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Hemiptera

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Neoptera
Subclass: Pterygota
Order: Hemiptera
Remove Filters: Gallmaker Insects(X) Conifer(X) United States(X)
195 Images of 9 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5212014 cooley spruce gall adelgid Adelges cooleyi 6/30/07; On a small spruce tree in the park. Caused by Aphid-like insects that cause the plant to produce these characteristic galls.
5212013 cooley spruce gall adelgid Adelges cooleyi 6/30/07; On a small spruce tree in the park. Caused by Aphid-like insects that cause the plant to produce these characteristic galls.
5212012 cooley spruce gall adelgid Adelges cooleyi 6/30/07; On a small spruce tree in the park. Caused by Aphid-like insects that cause the plant to produce these characteristic galls.
2122020 cooley spruce gall adelgid Adelges cooleyi Gall
2122021 cooley spruce gall adelgid Adelges cooleyi Gall. Fort Collins, CO
1241746 balsam woolly adelgid Adelges piceae Swelling (gouting) around buds and branch nodes.
1593004 cooley spruce gall adelgid Adelges cooleyi Wool-covered adelgids on their alternate host, Douglas-fir. 
1593055 eastern spruce gall adelgid Adelges abietis Older galls
1593005 eastern spruce gall adelgid Adelges abietis Odler galls caused by eastern spruce gall adelgid
1626090 eastern spruce gall adelgid Adelges abietis Immature females overwinter beneath a wax coat at the base of spruce buds.
0795072 balsam woolly adelgid Adelges piceae crawler
1123026 cooley spruce gall adelgid Adelges cooleyi Overwinting immatures in early spring
1123027 eastern spruce gall adelgid Adelges abietis Overwintering immatures in spring
5445209 cooley spruce gall adelgid Adelges cooleyi Galls on terminals of Engelmann spruce
5461168 pine and spruce adelgids Pineus spp. Slide mount by Bert Lindsey.  Collected in Davis, CA. off Pinus spp.
5445208 cooley spruce gall adelgid Adelges cooleyi Adults swollen with eggs on underside of spruce terminals
1546186 balsam woolly adelgid Adelges piceae
5445210 cooley spruce gall adelgid Adelges cooleyi heavy infestation of Engelmann spruce
5445207 cooley spruce gall adelgid Adelges cooleyi Late stage nymphs within spruce gall
5445206 cooley spruce gall adelgid Adelges cooleyi early stage nymphs within spruce galls
5445204 cooley spruce gall adelgid Adelges cooleyi
5445205 cooley spruce gall adelgid Adelges cooleyi with eggs
5445203 cooley spruce gall adelgid Adelges cooleyi
5443235 cooley spruce gall adelgid Adelges cooleyi Galls in initial stage of opening prior ro disprsal of the Cooley spruce gall adelgids
5443237 cooley spruce gall adelgid Adelges cooleyi Gall broken open to show developing Cooley spruce gall adelgids
5443238 cooley spruce gall adelgid Adelges cooleyi Cross-section of gall with developing Cooley spruce gall adelgids
1626089 eastern spruce gall adelgid Adelges abietis Eastern spruce galls occur at the base of new shoots. They are found primarily on Norway spruce, but also on white, red, and Colorado blue spruce.
4836003 pine leaf adelgid Pineus pinifoliae winged adult with reddish eggs under wings can be found on previous year's needles
4836011 eastern spruce gall adelgid Adelges abietis new galls
2721073 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 3 Great Smokey Mountains National Park stand killed
2721074 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 1 stand killed - Great Smokey Mountains National Park
2254012 cooley spruce gall adelgid Adelges cooleyi mass
2254013 cooley spruce gall adelgid Adelges cooleyi aphid mass covered with white waxy coating,
2253068 balsam woolly adelgid Adelges piceae note white appearance on tree bole
2252063 cooley spruce gall adelgid Adelges cooleyi on young douglas fir
1173002 cooley spruce gall adelgid Adelges cooleyi Cooley spruce gall adelgid
0907011 pine leaf adelgid Pineus pinifoliae feeding results in flagged lateral shoot tips that begin to appear in mid-summer
0805052 spruce gall aphids Adelges spp. on spruce
0795073 balsam woolly adelgid Adelges piceae killed trees
0717010 eastern spruce gall adelgid Adelges abietis A common pest on both Christmas trees and yard plantings. Note the short needles on the gall.
0717008 cooley spruce gall adelgid Adelges cooleyi Heavily galled trees become disfigured and have reduced value as Christmas trees.
0717007 cooley spruce gall adelgid Adelges cooleyi This is as the gall would appear in early summer or late fall. It would appear green earlier in the summer.
1325030 cooley spruce gall adelgid Adelges cooleyi
1325021 cooley spruce gall adelgid Adelges cooleyi on Douglas-fir
1325022 cooley spruce gall adelgid Adelges cooleyi winged adults emergin from spruce gall
1325023 cooley spruce gall adelgid Adelges cooleyi female with egg mass
1325028 cooley spruce gall adelgid Adelges cooleyi overwintered female on twig
1201013 balsam woolly adelgid Adelges piceae 8-24-56 at Wind River Arboretum
0805051 spruce gall aphids Adelges spp. galls on white spruce
4212053 eastern spruce gall adelgid Adelges abietis old galls
1241564 cooley spruce gall adelgid Adelges cooleyi Galls on branch tips contain developing nymphs. Opened galls are red-brown, turning gray with age, and resemble small cones.
0488057 spruce gall adelgid Pineus similis on spruce
1241748 balsam woolly adelgid Adelges piceae
1468270 balsam woolly adelgid Adelges piceae
1344039 balsam woolly adelgid Adelges piceae Needle mortality
4212052 eastern spruce gall adelgid Adelges abietis
1241745 balsam woolly adelgid Adelges piceae Crown symptoms of subalpine fir being killed by balsam woolly adelgid.
0907021 cooley spruce gall adelgid Adelges cooleyi on douglas fir, under flocculence Note:syrphid fly larva preying on adelgids
1246053 cooley spruce gall adelgid Adelges cooleyi Galls on heavily infested tree
0805085 spruce gall aphids Adelges spp.
1326081 cooley spruce gall adelgid Adelges cooleyi Alate stage emerged from gall
1344004 balsam woolly adelgid Adelges piceae
1626088 cooley spruce gall adelgid Adelges cooleyi
5430553 eastern spruce gall adelgid Adelges abietis
5430558 eastern spruce gall adelgid Adelges abietis
5430559 eastern spruce gall adelgid Adelges abietis
5430560 eastern spruce gall adelgid Adelges abietis
0795076 balsam woolly adelgid Adelges piceae
5430564 eastern spruce gall adelgid Adelges abietis
5430561 eastern spruce gall adelgid Adelges abietis
5430563 eastern spruce gall adelgid Adelges abietis
5430554 eastern spruce gall adelgid Adelges abietis
5430555 eastern spruce gall adelgid Adelges abietis
5430556 eastern spruce gall adelgid Adelges abietis
5430557 eastern spruce gall adelgid Adelges abietis
1458080 balsam woolly adelgid Adelges piceae Defoliation of fraser fir; 1973
5395241 balsam woolly adelgid Adelges piceae
5395246 cooley spruce gall adelgid Adelges cooleyi
5395256 pine leaf adelgid Pineus pinifoliae
5395260 spruce gall adelgid Pineus similis
5395245 balsam woolly adelgid Adelges piceae
1587167 cooley spruce gall adelgid Adelges cooleyi
0488049 balsam woolly adelgid Adelges piceae
1325033 eastern spruce gall adelgid Adelges abietis
1748037 balsam woolly adelgid Adelges piceae
2253069 balsam woolly adelgid Adelges piceae note characteristic white of tree bole
0590100 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
0590098 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
1587070 balsam woolly adelgid Adelges piceae Balsam woolly adelgid on subalpine fir, infestation and mortality at edge of avalanche chute
1587068 balsam woolly adelgid Adelges piceae
1587074 balsam woolly adelgid Adelges piceae abnormal crown
1587075 balsam woolly adelgid Adelges piceae abnormal crown
1587073 balsam woolly adelgid Adelges piceae abnormal crown
1587072 balsam woolly adelgid Adelges piceae abnormal crown
1587083 spruce gall aphids Adelges spp.
1344115 balsam woolly adelgid Adelges piceae Taking DBH of one of our long-term monitoring firs
2253020 balsam woolly adelgid Adelges piceae
1748036 balsam woolly adelgid Adelges piceae
0907022 eastern spruce gall adelgid Adelges abietis old galls found at the base of new shoots. Note: twig tip mortality
0907023 spruce gall adelgid Pineus similis galls form at the end of new growth and are often covered with needles making twigs appear scraggly
1325035 cooley spruce gall adelgid Adelges cooleyi on Douglas-fir
1748043 balsam woolly adelgid Adelges piceae
1344114 balsam woolly adelgid Adelges piceae Heavy tree mortality
1476091 cooley spruce gall adelgid Adelges cooleyi overwintered female with eggmass
1476092 cooley spruce gall adelgid Adelges cooleyi mature female on douglas fir needles
5042006 eastern spruce gall adelgid Adelges abietis Galls on white spruce
0717006 cooley spruce gall adelgid Adelges cooleyi Spruce trees growing in close association with Douglas-fir often have the Cooley Spruce Gall Adelgid. In this slide, the Douglas-fir is on the left; Norway spruce is on the right.
5371372 blade spruce Gall adelgid Adelges laricis
0758020 cooley spruce gall adelgid Adelges cooleyi Green gall with nymphs
1510052 balsam woolly adelgid Adelges piceae Ground application of chemical pesticide for control of balsam woolly adelgid along roadside zone, Mt. Mitchell State Park, NC
5369777 hackberry nipplegall maker Pachypsylla celtidismamma Cast skins following emergence of adults from galls in September
5369766 hackberry nipplegall maker Pachypsylla celtidismamma Cast skins following emergence of adults from galls in September
5369749 cooley spruce gall adelgid Adelges cooleyi Dred galls on Colorado blue spruce
5369748 cooley spruce gall adelgid Adelges cooleyi Infestation on Douglas-fir cone
5360705 cooley spruce gall adelgid Adelges cooleyi Galls on blue spruce branches, typical of infestation by the cooley spruce gall adelgid (Adelges cooleyi).
0758233 balsam woolly adelgid Adelges piceae Oblique color infrared aerial photo of tree mortality caused by balsam woolly adelgid, Roan Mountain, NC and TN.
0758232 balsam woolly adelgid Adelges piceae Oblique color aerial photo of trees dying as a result of balsam woolly adlegid infestation, Roan Mountain, NC and TN.
1510050 balsam woolly adelgid Adelges piceae Balsam wooly adelgid killed frazier fir
1510051 balsam woolly adelgid Adelges piceae Gouting of Frasier fir from balsam wooly adelgid
1510053 balsam woolly adelgid Adelges piceae Balsam wooly adelgid infested fir bole
1510086 balsam woolly adelgid Adelges piceae Balsam wooly adelgid caused mortality
0355019 spruce gall aphids Adelges spp. thinning crowns
2254044 cooley spruce gall adelgid Adelges cooleyi
5188003 pine leaf adelgid Pineus pinifoliae Aphids within gall
5188004 pine leaf adelgid Pineus pinifoliae Old gall
5188005 pine leaf adelgid Pineus pinifoliae Current season gall
0718044 cooley spruce gall adelgid Adelges cooleyi
2167003 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167005 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167006 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167007 balsam woolly adelgid Adelges piceae gout on Fraser fir
2167008 balsam woolly adelgid Adelges piceae Gout on Fraser fir
2167009 balsam woolly adelgid Adelges piceae Gout on Fraser fir
3036038 balsam woolly adelgid Adelges piceae Parking lot at Mt. Mitchel from visitor tower
5018060 cooley spruce gall adelgid Adelges cooleyi
5018061 cooley spruce gall adelgid Adelges cooleyi
5018062 cooley spruce gall adelgid Adelges cooleyi
5018063 blade spruce Gall adelgid Adelges laricis and eggs
5018064 blade spruce Gall adelgid Adelges laricis
5018059 eastern spruce gall adelgid Adelges abietis
2182032 spruce gall adelgid Pineus similis
2182033 spruce gall adelgid Pineus similis gall
2182034 spruce gall adelgid Pineus similis
2181084 balsam woolly adelgid Adelges piceae
2181085 balsam woolly adelgid Adelges piceae
1518059 balsam woolly adelgid Adelges piceae Stem attack on Abies fraseri, Mt. Mitchell State Park, NC, ca 1961.
2721075 balsam woolly adelgid Adelges piceae Clingman's Dome Category: Damage 2 stand killed - Great Smokey Mountains National Park
5004096 balsam woolly adelgid Adelges piceae
5004099 balsam woolly adelgid Adelges piceae
5004100 balsam woolly adelgid Adelges piceae
1468263 cooley spruce gall adelgid Adelges cooleyi
1458057 balsam woolly adelgid Adelges piceae pesticide application
1458079 balsam woolly adelgid Adelges piceae
1458105 balsam woolly adelgid Adelges piceae
1394077 pine leaf adelgid Pineus pinifoliae
1123019 cooley spruce gall adelgid Adelges cooleyi nymph on needle at budbreak, Spring 2002
1344030 balsam woolly adelgid Adelges piceae Spraying trees
1344113 balsam woolly adelgid Adelges piceae Using a lens to check for BWA on Mature Fraser Fir trees used in long-term monitoring plots
1748044 balsam woolly adelgid Adelges piceae
1748041 balsam woolly adelgid Adelges piceae
1748042 balsam woolly adelgid Adelges piceae
1748040 balsam woolly adelgid Adelges piceae
1748039 balsam woolly adelgid Adelges piceae
1254058 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1254056 cooley spruce gall adelgid Adelges cooleyi Fort Collins, CO.
1254057 cooley spruce gall adelgid Adelges cooleyi Green gall, Fort Collins, CO.
1241747 balsam woolly adelgid Adelges piceae "Wool"-covered females as they appear during summer.
1241744 balsam woolly adelgid Adelges piceae
1241563 cooley spruce gall adelgid Adelges cooleyi Alternate stage appear as tufts of cotton on needles and black "dots" of the crawler stage on new growth.
1325040 pine leaf adelgid Pineus pinifoliae galls on spruce
1325031 cooley spruce gall adelgid Adelges cooleyi needle twisting associated with Douglas-fir
1325032 cooley spruce gall adelgid Adelges cooleyi
1325034 cooley spruce gall adelgid Adelges cooleyi nymphs and wax-coated honeydew droplets within gall
1325036 cooley spruce gall adelgid Adelges cooleyi newly hatched nymphs settled at base of newly emerging spruce needles
1325029 cooley spruce gall adelgid Adelges cooleyi overwintering form in late winter
1325024 cooley spruce gall adelgid Adelges cooleyi overwintered female on twig
1325025 cooley spruce gall adelgid Adelges cooleyi symptoms of injury within week of initial infestation of terminal growth
1325026 cooley spruce gall adelgid Adelges cooleyi within spruce gall
1325027 cooley spruce gall adelgid Adelges cooleyi winged adults emerging from spruce gall
0795074 balsam woolly adelgid Adelges piceae on Richland balsam at Mt. Mitchell
1441103 spruce gall aphids Adelges spp. laid by overwintering female on needle
0590099 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
0364001 balsam woolly adelgid Adelges piceae stand mortality at Mt. Mitchell
0014100 balsam woolly adelgid Adelges piceae note regeneration at Mt. Mitchell
1201014 balsam woolly adelgid Adelges piceae 8-17-63 RGM
1201015 balsam woolly adelgid Adelges piceae gouts, W. Gay, K. Wright - Jan. 1957
3227014 balsam woolly adelgid Adelges piceae at Clingman's Dome
3227015 balsam woolly adelgid Adelges piceae at Mt. Mitchell, North Carolina
2252066 balsam woolly adelgid Adelges piceae close-up
2254052 balsam woolly adelgid Adelges piceae on subalpine fir
1748038 balsam woolly adelgid Adelges piceae
1678062 balsam woolly adelgid Adelges piceae gouting damage
1678065 cooley spruce gall adelgid Adelges cooleyi gall on engelmann spruce
0907020 cooley spruce gall adelgid Adelges cooleyi gall
0795077 balsam woolly adelgid Adelges piceae "Red holz" or butterscotch wood of an infested tree

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