hyperici | larva in root |
| 5435928 | Mediterranean tamarisk beetle | Diorhabda elongata | marker tree for saltcedar beetle monitoring study |
| 5436298 | yellow starthistle flower weevil | Larinus curtus | adult weevil oviposits in open flower heads |
| 5436222 | blessed milkthistle | Silybum marianum | plant |
| 0021078 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 0021094 | purple loosestrife | Lythrum salicaria | |
| 0026035 | Canada thistle bud weevil | Larinus planus | to flower buds |
| 0023003 | Scottish broom seed weevil | Exapion fuscirostre | |
| 5436297 | yellow starthistle flower weevil | Larinus curtus | adult weevil |
| 5436224 | blessed milkthistle | Silybum marianum | rosette |
| 5435716 | meadow knapweed | Centaurea moncktonii | hybrid with diffuse knapweed |
| 5435710 | meadow knapweed | Centaurea moncktonii | |
| 5435711 | meadow knapweed | Centaurea moncktonii | |
| 5435712 | meadow knapweed | Centaurea moncktonii | |
| 5435713 | meadow knapweed | Centaurea moncktonii | |
| 5435714 | meadow knapweed | Centaurea moncktonii | purple with white ray flowers |
| 5435715 | meadow knapweed | Centaurea moncktonii | white color morph |
| 5435699 | broad-nosed knapweed seedhead weevil | Bangasternus fausti | egg below flower head |
| 5435902 | rush skeletonweed | Chondrilla juncea | |
| 5435905 | rush skeletonweed | Chondrilla juncea | |
| 5435913 | rush skeletonweed rust | Puccinia chondrillina | rust spores on leaf |
| 5435929 | Mediterranean tamarisk beetle | Diorhabda elongata | sleeve cage used to keep adults together for the night, to help aggregation behavior. 100 adults were released in cage, the rest outside, cage removed following day. |
| 5436203 | musk thistle head weevil | Rhinocyllus conicus | adult weevil. Note: Not an approved biocontrol agent |
| 5436134 | tansy ragwort | Senecio jacobaea | plant |
| 0021024 | gorse seed weevil | Exapion ulicis | on flower |
| 0021013 | gorse tip moth | Agonopterix nervosa | |
| 0021006 | gorse | Ulex europaeus | |
| 0023008 | Scottish broom seed weevil | Exapion fuscirostre | in seed pods |
| 0024091 | diffuse knapweed | Centaurea diffusa | |
| 0021080 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 0021030 | gorse spider mite | Tetranychus lintearius | |
| 0024018 | bull thistle gall fly | Urophora stylata | feeding in seed head (left) and normal head (right) |
| 0025037 | musk thistle head weevil | Rhinocyllus conicus | laying eggs on plant |
| 0021089 | defoliating hemlock moth | Agonopterix alstroemeriana | |
| 0023042 | slenderflower thistle | Carduus tenuiflorus | |
| 0021095 | black-margined loosestrife beetle | Galerucella calmariensis | on leaf |
| 0021088 | defoliating hemlock moth | Agonopterix alstroemeriana | |
| 0023004 | twig-mining moth | Leucoptera spartifoliella | |
| 0022036 | Russian knapweed | Rhaponticum repens | |
| 0021090 | defoliating hemlock moth | Agonopterix alstroemeriana | caused by larvae |
| 0022099 | Scotch broom | Cytisus scoparius | |
| 0023039 | ragwort seed fly | Botanophila seneciella | |
| 0023034 | tansy ragwort | Senecio jacobaea | |
| 0023040 | ragwort seed fly | Botanophila seneciella | |
| 0022097 | rush skeletonweed rust | Puccinia chondrillina | to the leaves |
| 0022067 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 0022053 | yellow starthistle bud weevil | Bangasternus orientalis | |
| 0023005 | twig-mining moth | Leucoptera spartifoliella | |
| 0023035 | tansy ragwort | Senecio jacobaea | |
| 0023010 | common St. Johnswort | Hypericum perforatum | |
| 0023006 | Scottish broom seed weevil | Exapion fuscirostre | on seed pod |
| 0024016 | bull thistle | Cirsium vulgare | |
| 0022057 | yellow starthistle hairy weevil | Eustenopus villosus | |
| 5436199 | Canada thistle stem mining weevil | Ceutorhynchus litura | Canada thistle infestation is minor beyond shaded zone where crown root weevils were abundant. Some Urophora cardui present in shade, but few crown root weevils. |
| 0023007 | Scottish broom seed weevil | Exapion fuscirostre | adult feeding damage |
| 0023023 | St. Johnswort beetle | Chrysolina hyperici | |
| 0026036 | Canada thistle bud weevil | Larinus planus | |
| 0026033 | Canada thistle bud weevil | Larinus planus | on flower bud |
| 5436301 | rust | Puccinia jaceae var. solstitialis | inoculation of plants with rust fungus. |
| 5436287 | yellow starthistle bud weevil | Bangasternus orientalis | adult weevil, note oviposition site below on leaflet. |
| 5436288 | yellow starthistle bud weevil | Bangasternus orientalis | adult weevil |
| 5436289 | yellow starthistle bud weevil | Bangasternus orientalis | parasitic wasp of Bangasternus orientalis |
| 5436290 | peacock fly | Chaetorellia succinea | adult female. This insect is not an approved biocontrol agent. |
| 5436291 | peacock fly | Chaetorellia succinea | adult male, showing multicolored iridescent eyes. This insect is not an approved biocontrol agent. |
| 5436292 | peacock fly | Chaetorellia succinea | adult female. This insect is not an approved biocontrol agent. |
| 5436293 | peacock fly | Chaetorellia succinea | adult male. This insect is not an approved biocontrol agent. |
| 5436294 | yellow starthistle hairy weevil | Eustenopus villosus | adult weevil |
| 5436295 | yellow starthistle hairy weevil | Eustenopus villosus | adult weevil |
| 5436296 | yellow starthistle flower weevil | Larinus curtus | adult weevil |
| 5436303 | rust | Puccinia jaceae var. solstitialis | early infection of rust fungus |
| 5436300 | rust | Puccinia jaceae var. solstitialis | tent used to maintain humidity after pathogen inoculation |
| 5436200 | musk thistle head weevil | Rhinocyllus conicus | oviposition sites (brown spots on flower bracts of seed head weevil (hiding) |
| 5436201 | musk thistle head weevil | Rhinocyllus conicus | adult weevil. Note: Not an approved biocontrol agent |
| 5436202 | musk thistle head weevil | Rhinocyllus conicus | adult weevil. Note: Not an approved biocontrol agent |
| 0024073 | cinnabar moth | Tyria jacobaeae | |
| 0024017 | bull thistle gall fly | Urophora stylata | |
| 0024074 | cinnabar moth | Tyria jacobaeae | on flower |
| 0024083 | gorse | Ulex europaeus | |
| 0024075 | cinnabar moth | Tyria jacobaeae | |
| 0022095 | skeletonweed gall mite | Eriophyes chondrillae | |
| 5435855 | black-margined loosestrife beetle | Galerucella calmariensis | Horseshoe Lake late summer 2004 beginning of Galerucella outbreak during second generation, few plants flowered |
| 5436229 | musk thistle | Carduus nutans | plant |
| 5435799 | stem-gall nematode | Subanguina picridis | edge of Subanguina picridis (nematode) infestation on left, Springers Spring 2006, Crooked River National Grasslands. Grasses came in in spring where Russian knapweed had been stunted. |
| 5436281 | yellow starthistle | Centaurea solstitialis | heavily grazed patch. Overgrazing during bolting causes a delay in flowering and asynchrony with biocontrol agents |
| 5436282 | yellow starthistle | Centaurea solstitialis | heavily grazed patch. Overgrazing during bolting causes a delay in flowering and asynchrony with biocontrol agents |
| 5436283 | yellow starthistle | Centaurea solstitialis | flower head showing elongated spiny bracts |
| 5436284 | yellow starthistle | Centaurea solstitialis | flower head |
| 5436285 | yellow starthistle | Centaurea solstitialis | plant |
| 5435919 | Mediterranean tamarisk beetle | Diorhabda elongata | heavy defoliation by larvae, Haystack Rock, OR. JULY 2008 |
| 5436286 | yellow starthistle | Centaurea solstitialis | infestation along railroad right-of-way. Lack of plant competition and biocontrols leads to continuous problem. |
| 5436275 | Dalmatian toadflax | Linaria dalmatica | Mecinus West site BEFORE control Dufur, OR 2005 |
| 5436276 | Dalmatian toadflax | Linaria dalmatica | Mecinus East site BEFORE control Dufur, OR 2005 |
| 5436277 | stem-boring weevil | Mecinus janthinus | Mecinus East site AFTER control Dufur, OR 2007 |
| 5436278 | stem-boring weevil | Mecinus janthinus | Mecinus West site AFTER control Dufur, OR 2007 |
| 5436270 | toadflax capsule weevil | Gymnetron antirrhini | adult weevils |
| 5436271 | stem-boring weevil | Mecinus janthinus | adult weevil |
| 5436272 | stem-boring weevil | Mecinus janthinus | damage to plant by adult feeding, note tip kill |
| 5436273 | stem-boring weevil | Mecinus janthinus | adult weevil |
| 5436274 | stem-boring weevil | Mecinus janthinus | adult weevil |
| 5436264 | Dalmatian toadflax | Linaria dalmatica | |
| 5436265 | Dalmatian toadflax | Linaria dalmatica | |
| 5436267 | toadflax flower-eating beetle | Brachypterolus pulicarius | adult beetle |
| 5436257 | Canada thistle bud weevil | Larinus planus | damage by introduced weevil Larinus planus |
| 5436258 | Canada thistle bud weevil | Larinus planus | damage by introduced weevil Larinus planus |
| 5436269 | toadflax capsule weevil | Gymnetron antirrhini | adult weevil on flower |
| 5436232 | thistle crown weevil | Trichosirocalus horridus | adult weevil |
| 5436233 | thistle crown weevil | Trichosirocalus horridus | larva and root-crown damage |
| 5436234 | thistle crown weevil | Trichosirocalus horridus | larva and root-crown damage |
| 5436268 | toadflax capsule weevil | Gymnetron antirrhini | |
| 5436266 | toadflax flower-eating beetle | Brachypterolus pulicarius | adult beetle (center) others are Gymnetron antirhini |
| 5436102 | Scotch broom | Cytisus scoparius | Scotch broom (L) and Portuguese broom (Spartium junceum) - with hairy pods( R) |
| 5436240 | graygreen thistle | Cirsium canovirens | |
| 5436241 | graygreen thistle | Cirsium canovirens | |
| 5436242 | Indian thistle | Cirsium edule | flower head |
| 5436243 | Indian thistle | Cirsium edule | plant |
| 5436244 | Indian thistle | Cirsium edule | plant |
| 5436245 | western thistle | Cirsium occidentale | |
| 5436246 | western thistle | Cirsium occidentale | |
| 5436226 | musk thistle | Carduus nutans | flower head pre-bloom |
| 5436227 | musk thistle | Carduus nutans | flower head |
| 5436228 | musk thistle | Carduus nutans | flower head pre-bloom |
| 5436248 | Steen Mountain thistle | Cirsium peckii | |
| 5436249 | Jackson Hole thistle | Cirsium subniveum | |
| 5436250 | Jackson Hole thistle | Cirsium subniveum | |
| 5436254 | wavyleaf thistle | Cirsium undulatum | flower head |
| 5436255 | wavyleaf thistle | Cirsium undulatum | plant |
| 5436256 | wavyleaf thistle | Cirsium undulatum | population |
| 5436262 | Dalmatian toadflax | Linaria dalmatica | |
| 5436263 | Dalmatian toadflax | Linaria dalmatica | |
| 5436230 | musk thistle head weevil | Rhinocyllus conicus | |
| 5436231 | musk thistle head weevil | Rhinocyllus conicus | Adult weevil on stem, note feeding scars along the stem midrib. This weevil is no longer an approved biocontrol agent. |
| 5436235 | thistle crown weevil | Trichosirocalus horridus | adult feeding scars on leaf, oval windows |
| 5436236 | thistle crown weevil | Trichosirocalus horridus | adult feeding scars on leaf, oval windows |
| 5436220 | blessed milkthistle | Silybum marianum | gone to seed |
| 5436141 | ragwort flea beetle | Longitarsus jacobaea | adult flea beetle |
| 5436142 | ragwort flea beetle | Longitarsus jacobaea | adult flea beetle |
| 5436143 | ragwort flea beetle | Longitarsus jacobaea | adult flea beetle |
| 5436144 | ragwort flea beetle | Longitarsus jacobaea | flea beetle larva and damage in leaf stalk |
| 5436145 | ragwort flea beetle | Longitarsus jacobaea | flea beetle larva and damage in leaf stalk |
| 5435863 | flower feeding weevil | Nanophyes marmoratus | aspirating adult weevils from the beating sheet. |
| 5435864 | flower feeding weevil | Nanophyes marmoratus | collecting adult weevils using a beating sheet, they are then aspirated into a collecting vial. |
| 5436090 | Scotch broom | Cytisus scoparius | heavily infested plant in spring by broom gall mites |
| 5436185 | thistle tortoise beetle | Cassida rubiginosa | adult (lower left) and larval feeding damage |
| 5436186 | thistle tortoise beetle | Cassida rubiginosa | adult beetle and larva |
| 5436187 | thistle tortoise beetle | Cassida rubiginosa | adult beetle |
| 5436188 | thistle tortoise beetle | Cassida rubiginosa | feeding damage from Canada thistle tortoise beetle |
| 5436189 | thistle tortoise beetle | Cassida rubiginosa | heavy leaf damage |
| 5436190 | thistle tortoise beetle | Cassida rubiginosa | larva with decorative frass |
| 5436191 | thistle tortoise beetle | Cassida rubiginosa | larva |
| 5436192 | Canada thistle stem mining weevil | Ceutorhynchus litura | adult weevil |
| 5436193 | Canada thistle stem mining weevil | Ceutorhynchus litura | adult weevil |
| 5436194 | Canada thistle stem mining weevil | Ceutorhynchus litura | adult weevil |
| 5436179 | Canada thistle | Cirsium arvense | infestation going to seed |
| 5436180 | Canada thistle | Cirsium arvense | overgrazed pasture with tansy ragwort and Canada thistle |
| 5436181 | Canada thistle | Cirsium arvense | flower heads |
| 5436182 | Canada thistle | Cirsium arvense | rosettes in spring |
| 5436183 | Canada thistle | Cirsium arvense | infestation |
| 5436184 | Canada thistle | Cirsium arvense | infestation |
| 5436213 | musk thistle flower fly | Cheilosia corydon | dead terminal tip and flower buds from attack by stem boring fly |
| 5436195 | Canada thistle stem mining weevil | Ceutorhynchus litura | adult weevil |
| 5436196 | Canada thistle stem mining weevil | Ceutorhynchus litura | larvae in stem |
| 5436197 | Canada thistle stem mining weevil | Ceutorhynchus litura | larvae in root crown |
| 5436198 | Canada thistle stem mining weevil | Ceutorhynchus litura | larvae in root crown |
| 5435726 | knapweed peacock fly | Chaetorellia acrolophi | |
| 5435877 | root-boring weevil | Hylobius transversovittatus | rearing pools for adult weevils. Infested plants are dug up in late winter or early spring, then placed in rearing pools in a greenhouse. Lights turned on in the night help to locate adults feeding on leaves. The moat keeps them from getting out of the pool. |
| 5435878 | root-boring weevil | Hylobius transversovittatus | rearing pools for adult weevils. Infested plants are dug up in late winter or early spring, then placed in rearing pools in a greenhouse. Lights turned on in the night help to locate adults feeding on leaves. The moat keeps them from getting out of the pool. |
| 5435880 | root-boring weevil | Hylobius transversovittatus | rearing pools for adult weevils. Infested plants are dug up in late winter or early spring, then placed in rearing pools in a greenhouse. Lights turned on in the night help to locate adults feeding on leaves. The moat keeps them from getting out of the pool. |
| 5436211 | Italian plumeless thistle | Carduus pycnocephalus | infestation around fallen tree where ground squirrels cause continuous disturbance |
| 5436212 | Italian plumeless thistle | Carduus pycnocephalus | flower heads |
| 5436214 | thistle crown weevil | Trichosirocalus horridus | adult weevil |
| 5436215 | thistle crown weevil | Trichosirocalus horridus | attack site of crown weevil, bud is destroyed. |
| 5436216 | thistle crown weevil | Trichosirocalus horridus | attack site of crown weevil, bud is destroyed. |
| 5436217 | slenderflower thistle | Carduus tenuiflorus | un-attacked rosette free from crown weevil |
| 5436221 | blessed milkthistle | Silybum marianum | plant |
| 5436218 | thistle crown weevil | Trichosirocalus horridus | adult weevil |
| 5436219 | thistle crown weevil | Trichosirocalus horridus | attack site of crown weevil, bud is destroyed (dead tissue in center). Plants can produce secondary stems afterwards, but flowering is delayed. |
| 5436208 | Canada thistle stem gall fly | Urophora cardui | gall |
| 5436204 | Canada thistle stem gall fly | Urophora cardui | adult gall fly |
| 5436205 | Canada thistle stem gall fly | Urophora cardui | adult gall fly |
| 5436206 | Canada thistle stem gall fly | Urophora cardui | adult gall fly |
| 5436169 | tansy ragwort | Senecio jacobaea | |
| 5436173 | cinnabar moth | Tyria jacobaeae | |
| 0026032 | Canada thistle bud weevil | Larinus planus | |
| 5436086 | broom gall mite | Aceria genistae | infested shrub with broom mite galls, dying at end of summer infection |
| 5435801 | stem-gall nematode | Subanguina picridis | normal plant (L), nematode galls have stunted plant (R) |
| 5435802 | stem-gall nematode | Subanguina picridis | normal plant (R), nematode galls have heavily stunted plant (L) |
| 5435806 | sulfur knapweed root moth | Agapeta zoegana | collecting adult moths with black light trap |
| 5435809 | sulfur knapweed root moth | Agapeta zoegana | |
| 5435859 | black-margined loosestrife beetle | Galerucella calmariensis | |
| 5435853 | purple loosestrife | Lythrum salicaria | Horseshoe Lake 2004 before Galerucella outbreak |
| 5435854 | purple loosestrife | Lythrum salicaria | Horseshoe Lake 2008 after Galerucella outbreak |
| 5435797 | bindweed gall mite | Aceria malherbae | Tygh Valley, OR site, 2008, plants heavily galled by mites, biomass and cover substantially decreased, but not density. |
| 5435798 | bindweed gall mite | Aceria malherbae | Tygh Valley, OR site 2006, little damage by gall mite. |
| 5435793 | field bindweed | Convolvulus arvensis | plants before gall mite attack |
| 0024014 | toadflax capsule weevil | Gymnetron antirrhini | feeding inside seed capsules |
| 5436087 | broom gall mite | Aceria genistae | extreme infection by broom mite galls in spring |
| 5436085 | broom gall mite | Aceria genistae | broom mite galls, twigs dying at end of summer attack |
| 5436146 | tansy ragwort | Senecio jacobaea | regrowth of tansy after severe defoliation by cinnabar moth larvae |
| 5436147 | tansy ragwort | Senecio jacobaea | fall regrowth and flowering of tansy after severe defoliation by cinnabar moth larvae |
| 5436164 | bull thistle | Cirsium vulgare | normal empty seed head, not attacked by seed head gall fly |
| 5436083 | broom gall mite | Aceria genistae | broom gall mite |
| 5436084 | broom gall mite | Aceria genistae | galls from previous year on dead branch |
| 5436121 | St. John's wort beetle | Agrilus hyperici | larva in root |
| 5436122 | St. John's wort beetle | Agrilus hyperici | adult |
| 5436123 | St. John's wort beetle | Agrilus hyperici | Adult |
| 5436125 | St. John's Wort Inchworm | Aplocera plagiata | larva |
| 5436126 | St. John's Wort Inchworm | Aplocera plagiata | larva St. Johnswort inchworm |
| 5436127 | St. John's Wort Inchworm | Aplocera plagiata | larva St. Johnswort inchworm |
| 5436138 | ragwort seed fly | Botanophila seneciella | adult females oviposit on seed heads |
| 5436139 | ragwort seed fly | Botanophila seneciella | adult fly on seed head |
| 5436140 | ragwort seed fly | Botanophila seneciella | dark spot is initial indication of infested seed head with ragwort seed fly larva |
| 5436099 | Scotch broom | Cytisus scoparius | Scotch broom and Portuguese broom infestation, South Jetty, Florence, OR |
| 5436100 | Scotch broom | Cytisus scoparius | Scotch broom and French broom infestation, South Jetty, Florence, OR |
| 5436101 | Scotch broom | Cytisus scoparius | Scotch broom and Portuguese broom (silvery plants) infestation, South Jetty, Florence, OR. French broom |
| 5436092 | broom seed beetle | Bruchidius villosus | adult beetle |
| 5436093 | broom seed beetle | Bruchidius villosus | adult beetle |
| 5436096 | broom seed beetle | Bruchidius villosus | hatched egg of broom beetle, showing larval tunnel in seed pod |
| 5436097 | broom seed beetle | Bruchidius villosus | broom beetle egg with neonate larva about to hatch |
| 5436098 | broom seed beetle | Bruchidius villosus | hatched egg of broom beetle on ripening seed pod. This is a good time to survey and determine beetle presence at sites by numbers of eggs on pods. |
| 5436113 | St. Johnswort beetle | Chrysolina hyperici | adult |
| 5436114 | St. Johnswort beetle | Chrysolina hyperici | larva |
| 5436115 | klamathweed beetle | Chrysolina quadrigemina | adults defoliating plant |
| 5436116 | klamathweed beetle | Chrysolina quadrigemina | adult |
| 5436117 | klamathweed beetle | Chrysolina quadrigemina | adult |
| 5436118 | klamathweed beetle | Chrysolina quadrigemina | adults defoliating small infestation |
| 5436119 | klamathweed beetle | Chrysolina quadrigemina | larva |
| 5436160 | bull thistle | Cirsium vulgare | flower head |
| 5436161 | bull thistle | Cirsium vulgare | plant |
| 5436104 | Scotch broom | Cytisus scoparius | yellow and red color morph |
| 5436106 | Scotch broom | Cytisus scoparius | red flowered morph |
| 5436108 | Scottish broom seed weevil | Exapion fuscirostre | adult weevil |
| 5436109 | Scottish broom seed weevil | Exapion fuscirostre | adult weevil on seed pod |
| 5436110 | common St. Johnswort | Hypericum perforatum | flower |
| 5436112 | common St. Johnswort | Hypericum perforatum | plant |
| 5436128 | tansy ragwort | Senecio jacobaea | flowers |
| 5436129 | tansy ragwort | Senecio jacobaea | plant |
| 5436130 | tansy ragwort | Senecio jacobaea | infestation, Salem 2005 |
| 5436131 | tansy ragwort | Senecio jacobaea | infestation 2005 |
| 5436132 | tansy ragwort | Senecio jacobaea | rosettes in site heavily grazed and disturbed by rodents. Overgrazing by meadow voles seems to correlate with outbreaks, as they graze the grasses down, leaving tansy. |
| 5436133 | tansy ragwort | Senecio jacobaea | infestation Salem, 2005. |
| 5436135 | tansy ragwort | Senecio jacobaea | left side grazed by cattle, right side by sheep |
| 5436136 | tansy ragwort | Senecio jacobaea | rosettes in site heavily disturbed by gophers and voles |
| 5436137 | tansy ragwort | Senecio jacobaea | rosette |
| 5436148 | cinnabar moth | Tyria jacobaeae | adult cinnabar moth |
| 5436149 | cinnabar moth | Tyria jacobaeae | defoliation by cinnabar moth larvae, flower heads are heavily impacted my maturing larvae |
| 5436150 | cinnabar moth | Tyria jacobaeae | defoliation by cinnabar moth larvae, flower heads are heavily impacted my maturing larvae |
| 5436151 | cinnabar moth | Tyria jacobaeae | adult cinnabar moth |
| 5436152 | cinnabar moth | Tyria jacobaeae | beginning stage of late instar cinnabar moth larvae attack in July, compare to later defoliation. |
| 5436153 | cinnabar moth | Tyria jacobaeae | |
| 5436154 | cinnabar moth | Tyria jacobaeae | |
| 5436155 | cinnabar moth | Tyria jacobaeae | late stage of cinnabar moth larvae attack in August. |
| 5436156 | cinnabar moth | Tyria jacobaeae | late stage of cinnabar moth larvae attack in August, compare to early defoliation. |
| 5436157 | cinnabar moth | Tyria jacobaeae | late instar larvae |
| 5436158 | cinnabar moth | Tyria jacobaeae | mid-stage attack by cinnabar moth larvae |
| 5436162 | bull thistle gall fly | Urophora stylata | seed head attacked by seed head gall fly, note swollen head shape. |
| 5436163 | bull thistle | Cirsium vulgare | normal seed head not attacked by gall fly |
| 5436177 | cinnabar moth | Tyria jacobaeae | moderate defoliation by cinnabar moth. |
| 0023014 | St. John's wort beetle | Agrilus hyperici | |
| 1416045 | toadflax seed weevil | Rhinusa antirrhini | Larvae feeding inside yellow toadflax seed capsules. |
| 0022054 | peacock fly | Chaetorellia australis | |
| 1416049 | Toadflax Brocade | Calophasia lunula | |
| 0025079 | toadflax capsule weevil | Gymnetron antirrhini | |
| 1291003 | purple loosestrife | Lythrum salicaria | |
| 5435687 | cornflower | Centaurea cyanus | infestation |
| 5435709 | alpine knapweed | Centaurea nigrescens | hybrid of meadow knapweed and yellow starthistle |
| 5435924 | saltcedar | Tamarix ramosissima | AUG 2005 before defoliation event of 2008, Haystack Rock, before photo. |
| 5435857 | black-margined loosestrife beetle | Galerucella calmariensis | Horseshoe Lake 2005 after Galerucella outbreak, heavy defoliation by first generation |
| 5435688 | cornflower | Centaurea cyanus | infestation with Mt Hood in background |
| 5435785 | Mediterranean sage | Salvia aethiopis | outbreak along Abert Rim, several years after a wildfire. Weevil population controlled this by 90% the following year. |
| 5435786 | Mediterranean sage | Salvia aethiopis | infestation, heaviest where there are annual grasses (cheat grass), indicating the importance of plant competion. |
| 0025020 | purple loosestrife | Lythrum salicaria | Snake River |
| 5435808 | sulfur knapweed root moth | Agapeta zoegana | black light set up for collecting knapweed root moths |
| 5435823 | defoliating hemlock moth | Agonopterix alstroemeriana | larval tube made by - poison hemlock leaf tier |
| 5435824 | defoliating hemlock moth | Agonopterix alstroemeriana | larval tube made by - poison hemlock leaf tier |
| 5435890 | rush skeletonweed root moth | Bradyrrhoa gilveolella | field release of eggs by affixing eggs laid on paper to plants |
| 5435920 | Mediterranean tamarisk beetle | Diorhabda elongata | extreme defoliation at Haystack Rock site AUG 2008 (After photo) |
| 5435931 | Mediterranean tamarisk beetle | Diorhabda elongata | heavy defoliation at Haystack Rock. |
| 5435874 | root-boring weevil | Hylobius transversovittatus | adult feeding damage (ragged edge on center leaf) and frass (ink spot). Adults are generally nocturnal, so this is a good way to determine their presence. |
| 5435858 | black-margined loosestrife beetle | Galerucella calmariensis | extreme defoliation by Galerucella calmariensis, tall plants from previous year, shorter brown plants damaged by first generation |
| 5435800 | stem-gall nematode | Subanguina picridis | nematode galls, can heavily stunt plants. |
| 5435788 | Mediterranean sage | Salvia aethiopis | infestation in overgrazed pasture S of Lakeview |
| 5435777 | Mediterranean sage root crown weevil | Phrydiuchus tau | rosettes on left were exposed to adult weevil feeding during winter, right are control plants. |
| 5435667 | bramble leaf rust | Phragmidium violaceum | dying blackberry from rust infection, SW OR coast. |
| 5435910 | rush skeletonweed rust | Puccinia chondrillina | rust spores |
| 5435935 | saltcedar | Tamarix ramosissima | seedling carpet after flood |
| 5435936 | saltcedar | Tamarix ramosissima | seedlings after flood |
| 5435682 | gorse spider mite | Tetranychus lintearius | adult spider mites |
| 5435683 | gorse spider mite | Tetranychus lintearius | gorse spider mites |
| 5435684 | gorse spider mite | Tetranychus lintearius | adult spider mites |
| 5435685 | gorse spider mite | Tetranychus lintearius | when gorse spider mites build up heavy populations, they may form "mite-cicles" as they disperse. |
| 5435845 | puncturevine | Tribulus terrestris | seed spread |
| 5435740 | banded gall fly | Urophora affinis | larva in gall |
| 5435674 | gorse | Ulex europaeus | |
| 5435675 | gorse | Ulex europaeus | seedling carpet after burn. Baker Beach, Florence, OR. |
| 1350036 | yellow star thistle gall fly | Urophora sirunaseva | emergence hole |
| 0024085 | gorse soft shoot moth | Agonopterix ulicitella | feeding |
| 0024013 | toadflax capsule weevil | Gymnetron antirrhini | |
| 5435719 | Russian knapweed | Rhaponticum repens | |
| 5435825 | defoliating hemlock moth | Agonopterix alstroemeriana | larva - poison hemlock leaf tier |
| 5435826 | defoliating hemlock moth | Agonopterix alstroemeriana | larva - poison hemlock leaf tier |
| 5435789 | bindweed gall mite | Aceria malherbae | heavily galled plant, "bindweed broccoli" |
| 5435790 | bindweed gall mite | Aceria malherbae | Adults, nymphs and eggs in galled leaf |
| 5435791 | bindweed gall mite | Aceria malherbae | early attack by mites |
| 5435792 | bindweed gall mite | Aceria malherbae | mite galls |
| 5435794 | field bindweed | Convolvulus arvensis | unattacked plants from Aceria malherbae |
| 5435796 | bindweed gall mite | Aceria malherbae | gall mites attack regrowth after mowing |
| 5435820 | defoliating hemlock moth | Agonopterix alstroemeriana | adult moth - poison hemlock leaf tier |
| 5435821 | defoliating hemlock moth | Agonopterix alstroemeriana | adult moth - poison hemlock leaf tier |
| 5435822 | defoliating hemlock moth | Agonopterix alstroemeriana | adult moth - poison hemlock leaf tier |
| 5435807 | sulfur knapweed root moth | Agapeta zoegana | adult moth |
| 5435827 | defoliating hemlock moth | Agonopterix alstroemeriana | heavy defoliation caused by larval poison hemlock leaf tier |
| 5435828 | defoliating hemlock moth | Agonopterix alstroemeriana | heavy defoliation caused by larval poison hemlock leaf tier |
| 5435829 | defoliating hemlock moth | Agonopterix alstroemeriana | heavy stand defoliation caused by larval poison hemlock leaf tier |
| 5435698 | broad-nosed knapweed seedhead weevil | Bangasternus fausti | adult weevil |
| 5435762 | brown-legged spurge flea beetle | Aphthona lacertosa | adult flea beetles aggregating. |
| 5435763 | brown-legged spurge flea beetle | Aphthona lacertosa | Adult damage |
| 5435764 | brown-legged spurge flea beetle | Aphthona lacertosa | adult flea beetle |
| 5435765 | brown-legged spurge flea beetle | Aphthona lacertosa | adult flea beetle |
| 5435766 | brown-legged spurge flea beetle | Aphthona lacertosa | adult flea beetle |
| 5435767 | brown-legged spurge flea beetle | Aphthona lacertosa | damage by flea beetles on left has sandy soil. Area on right has clay soil and little control. |
| 5435676 | gorse soft shoot moth | Agonopterix ulicitella | adult moth |
| 5435677 | gorse soft shoot moth | Agonopterix ulicitella | |
| 5435678 | gorse soft shoot moth | Agonopterix ulicitella | larva |
| 5435689 | diffuse knapweed | Centaurea diffusa | Infestation at Tygh Valley, OR. |
| 5435690 | diffuse knapweed | Centaurea diffusa | Infestation at Tygh Valley, OR. |
| 5435691 | diffuse knapweed | Centaurea diffusa | pink flowers with spotted bracts. |
| 5435693 | diffuse knapweed | Centaurea diffusa | heavily grazed pasture with little but diffuse knapweed. |
| 5435694 | diffuse knapweed | Centaurea diffusa | pink flowers with out spotted bracts. |
| 5435695 | diffuse knapweed | Centaurea diffusa | biocontrol site, little diffuse knapweed left, not grazed for 10 years, field next to it on right is nearly solid DKW. |
| 5435708 | alpine knapweed | Centaurea nigrescens | |
| 5435697 | broad-nosed knapweed seedhead weevil | Bangasternus fausti | adult weevil |
| 5435720 | spotted knapweed | Centaurea stoebe | |
| 5435721 | spotted knapweed | Centaurea stoebe | normal flower (L) white color morph (R) |
| 5435722 | spotted knapweed | Centaurea stoebe | |
| 5435891 | rush skeletonweed root moth | Bradyrrhoa gilveolella | field release of eggs by affixing eggs laid on paper to plants |
| 5435887 | rush skeletonweed root moth | Bradyrrhoa gilveolella | neonate larva of root moth |
| 5435888 | rush skeletonweed root moth | Bradyrrhoa gilveolella | neonate larva of root moth |
| 5435900 | rush skeletonweed | Chondrilla juncea | |
| 5435901 | rush skeletonweed | Chondrilla juncea | bolting plant |
| 5435723 | spotted knapweed | Centaurea stoebe | |
| 5435724 | spotted knapweed | Centaurea stoebe | |
| 5435727 | knapweed peacock fly | Chaetorellia acrolophi | |
| 5435728 | knapweed peacock fly | Chaetorellia acrolophi | |
| 5435729 | knapweed peacock fly | Chaetorellia acrolophi | |
| 5435670 | field bindweed | Convolvulus arvensis | |
| 5435903 | rush skeletonweed | Chondrilla juncea | inestation |
| 5435904 | rush skeletonweed | Chondrilla juncea | stem base with spines |
| 5435906 | rush skeletonweed | Chondrilla juncea | rosettes |
| 5435914 | Russian thistle moth | Coleophora klimeschiella | larval damage, leaf miner |
| 5435915 | Russian thistle moth | Coleophora klimeschiella | larva in protective leaf tube |
| 5435916 | Russian thistle moth | Coleophora klimeschiella | larval feeding damage |
| 5435917 | Russian thistle moth | Coleophora klimeschiella | larva in protective leaf tube |
| 5435671 | field bindweed | Convolvulus arvensis | infestation in pear orchard, Hood River, OR. |
| 5435730 | knapweed root weevil | Cyphocleonus achates | |
| 5435731 | knapweed root weevil | Cyphocleonus achates | |
| 5435830 | poison-hemlock | Conium maculatum | flower |
| 5435831 | poison-hemlock | Conium maculatum | characteristic stem with purple spots |
| 5435732 | knapweed root weevil | Cyphocleonus achates | |
| 5435892 | skeletonweed gall midge | Cystiphora schmidti | larva and gall |
| 5435893 | skeletonweed gall midge | Cystiphora schmidti | adult midges |
| 5435894 | skeletonweed gall midge | Cystiphora schmidti | larval galls in leaf and stems |
| 5435895 | skeletonweed gall midge | Cystiphora schmidti | larval galls in stem and pupae |
| 5435896 | skeletonweed gall mite | Eriophyes chondrillae | mite galls |
| 5435897 | skeletonweed gall mite | Eriophyes chondrillae | mite galls |
| 5435921 | Mediterranean tamarisk beetle | Diorhabda elongata | outbreak of larvae |
| 5435922 | Mediterranean tamarisk beetle | Diorhabda elongata | adult |
| 5435925 | Mediterranean tamarisk beetle | Diorhabda elongata | larva |
| 5435926 | Mediterranean tamarisk beetle | Diorhabda elongata | larva |
| 5435898 | skeletonweed gall mite | Eriophyes chondrillae | mite galls |
| 5435899 | skeletonweed gall mite | Eriophyes chondrillae | mite galls have stunted plant growth |
| 5435876 | root-boring weevil | Hylobius transversovittatus | adult feeding can damage young tender stems, sometimes causing them to wilt. |
| 5435871 | root-boring weevil | Hylobius transversovittatus | |
| 5435872 | root-boring weevil | Hylobius transversovittatus | |
| 5435873 | root-boring weevil | Hylobius transversovittatus | |
| 5435680 | gorse spider mite | Tetranychus lintearius | heavy gorse spider mite webbing. |
| 5435850 | black-margined loosestrife beetle | Galerucella calmariensis | adult |
| 5435851 | black-margined loosestrife beetle | Galerucella calmariensis | adult |
| 5435852 | black-margined loosestrife beetle | Galerucella calmariensis | adult |
| 5435856 | purple loosestrife | Lythrum salicaria | Horseshoe Lake 2004 before Galerucella outbreak |
| 5435700 | lesser knapweed flower weevil | Larinus minutus | Above is adult Larinus minutus, below is Bangasternus fausti - for comparison. |
| 5435879 | root-boring weevil | Hylobius transversovittatus | larva in root, note frass packed in tunnel. |
| 5435703 | weevil | Larinus spp. | Small Larinus obtusus (L) darker reddish-brown legs, L. minutus (R) reddish legs, more grayish hairs. L. obtusus is generally larger. |
| 5435704 | lesser knapweed flower weevil | Larinus minutus | adult weevil |
| 5435733 | blunt knapweed flower weevil | Larinus obtusus | |
| 5435734 | blunt knapweed flower weevil | Larinus obtusus | |
| 5435735 | blunt knapweed flower weevil | Larinus obtusus | |
| 5435755 | lesser knapweed flower weevil | Larinus minutus | plant heavily attacked by adult weevils |
| 5435756 | lesser knapweed flower weevil | Larinus minutus | lightly attacked plant (L) heavily attacked plant (R) by adult seed weevils |
| 5435757 | diffuse knapweed | Centaurea diffusa | heavily infested site Tygh Valley, OR 2006 (compare with 2007 photo) |
| 5435758 | lesser knapweed flower weevil | Larinus minutus | Tygh Valley OR site in 2007, plant reduction over 90% |
| 5435862 | purple loosestrife | Lythrum salicaria | Horseshoe Lake 2004 before Galerucella outbreak |
| 5435846 | purple loosestrife | Lythrum salicaria | |
| 5435847 | purple loosestrife | Lythrum salicaria | |
| 5435848 | purple loosestrife | Lythrum salicaria | |
| 5435849 | purple loosestrife | Lythrum salicaria | |
| 5435839 | puncturevine seed weevil | Microlarinus lareynii | adult feeding scars (small white oval marks (left), unattacked stem (right) |
| 5435840 | puncturevine seed weevil | Microlarinus lareynii | adult feeding scars (small white oval marks (right), unattacked stem (left) |
| 5435833 | puncturevine seed weevil | Microlarinus lareynii | attacked goathead, adult weevil inside |
| 5435834 | puncturevine seed weevil | Microlarinus lareynii | newly emerged (teneral) adult weevil |
| 5435835 | puncturevine seed weevil | Microlarinus lareynii | adult seed weevil |
| 5435836 | puncturevine seed weevil | Microlarinus lareynii | adult seed weevil |
| 5435837 | puncturevine seed weevil | Microlarinus lareynii | adult seed weevil with oviposition scar just above |
| 5435774 | Mediterranean sage | Salvia aethiopis | flower close-up |
| 5435775 | Mediterranean sage | Salvia aethiopis | |
| 5435776 | Mediterranean sage | Salvia aethiopis | |
| 5435865 | flower feeding weevil | Nanophyes marmoratus | adult weevil |
| 5435867 | flower feeding weevil | Nanophyes marmoratus | adult weevil |
| 5435868 | flower feeding weevil | Nanophyes marmoratus | adult weevil feeding on flower bud. |
| 5435768 | leafy spurge stem boring beetle | Oberea erythrocephala | damage to plant by adult beetle |
| 5435769 | leafy spurge stem boring beetle | Oberea erythrocephala | damage to plant by adult beetle |
| 5435770 | leafy spurge stem boring beetle | Oberea erythrocephala | adult beetle |
| 5435771 | leafy spurge stem boring beetle | Oberea erythrocephala | adult beetle |
| 5435772 | leafy spurge stem boring beetle | Oberea erythrocephala | adult beetle |
| 5435778 | Mediterranean sage root crown weevil | Phrydiuchus tau | teneral adults often perch on bracts below flowers where they feed prior to summer aestivation |
| 5435779 | Mediterranean sage root crown weevil | Phrydiuchus tau | larva and damage in root crown |
| 5435780 | Mediterranean sage root crown weevil | Phrydiuchus tau | larvae and damage in root crown |
| 5435781 | Mediterranean sage root crown weevil | Phrydiuchus tau | adult weevil and heavy leaf damage. |
| 5435782 | Mediterranean sage root crown weevil | Phrydiuchus tau | heavy leaf damage by adult weevil feeding |
| 5435783 | Mediterranean sage root crown weevil | Phrydiuchus tau | |
| 5435784 | Mediterranean sage root crown weevil | Phrydiuchus tau | plant heavily damaged by adult weevil feeding, which does not seem to affect bolting and seed production. Major impact is caused by late fall feeding and mortality to rosettes. |
| 5435832 | defoliating hemlock moth | Agonopterix alstroemeriana | early damage stage by poison hemlock leaf tier, not rolled leaves. |
| 5435668 | bramble leaf rust | Phragmidium violaceum | infection from upper side of leaf |
| 5435669 | bramble leaf rust | Phragmidium violaceum | rust pustules from underside of leaf. |
| 5435665 | bramble leaf rust | Phragmidium violaceum | Look for the purplish spots, turn leaf over to find rust pustules. |
| 5435661 | bramble leaf rust | Phragmidium violaceum | rust pustules |
| 5435662 | bramble leaf rust | Phragmidium violaceum | telia spores |
| 5435658 | Himalaya blackberry | Rubus armeniacus | Infestation Salem, OR |
| 5435659 | Himalaya blackberry | Rubus armeniacus | |
| 5435660 | Himalaya blackberry | Rubus armeniacus | |
| 5435787 | Mediterranean sage | Salvia aethiopis | |
| 5435815 | Mediterranean sage | Salvia aethiopis | Outbreak infestation several years following a wildfire at Summer Lake, OR. |
| 5435746 | brown-winged knapweed moth | Pterolonche inspersa | Pterolonche inspersa larva (L) usually occurs below the gall by Sphenoptera jugoslavica (R) |
| 5435747 | brown-winged knapweed moth | Pterolonche inspersa | eggs may be laid on leaf surface or on leaf stalk, they are kidney bean-shaped and have a dimple in center. |
| 5435748 | brown-winged knapweed moth | Pterolonche inspersa | larva |
| 5435749 | brown-winged knapweed moth | Pterolonche inspersa | larva in root gall |
| 5435907 | rush skeletonweed rust | Puccinia chondrillina | rust pathogen on stem |
| 5435908 | rush skeletonweed rust | Puccinia chondrillina | rust pathogen on stem, note lateral stems have died |
| 5435909 | rush skeletonweed rust | Puccinia chondrillina | rust spores |
| 5435911 | rush skeletonweed rust | Puccinia chondrillina | rust spores on leaf |
| 5435912 | rush skeletonweed rust | Puccinia chondrillina | rust spores on leaf |
| 5435932 | saltcedar | Tamarix ramosissima | |
| 5435933 | saltcedar | Tamarix ramosissima | |
| 5435750 | bronze knapweed root borer | Sphenoptera jugoslavica | eggs laid at base of rosette. Blueish eggs have not hatched yet, white ones have, note frass from larvae boring into root crown. |
| 5435751 | bronze knapweed root borer | Sphenoptera jugoslavica | larva in root gall |
| 5435752 | bronze knapweed root borer | Sphenoptera jugoslavica | adult |
| 5435753 | bronze knapweed root borer | Sphenoptera jugoslavica | adult |
| 5435754 | bronze knapweed root borer | Sphenoptera jugoslavica | adult |
| 5435725 | spotted knapweed | Centaurea stoebe | |
| 5435816 | Mediterranean sage | Salvia aethiopis | wind blown plants have nearly buried a 4 foot high fence. |
| 5435817 | Mediterranean sage | Salvia aethiopis | Outbreak infestation several years following a wildfire at Summer Lake, OR. |
| 5435818 | Mediterranean sage | Salvia aethiopis | Outbreak infestation several years following a wildfire at Summer Lake, OR. |
| 5435819 | Mediterranean sage | Salvia aethiopis | Outbreak infestation several years following a wildfire at Summer Lake, OR. |
| 5435679 | gorse thrips | Sericothrips staphylinus | adults are very small |
| 5435841 | puncturevine | Tribulus terrestris | flower |
| 5435681 | gorse spider mite | Tetranychus lintearius | heavily webbed gorse by spider mite |
| 5435934 | saltcedar | Tamarix ramosissima | |
| 5435937 | saltcedar | Tamarix ramosissima | |
| 0021100 | flower feeding weevil | Nanophyes marmoratus | on flower |
| 5435672 | field bindweed moth | Tyta luctuosa | |
| 5435673 | field bindweed moth | Tyta luctuosa | |
| 5435759 | banded gall fly | Urophora affinis | male |
| 5435760 | banded gall fly | Urophora affinis | female |
| 5435741 | banded gall fly | Urophora affinis | female |
| 5435742 | banded gall fly | Urophora affinis | |
| 5435743 | banded gall fly | Urophora affinis | female ovipositing |
| 5435744 | banded gall fly | Urophora affinis | female |
| 5435745 | banded gall fly | Urophora affinis | female |
| 5435842 | puncturevine | Tribulus terrestris | plant & flower |
| 5435843 | puncturevine | Tribulus terrestris | infestation |
| 5435844 | puncturevine | Tribulus terrestris | |
| 5435761 | banded gall fly | Urophora affinis | female, (Chaetorellia acrolophi male upper left) |
| 5435656 | Himalaya blackberry | Rubus armeniacus | Fruits |
| 5435657 | Himalaya blackberry | Rubus armeniacus | fruits |
| 0021017 | gorse soft shoot moth | Agonopterix ulicitella | |
| 0023065 | Scotch thistle | Onopordum acanthium | |
| 0021075 | Mediterranean sage | Salvia aethiopis | rosette |
| 0024015 | bull thistle | Cirsium vulgare | |
| 0024028 | Italian plumeless thistle | Carduus pycnocephalus | |
| 0022070 | puncturevine | Tribulus terrestris | |
| 0024033 | blessed milkthistle | Silybum marianum | |
| 1350020 | yellow star thistle gall fly | Urophora sirunaseva | Urophora sirunaseva gall |
| 0022086 | golden loosestrife beetle | Galerucella pusilla | purple loosestrife before release of Galerucella pusilla |
| 0021096 | golden loosestrife beetle | Galerucella pusilla | |
| 0022075 | purple loosestrife | Lythrum salicaria | |
| 0022060 | yellow starthistle flower weevil | Larinus curtus | on flower |
| 0021099 | root-boring weevil | Hylobius transversovittatus | |
| 1350035 | yellow star thistle gall fly | Urophora sirunaseva | woody gall |
| 1291030 | root-boring weevil | Hylobius transversovittatus | Wading pools used to grow purple loosestrife and to rear beetles |
| 0022087 | golden loosestrife beetle | Galerucella pusilla | purple loosestrife after release of Galerucella pusilla |
| 0023032 | ragwort seed fly | Botanophila seneciella | exudate from feeding |
| 0024030 | Italian plumeless thistle | Carduus pycnocephalus | |
| 0021074 | Mediterranean sage | Salvia aethiopis | |
| 0021040 | meadow knapweed | Centaurea moncktonii | |
| 0021086 | poison-hemlock | Conium maculatum | |
| 0021041 | meadow knapweed | Centaurea moncktonii | |
| 0026034 | Canada thistle bud weevil | Larinus planus | on flower bud |
| 0021076 | Mediterranean sage | Salvia aethiopis | |
| 0024029 | Italian plumeless thistle | Carduus pycnocephalus | |
| 0023001 | Scotch broom | Cytisus scoparius | |
| 0021073 | Mediterranean sage | Salvia aethiopis | |
| 0024032 | blessed milkthistle | Silybum marianum | |
| 0022069 | puncturevine | Tribulus terrestris | |
| 0023033 | tansy ragwort | Senecio jacobaea | in flower |
| 0021072 | Mediterranean sage | Salvia aethiopis | in flower |
| 0021042 | meadow knapweed | Centaurea moncktonii | |
| 0021029 | gorse spider mite | Tetranychus lintearius | |
| 0021087 | poison-hemlock | Conium maculatum | |
| 0023002 | Scottish broom seed weevil | Exapion fuscirostre | biological agent of Scotch Broom |
| 0023037 | ragwort flea beetle | Longitarsus jacobaea | Before release |
| 0023038 | ragwort flea beetle | Longitarsus jacobaea | After release |
| 0022085 | flower feeding weevil | Nanophyes marmoratus | |
| 0022100 | Scottish broom seed weevil | Exapion fuscirostre | Bill Reynolds collecting in ten foot tall plants |
| 0024088 | gorse spider mite | Tetranychus lintearius | webbing |
