| 5495200 |
willow scale |
Diaspidiotus gigas |
Scale on aspen bark |
| 5495201 |
willow scale |
Diaspidiotus gigas |
Willow scale crawler |
| 5495202 |
willow scale |
Diaspidiotus gigas |
|
| 5495193 |
phylloxera |
Phylloxera popularia |
Collected from Populus tremuloides. Crawler |
| 5495263 |
long-horned beetle |
Neoclytus spp. |
|
| 5495268 |
cicadas |
|
|
| 5495177 |
clover root curculio |
Sitona hispidulus |
Host for this insect is Medicago sativa. Dorsal and lateral view of adult |
| 5488935 |
narcissus bulb fly |
Merodon equestris |
Full grown larva in damaged daffodil bulb |
| 5488950 |
bird mites |
Dermanyssus spp. |
Bird mite on tape collected from school child |
| 5490240 |
citrus leafminer |
Phyllocnistis citrella |
leafmining of citrus |
| 1455123 |
Dermestid beetles |
|
Cast skins of larvae |
| 1490002 |
polyphemus moth |
Antheraea polyphemus |
Close-up of eyespots on hind wing |
| 5480131 |
bark beetle |
Scolytodes schwarzi |
|
| 5480132 |
bark beetle |
Scolytodes schwarzi |
|
| 5480133 |
bark beetle |
Scolytodes schwarzi |
Club. |
| 5480130 |
bark beetle |
Scolytodes schwarzi |
|
| 5480129 |
bark beetle |
Scolytodes schwarzi |
Declivity. |
| 5480125 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
|
| 5480126 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
|
| 5480127 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
Declivity. |
| 5480124 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
Club. |
| 5480123 |
small oak bark beetle |
Pseudopityophthorus minutissimus |
|
| 5480113 |
walnut twig beetle |
Pityophthorus juglandis |
|
| 5480114 |
walnut twig beetle |
Pityophthorus juglandis |
|
| 5480112 |
walnut twig beetle |
Pityophthorus juglandis |
|
| 5480109 |
shrub bark beetle |
Hylocurus hirtellus |
|
| 5480111 |
walnut twig beetle |
Pityophthorus juglandis |
Declivity. |
| 5480110 |
walnut twig beetle |
Pityophthorus juglandis |
Club. |
| 5478667 |
ambrosia beetle |
Theoborus ricini |
|
| 5478663 |
ambrosia beetle |
Theoborus ricini |
Declivity. |
| 5478664 |
ambrosia beetle |
Theoborus ricini |
Club. |
| 5478665 |
ambrosia beetle |
Theoborus ricini |
|
| 5478666 |
ambrosia beetle |
Theoborus ricini |
|
| 5478029 |
bark beetle |
Dryoxylon onoharaensis |
Club. |
| 5478030 |
bark beetle |
Dryoxylon onoharaensis |
Declivity. |
| 5478031 |
bark beetle |
Dryoxylon onoharaensis |
|
| 5478032 |
bark beetle |
Dryoxylon onoharaensis |
|
| 5478033 |
bark beetle |
Dryoxylon onoharaensis |
|
| 5478668 |
bark beetle |
Trischidias atoma |
|
| 5478637 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
|
| 5478602 |
large elm beetle |
Scolytus scolytus |
Declivity. |
| 5478648 |
ambrosia beetle |
Xyloterinus politus |
|
| 5478649 |
ambrosia beetle |
Xyloterinus politus |
|
| 5478650 |
ambrosia beetle |
Xyloterinus politus |
|
| 5478646 |
ambrosia beetle |
Xyloterinus politus |
Club. |
| 5478647 |
ambrosia beetle |
Xyloterinus politus |
Declivity. |
| 5478642 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
Declivity. |
| 5478643 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
|
| 5478644 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
|
| 5478645 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
|
| 5478639 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
|
| 5478640 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
|
| 5478641 |
granulate ambrosia beetle |
Xylosandrus crassiusculus |
Club. |
| 5478638 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
|
| 5478636 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
Declivity. |
| 5478635 |
fruit-tree pinhole borer |
Xyleborinus saxeseni |
Club. |
| 5478624 |
bark beetle |
Trischidias atoma |
|
| 5478620 |
bark beetle |
Trischidias atoma |
Club. |
| 5478621 |
bark beetle |
Trischidias atoma |
Declivity. |
| 5478622 |
bark beetle |
Trischidias atoma |
|
| 5478662 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
|
| 5478658 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
|
| 5478659 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
Club. |
| 5478660 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
Declivity. |
| 5478661 |
foureyed spruce bark beetle |
Polygraphus rufipennis |
|
| 5478617 |
larger pine shoot beetle |
Tomicus piniperda |
Declivity. |
| 5478618 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5478619 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5478615 |
larger pine shoot beetle |
Tomicus piniperda |
Club. |
| 5478616 |
larger pine shoot beetle |
Tomicus piniperda |
|
| 5478652 |
large elm beetle |
Scolytus scolytus |
|
| 5478604 |
large elm beetle |
Scolytus scolytus |
|
| 5478601 |
large elm beetle |
Scolytus scolytus |
Club. |
| 5478600 |
large elm beetle |
Scolytus scolytus |
|
| 5478589 |
silver fir beetle |
Pseudohylesinus sericeus |
|
| 5478587 |
silver fir beetle |
Pseudohylesinus sericeus |
Declivity. |
| 5478588 |
silver fir beetle |
Pseudohylesinus sericeus |
|
| 5478586 |
silver fir beetle |
Pseudohylesinus sericeus |
Club. |
| 5478583 |
Monterey pine ips |
Pseudips mexicanus |
|
| 5478584 |
Monterey pine ips |
Pseudips mexicanus |
|
| 5478585 |
silver fir beetle |
Pseudohylesinus sericeus |
|
| 5478580 |
Monterey pine ips |
Pseudips mexicanus |
Club. |
| 5478581 |
Monterey pine ips |
Pseudips mexicanus |
Declivity. |
| 5478582 |
Monterey pine ips |
Pseudips mexicanus |
|
| 5477359 |
redwood bark beetle |
Phloeosinus sequoiae |
Declivity. |
| 5477363 |
redwood bark beetle |
Phloeosinus sequoiae |
Club. |
| 5477355 |
seed beetle |
Pagiocerus frontalis |
Declivity. |
| 5477257 |
bark beetle |
Orthotomicus caelatus |
Declivity. |
| 5477259 |
bark beetle |
Orthotomicus caelatus |
Club. |
| 5477350 |
bark beetle |
Micracis swainei |
Club. |
| 5477351 |
bark beetle |
Micracis swainei |
Declivity. |
| 5477341 |
bark beetle |
Hypothenemus crudiae |
Declivity. |
| 5477346 |
pine engraver |
Ips pini |
Club. |
| 5477347 |
pine engraver |
Ips pini |
Declivity. |
| 5477337 |
mango bark beetle |
Hypocryphalus mangiferae |
Declivity. |
| 5477340 |
bark beetle |
Hypothenemus crudiae |
Club. |
| 5477336 |
mango bark beetle |
Hypocryphalus mangiferae |
Club. |
| 5477330 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Club. |
| 5477331 |
goldenhaired bark beetle |
Hylurgus ligniperda |
Declivity. |
| 5477326 |
clover root borer |
Hylastinus obscurus |
Declivity. |
| 5477321 |
bark beetle |
Hylastes gracilis |
Clubs. |
| 5477322 |
bark beetle |
Hylastes gracilis |
Declivity. |
| 5477325 |
clover root borer |
Hylastinus obscurus |
Club. |
| 5477316 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Declivity. |
| 5477315 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Club. |
| 5477254 |
shot-hole borer of tea |
Euwallacea fornicatus |
Club. |
| 5477250 |
shot-hole borer of tea |
Euwallacea fornicatus |
Declivity. |
| 5477311 |
western balsam bark beetle |
Dryocoetes confusus |
Club. |
| 5477312 |
western balsam bark beetle |
Dryocoetes confusus |
Declivity. |
| 5477300 |
bark beetle |
Dendrosinus bourreriae |
Club. |
| 5477301 |
bark beetle |
Dendrosinus bourreriae |
Declivity. |
| 5477297 |
mountain pine beetle |
Dendroctonus ponderosae |
Declivity. |
| 5477296 |
mountain pine beetle |
Dendroctonus ponderosae |
Club. |
| 5477555 |
bark beetle |
Cryphalus ruficollis |
Declivity. |
| 5477551 |
bark beetle |
Cryphalus ruficollis |
Club. |
| 5477290 |
pitted ambrosia beetle |
Corthylus punctatissimus |
Club. |
| 5477291 |
pitted ambrosia beetle |
Corthylus punctatissimus |
Declivity. |
| 5477286 |
lodgepole cone beetle |
Conophthorus ponderosae |
Declivity. |
| 5477284 |
bark beetle |
Coccotrypes dactyliperda |
Declivity. |
| 5477285 |
lodgepole cone beetle |
Conophthorus ponderosae |
Club. |
| 5477280 |
bark beetle |
Coccotrypes dactyliperda |
Club. |
| 5477275 |
bark beetle |
Cnesinus strigicollis |
Club. |
| 5477276 |
bark beetle |
Cnesinus strigicollis |
Declivity. |
| 5477273 |
bark beetle |
Chramesus hicoriae |
Declivity. |
| 5477272 |
bark beetle |
Chramesus hicoriae |
Club. |
| 5477265 |
ambrosia beetle |
Ambrosiodmus lecontei |
Club. |
| 5477266 |
ambrosia beetle |
Ambrosiodmus lecontei |
Declivity. |
| 5477261 |
alder bark beetle |
Alniphagus aspericollis |
Club. |
| 5477262 |
alder bark beetle |
Alniphagus aspericollis |
Declivity. |
| 5477360 |
redwood bark beetle |
Phloeosinus sequoiae |
|
| 5477361 |
redwood bark beetle |
Phloeosinus sequoiae |
|
| 5477362 |
redwood bark beetle |
Phloeosinus sequoiae |
|
| 5477356 |
seed beetle |
Pagiocerus frontalis |
|
| 5477357 |
seed beetle |
Pagiocerus frontalis |
|
| 5477358 |
seed beetle |
Pagiocerus frontalis |
|
| 5477258 |
bark beetle |
Orthotomicus caelatus |
|
| 5477255 |
bark beetle |
Orthotomicus caelatus |
|
| 5477256 |
bark beetle |
Orthotomicus caelatus |
|
| 5477352 |
bark beetle |
Micracis swainei |
|
| 5477353 |
bark beetle |
Micracis swainei |
|
| 5477354 |
bark beetle |
Micracis swainei |
|
| 5477348 |
pine engraver |
Ips pini |
|
| 5477349 |
pine engraver |
Ips pini |
|
| 5477345 |
pine engraver |
Ips pini |
|
| 5477342 |
bark beetle |
Hypothenemus crudiae |
|
| 5477343 |
bark beetle |
Hypothenemus crudiae |
|
| 5477344 |
bark beetle |
Hypothenemus crudiae |
|
| 5477339 |
mango bark beetle |
Hypocryphalus mangiferae |
|
| 5477338 |
mango bark beetle |
Hypocryphalus mangiferae |
|
| 5477334 |
goldenhaired bark beetle |
Hylurgus ligniperda |
|
| 5477335 |
mango bark beetle |
Hypocryphalus mangiferae |
|
| 5477332 |
goldenhaired bark beetle |
Hylurgus ligniperda |
|
| 5477333 |
goldenhaired bark beetle |
Hylurgus ligniperda |
|
| 5477328 |
clover root borer |
Hylastinus obscurus |
|
| 5477329 |
clover root borer |
Hylastinus obscurus |
|
| 5477327 |
clover root borer |
Hylastinus obscurus |
|
| 5477323 |
bark beetle |
Hylastes gracilis |
|
| 5477324 |
bark beetle |
Hylastes gracilis |
|
| 5477320 |
bark beetle |
Hylastes gracilis |
|
| 5477317 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
|
| 5477318 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
|
| 5477319 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
|
| 5477253 |
shot-hole borer of tea |
Euwallacea fornicatus |
|
| 5477251 |
shot-hole borer of tea |
Euwallacea fornicatus |
|
| 5477252 |
shot-hole borer of tea |
Euwallacea fornicatus |
|
| 5477314 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 5477308 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 5477305 |
western balsam bark beetle |
Dryocoetes confusus |
|
| 5477303 |
bark beetle |
Dendrosinus bourreriae |
|
| 5477304 |
bark beetle |
Dendrosinus bourreriae |
|
| 5477302 |
bark beetle |
Dendrosinus bourreriae |
|
| 5477298 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 5477299 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 5477295 |
mountain pine beetle |
Dendroctonus ponderosae |
|
| 5477554 |
bark beetle |
Cryphalus ruficollis |
|
| 5477552 |
bark beetle |
Cryphalus ruficollis |
|
| 5477553 |
bark beetle |
Cryphalus ruficollis |
|
| 5477292 |
pitted ambrosia beetle |
Corthylus punctatissimus |
|
| 5477293 |
pitted ambrosia beetle |
Corthylus punctatissimus |
|
| 5477294 |
pitted ambrosia beetle |
Corthylus punctatissimus |
|
| 5477288 |
lodgepole cone beetle |
Conophthorus ponderosae |
|
| 5477289 |
lodgepole cone beetle |
Conophthorus ponderosae |
|
| 5477287 |
lodgepole cone beetle |
Conophthorus ponderosae |
|
| 5477282 |
bark beetle |
Coccotrypes dactyliperda |
|
| 5477283 |
bark beetle |
Coccotrypes dactyliperda |
|
| 5477281 |
bark beetle |
Coccotrypes dactyliperda |
|
| 5477278 |
bark beetle |
Cnesinus strigicollis |
|
| 5477279 |
bark beetle |
Cnesinus strigicollis |
|
| 5477277 |
bark beetle |
Cnesinus strigicollis |
|
| 5477274 |
bark beetle |
Chramesus hicoriae |
|
| 5477270 |
bark beetle |
Chramesus hicoriae |
|
| 5477271 |
bark beetle |
Chramesus hicoriae |
|
| 5477269 |
ambrosia beetle |
Ambrosiodmus lecontei |
|
| 5477268 |
ambrosia beetle |
Ambrosiodmus lecontei |
|
| 5477267 |
ambrosia beetle |
Ambrosiodmus lecontei |
|
| 5477263 |
alder bark beetle |
Alniphagus aspericollis |
|
| 5477264 |
alder bark beetle |
Alniphagus aspericollis |
|
| 5477260 |
alder bark beetle |
Alniphagus aspericollis |
|
| 5422280 |
achemon sphinx |
Eumorpha achemon |
Close-up showing spiracles |
| 5188062 |
stonefly |
Perlesta cranshawi |
Adult, underside of head and thorax. A newly described species from Virginia |
| 1476113 |
pin oak kermes |
Allokermes galliformis |
Kermes scale and assocaited sticky ooze |
| 1476114 |
pin oak kermes |
Allokermes galliformis |
|
| 5432764 |
linden looper |
Erannis tiliaria |
|
| 1326008 |
oak rough bulletgall wasp |
Disholcaspis quercusmamma |
Winged adult form |
| 1476115 |
bark lice (Family Psocidae) |
|
lifestage
psocid found in association with kermes scale |
| 1476107 |
casemaking clothes moth |
Tinea pellionella |
adult and assocaited pupal case |
| 1476101 |
western flower thrips |
Frankliniella occidentalis |
instar II nymph |
| 1246076 |
western bat bug |
Cimex pilosellus |
|
| 1246080 |
western bat bug |
Cimex pilosellus |
|
| 5364210 |
red sunflower seed weevil |
Smicronyx fulvus |
Larva in a sunflower seed. |
| 1326025 |
white pine weevil |
Pissodes strobi |
|
| 1455081 |
broadwinged katydid |
Microcentrum rhombifolium |
|
| 1326147 |
black pineleaf scale |
Dynaspidiotus californica |
Close up of scales on Blue Spruce. |
| 1243002 |
vegetable leafminer |
Liriomyza sativae |
Larva within tunnel of onion. |
| 1326196 |
hawthorn mealybug |
Phenacoccus dearnessi |
on Hawthorn. |
| 1325035 |
cooley spruce gall adelgid |
Adelges cooleyi |
on Douglas-fir |
| 1476076 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
Late instar nymph exposed within gall |
| 1476077 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
late instar nymph exposed with gall |
| 1476078 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
newly emerged adult next to gall |
| 1476079 |
hackberry nipplegall maker |
Pachypsylla celtidismamma |
newly emerged adult next to gall |
| 1476080 |
potato/tomato psyllid |
Paratrioza cockerelli |
adult, late stage nymph and cast skin |
| 1476081 |
potato/tomato psyllid |
Paratrioza cockerelli |
|
| 1476082 |
potato/tomato psyllid |
Paratrioza cockerelli |
nymphs, including nymoh enclosing from nymphal skin |
| 1476083 |
potato/tomato psyllid |
Paratrioza cockerelli |
|
| 1476084 |
boxelder aphid |
Periphyllus negundinis |
|
| 1476085 |
elm leaf aphid |
Tinocallis ulmifolii |
nymph of an alate form with wing pads |
| 1476086 |
elm leaf aphid |
Tinocallis ulmifolii |
|
| 1476087 |
giant conifer aphids |
Cinara spp. |
colony on juniper twig |
| 1476091 |
cooley spruce gall adelgid |
Adelges cooleyi |
overwintered female with eggmass |
| 1476092 |
cooley spruce gall adelgid |
Adelges cooleyi |
mature female on douglas fir needles |
| 1476096 |
pear sawfly |
Caliroa cerasi |
early instar larvae near hatched egg |
| 1476110 |
oak rough bulletgall wasp |
Disholcaspis quercusmamma |
pupal covering |
| 1476111 |
oak rough bulletgall wasp |
Disholcaspis quercusmamma |
pupa removed from pupal chamber |
| 1476123 |
elm leaf beetle |
Xanthogaleruca luteola |
|
| 5369892 |
western drywood termite |
Incisitermes minor |
Alate reproductives |
| 5369903 |
bumble bees |
Bombus spp. |
Series of bees showing range of size. The largest is an overwintered queen. |
| 5369874 |
flatheaded pine borer |
Phaenops gentilis |
A small series collected in Colorado showing range in coloration |
| 5369877 |
metalic wood-boring beetles |
Buprestis (Cypriacis) spp. |
A small series collected in Colorado showing range in coloration, patterning |
| 5369882 |
metalic wood-boring beetles |
Buprestis (Cypriacis) spp. |
Pinned specimen collected in Colorado |
| 5369761 |
pine tussock moth |
Dasychira grisefacta |
Pinned adult |
| 5422180 |
pole borer |
Nerandra brunnea |
|
| 5422209 |
eugenia psyllid |
Trioza eugeniae |
leaf distortion produced by nymphal feeding |
| 5422203 |
eugenia psyllid |
Trioza eugeniae |
nymphs and adults |
| 5422204 |
eugenia psyllid |
Trioza eugeniae |
nymphs and adults |
| 5422205 |
eugenia psyllid |
Trioza eugeniae |
teneral adult |
| 5422207 |
eugenia psyllid |
Trioza eugeniae |
leaf distortion produced by nymphal feeding |
| 5422208 |
eugenia psyllid |
Trioza eugeniae |
leaf distortion produced by nymphal feeding |
| 5422188 |
syrphid or flower flies |
|
egg laid near colony of rose aphids |
| 5422187 |
narcissus bulb fly |
Merodon equestris |
teneral adult |
| 5422186 |
narcissus bulb fly |
Merodon equestris |
teneral adult |
| 5422174 |
small vinegar fly |
Drosophila spp. |
|
| 5422170 |
small vinegar fly |
Drosophila spp. |
young larvae developing on overripe peach |
| 5422184 |
walnut leafhopper |
Dikrella readionis |
|
| 5422185 |
walnut leafhopper |
Dikrella readionis |
nymphs and cast skins |
| 5422169 |
linden aphid |
Eucallipterus tiliae |
linden aphids on leaf |
| 5422164 |
painted lady butterfly |
Vanessa cardui |
Meconium spot excreted upon adult eclosion |
| 5422163 |
painted lady butterfly |
Vanessa cardui |
Meconium spot excreted upon adult eclosion |
| 5422220 |
walnut twig beetle |
Pityophthorus juglandis |
Adult walnut twig beetle tunnel and surrounding canker produced by Geosmithia in southern California walnut. |
| 5422267 |
European elm flea weevil |
Orchestes alni |
Shothole symptoms produced by adult feeding |
| 5422210 |
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. |
| 5422191 |
convergent lady beetle |
Hippodamia convergens |
Teneral adult. First in a 3 part series. |
| 1481020 |
diamondback moth |
Plutella xylostella |
on canola, Baca County, CO |
| 1481018 |
aphids |
|
aphids on canola, Baca County, CO |
| 1481006 |
darksided cutworm |
Euxoa messoria |
general pest |
| 1481109 |
sunflower moth |
Homoeosoma electellum |
Larva in sunflower seed |
| 5406061 |
walnut twig beetle |
Pityophthorus juglandis |
Beetle gallery in Arizona wlanut. Callus tissue borders and confines this point of injury. |
| 5367768 |
alfalfa plant bug |
Adelphocoris lineolatus |
Alfalfa plant bugs (Adelphocoris lineolatus) on an alfalfa plant. |
| 5393503 |
mountain pine beetle |
Dendroctonus ponderosae |
Adult on penny to show size |
| 5393491 |
large lady beetle |
Anatis lecontei |
Adult |
| 5382193 |
spirea aphid |
Aphis spiraecola |
Honeydew excreted by spirea aphid colony.
|
| 5382116 |
tulip bulb aphid |
Dysaphis tulipae |
Mixed life stages, infestation on Iris leaf. Note parasitized aphid on lower left.
|
| 5382112 |
sidewalk tiger beetle |
Cicindela punctulata |
Late instar larva pulled from tunnel July 2, 2008
|
| 5382113 |
sidewalk tiger beetle |
Cicindela punctulata |
Front view of head.
|
| 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 |
| 5369758 |
tussock moth |
Dasychira mescalera |
Pinned adult |
| 5364255 |
fourteen-spotted lady beetle |
Propylea quatuordecimpunctata |
Adult fourteen-spotted lady beetles (also known as "P-14 lady beetles," Propylea quatuordecimpunctata), predators of aphids. |
| 5367758 |
grasshoppers |
|
Grasshopper nymph on an alfalfa leaf. |
| 5364272 |
syrphid or flower flies |
|
Larva of a syrphid fly, feeding on aphids. |
| 5364270 |
syrphid or flower flies |
|
Pupa of a syrphid fly, a predator of pest insects. |
| 5364257 |
green lacewings |
Chrysoperla spp. |
Adult green lacewing (Chrysoperla sp.), used as a biological control agent. |
| 5364256 |
green lacewings |
Chrysoperla spp. |
Adult green lacewing (Chrysoperla sp.), a biological control for a variety of pest aphid species. |
| 5364252 |
lady beetles |
Stethorus spp. |
Pupa and adult of a black Stethorus sp. lady beetle, a predator (biological control agent) of mites in cropping systems. |
| 5361035 |
alfalfa weevil |
Hypera postica |
Larva of the alfalfa weevil (Hypera postica). |
| 5361034 |
alfalfa weevil |
Hypera postica |
Larva of the alfalfa weevil (Hypera postica). |
| 5364227 |
alfalfa webworm |
Loxostege cereralis |
Larva of the alfalfa webworm (Loxostege cereralis), seen here on alfalfa. |
| 5364226 |
beet webworm |
Loxostege sticticalis |
Larva of the beet webworm (Loxostege sticticalis). |
| 5364225 |
saltmarsh caterpillar |
Estigmene acrea |
Larva of the saltmarsh caterpillar (Estigmene acrea), seen here on sugar beet. |
| 5364223 |
armyworm |
Mythimna unipuncta |
Larva of the true armyworm, Mythimna (Pseudaletia) unipuncta. |
| 5364212 |
variegated cutworm |
Peridroma saucia |
Colorful larva of the variegated cutworm (Peridroma saucia). |
| 5364206 |
sunflower maggot |
Strauzia longipennis |
Adult sunflower maggots (Strauzia longipennis). |
| 5364205 |
banded sunflower moth |
Cochylis hospes |
Larva of the banded sunflower moth (Cochylis hospes) inside a sunflower seed. |
| 5364204 |
sunflower moth |
Homoeosoma electellum |
Larva of the sunflower moth (Homoeosoma electellum) on a developing seedhead. |
| 5364203 |
sunflower beetle |
Zygogramma exclamationis |
Mating pair of sunflower beetles, Zygogramma exclamationis. |
| 5364201 |
red sunflower seed weevil |
Smicronyx fulvus |
Adult red sunflower seed weevil (Smicronyx fulvus). |
| 5364197 |
carrot beetle |
Tomarus gibbosus |
Adult of the carrot beetle, Ligyrus (Bothynus) gibbosus. |
| 5364184 |
damsel bugs |
Nabis spp. |
An adult damsel bug (Nabis sp.), a predator of other insect species. |
| 5364176 |
army cutworm |
Euxoa auxiliaris |
Larva of the army cutworm (Euxoa auxiliaris). |
| 5364175 |
greenbug |
Schizaphis graminum |
Infestation of greenbugs (Schizaphis graminum) on sorghum. |
| 5364132 |
western flower thrips |
Frankliniella occidentalis |
Adult western flower thrips (Frankliniella occidentalis). |
| 5364108 |
Banks grass mite |
Oligonychus pratensis |
Close-up view of Banks grass mites (Oligonychus pratensis). |
| 5364097 |
bird cherry-oat aphid |
Rhopalosiphum padi |
Bird cherry-oat aphids (Rhopalosiphum padi), a pest of bird cherries and several grains. |
| 5364096 |
bird cherry-oat aphid |
Rhopalosiphum padi |
Bird cherry-oat aphids (Rhopalosiphum padi), a pest of bird cherries and several grains. |
| 5364095 |
pea aphid |
Acyrthosiphon pisum |
Pea aphids (Acyrthosiphum pisum) on an alfalfa leaf. |
| 5364092 |
plant bug |
Lygus spp. |
Adult lygus plant bug (Lygus sp.) feeding on a leaf. |
| 5364091 |
plant bug |
Melanotrichus coagulatus |
The mirid plant bug, Melanotrichus coagulatus, a pest of quinoa. |
| 5364089 |
sorghum midge |
Contarinia sorghicola |
Adult sorghum midge (Contarinia sorghicola). |
| 5364085 |
sunflower maggot |
Strauzia longipennis |
Adult of the sunflower maggot (Strauzia longipennis). |
| 5361044 |
army cutworm |
Euxoa auxiliaris |
Larva of the army cutworm (Euxoa auxiliaris). |
| 5364119 |
tuber flea beetle |
Epitrix tuberis |
Damage to a potato caused by the tuber flea beetle (Epitrix tuberis). |
| 5360519 |
painted lady butterfly |
Vanessa cardui |
Pupa of the painted lady (Vanessa cardui) butterfly. |
| 5360517 |
orange sulphur |
Colias eurytheme |
Adult butterfly of the alfalfa caterpillar (Colias eurytheme). |
| 5364273 |
aphid predatory midge |
Aphidoletes aphidimyza |
Larva of the predatory midge (Aphidoletes aphidimyza) in a colony of its aphid prey. |
| 5364269 |
syrphid or flower flies |
|
Syrphid fly larvae among the carcasses of its aphid prey. |
| 5364249 |
convergent lady beetle |
Hippodamia convergens |
Recently molted convergent lady beetle (Hippodamia convergens), with pupal skins nearby. |
| 5364246 |
wheel bug |
Arilus cristatus |
Posterior of the wheel bug (Arilus cristatus) with its anal gland exposed. |
| 5364286 |
Sphecid wasp |
Podalonia valida |
Larva of the sphecid wasp (Podalonia valida) consuming its prey, a saltmarsh caterpillar (Estigmene acrea). |
| 5364285 |
Sphecid wasp |
Podalonia valida |
Larva of the sphecid wasp (Podalonia valida) on its prey, a saltmarsh caterpillar (Estigmene acrea). |
| 5364140 |
potato aphid |
Macrosiphum euphorbiae |
Adult potato aphid (Macrosiphum euphorbiae) with young nymphs, in the act of giving birth to another nymph. |
| 5364139 |
potato aphid |
Macrosiphum euphorbiae |
Nymph of the potato aphid (Macrosiphum euphorbiae), with wing pads. |
| 5364137 |
potato/tomato psyllid |
Paratrioza cockerelli |
Teneral adult potato psyllid (Bactericera cockerelli). |
| 5364134 |
potato/tomato psyllid |
Paratrioza cockerelli |
Nymph and teneral adult potato psyllid (Bactericera cockerelli). |
| 5364133 |
potato/tomato psyllid |
Paratrioza cockerelli |
Adult potato psyllid (Bactericera cockerelli). |
| 5361224 |
lacewings |
|
Adult green lacewing, a biological control predator of many insect pest species. |
| 5364106 |
aphid parasite |
Aphelinus spp. |
Wasp parasitoid (Aphelinus sp.) of the Russian wheat aphid (Diuraphis noxia), with its host. |
| 5364107 |
aphid parasite |
Aphelinus spp. |
Wasp parasitoid (Aphelinus sp.) of the Russian wheat aphid (Diuraphis noxia), with its host. |
| 5361252 |
western bean cutworm |
Striacosta albicosta |
Larva of the Eggs of the western bean cutworm, Richia (Loxagrotis) albicosta on corn silks. |
| 5361251 |
western bean cutworm |
Striacosta albicosta |
Eggs of the western bean cutworm, Richia (Loxagrotis) albicosta, hatching. |
| 5361250 |
western bean cutworm |
Striacosta albicosta |
Eggs of the western bean cutworm, Richia (Loxagrotis) albicosta. |
| 5361231 |
southwestern corn borer |
Diatraea grandiosella |
Larva of the southwestern corn borer (Diatraea grandiosella). |
| 5361228 |
southwestern corn borer |
Diatraea grandiosella |
Adult southwestern corn borer (Diatraea grandiosella). |
| 5361225 |
lady beetle |
|
Adult lady beetle, a biological control agent for insect pests. |
| 5361227 |
lady beetle |
|
Lady beetle larva, a biological control agent for insect pests. |
| 5361221 |
European corn borer |
Ostrinia nubilalis |
Shot-hole damage to a corn leaf caused by the European corn borer (Ostrinia nubilalis). |
| 5361220 |
European corn borer |
Ostrinia nubilalis |
Pupa of the European corn borer (Ostrinia nubilalis). |
| 5361210 |
fall armyworm |
Spodoptera frugiperda |
Two larvae of the fall armyworm (Spodoptera frugiperda) on corn. |
| 5361040 |
European corn borer |
Ostrinia nubilalis |
Larva of the European corn borer (Ostrinia nubilalis). |
| 5364317 |
western bean cutworm |
Striacosta albicosta |
Eggs of the western bean cutworm (originally Loxagrotis albicosta). |
| 5364195 |
Russian wheat aphid |
Diuraphis noxia |
Collection of four images of lady beetle species, potential predators of the Russian wheat aphid (Diuraphis noxia). |
| 5364194 |
Russian wheat aphid |
Diuraphis noxia |
Collection of four images illustrating parasites of the Russian wheat aphid (Diuraphis noxia). |
| 5364190 |
aphid parasite |
Aphelinus spp. |
Mummies of the Russian wheat aphid (Diuraphis noxia) after parasitization by the wasp Aphelinus. |
| 5364189 |
Braconid wasp |
Diaeretiella rapae |
Close-up view of a mummy of the Russian wheat aphid (Diuraphis noxia), parasitized by the braconid wasp, Diaeretiella rapae. |
| 5364187 |
syrphid or flower flies |
|
Syrphid fly larva attacking Russian wheat aphids (Diuraphis noxia) on a wheat leaf. |
| 5364185 |
Russian wheat aphid |
Diuraphis noxia |
Erinnyia fungus on the Russian wheat aphid, Diuraphis noxia. |
| 5364178 |
wheat stem sawfly |
Cephus cinctus |
Wheat stem sawfly (Cephus cinctus). |
| 5364174 |
western wheat aphid |
Diuraphis tritici |
Western wheat aphid (Diuraphis tritici). |
| 5364171 |
Russian wheat aphid |
Diuraphis noxia |
Damage to seedheads of wheat caused by the Russian wheat aphid (Diuraphis noxia) - awns are trapped in the seedheads on damaged plants. |
| 5364170 |
Russian wheat aphid |
Diuraphis noxia |
Damage to seedheads of wheat caused by the Russian wheat aphid (Diuraphis noxia). |
| 5364111 |
brown wheat mite |
Petrobia latens |
Brown wheat mite (Petrobia latens). |
| 5364103 |
Russian wheat aphid |
Diuraphis noxia |
Colony of Russian wheat aphids (Diuraphis noxia) in a wheat leaf. |
| 5364100 |
aphid parasite |
Aphelinus spp. |
Aphelinus nr. varipes, a wasp parasite of the Russian wheat aphid (Diuraphis noxia). |
| 5364099 |
greenbug |
Schizaphis graminum |
Close-up view of a greenbug (Schizaphis graminum) on a blade of wheat. |
| 5360031 |
palestriped flea beetle |
Systena blanda |
Adult pale-striped flea beetle (Systena blanda) on a dry bean leaf. |
| 5359224 |
potato leafhopper |
Empoasca fabae |
Potato leafhopper (Empoasca fabae) on a dry bean leaf. |
| 5359222 |
palestriped flea beetle |
Systena blanda |
Pale-striped flea beetle (Systena blanda) on a dry bean leaf. |
| 1481029 |
Russian wheat aphid |
Diuraphis noxia |
imported pest of small grains |
| 1481032 |
Russian wheat aphid |
Diuraphis noxia |
imported pest of small grains |
| 1481073 |
Lonchaeid Fly |
Silba pendula |
|
| 1481052 |
whitefly |
Aleuroglandulus malangae |
|
| 1481039 |
grass aphid |
Diuraphis nodulus |
|
| 1481036 |
grass aphid |
Diuraphis nodulus |
feeds on noncultivated grasses in Colorado |
| 1481158 |
bollworm |
Helicoverpa zea |
|
| 1481139 |
alfalfa weevil |
Hypera postica |
|
| 1481146 |
black grass bug |
Irbisia spp. |
on grasses in Colorado |
| 1481106 |
soybean stem borer |
Dectes texanus |
|
| 1481113 |
western corn rootworm |
Diabrotica virgifera virgifera |
|
| 1481115 |
sunflower beetle |
Zygogramma exclamationis |
|
| 1481117 |
sunflower beetle |
Zygogramma exclamationis |
|
| 1481108 |
seed weevils |
Smicronyx spp. |
sunflower seed weevil in seed |
| 1481118 |
sunflower stem weevil |
Cylindrocopturus adspersus |
|
| 1481119 |
sunflower stem weevil |
Cylindrocopturus adspersus |
|
| 1481125 |
sunflower receptacle maggot |
Gymnocarena diffusa |
|
| 1481116 |
sunflower headclipping weevil |
Haplorhynchites aeneus |
|
| 1481101 |
sunflower seed midge |
Neolasioptera murtfeldtiana |
|
| 1481102 |
sunflower seed midge |
Neolasioptera murtfeldtiana |
|
| 1481095 |
damsel bugs |
|
|
| 1481094 |
solider beetles |
|
|
| 1481008 |
Say stink bug |
Chlorochroa sayi |
sporadic pest of small grains |
| 1481003 |
beet webworm |
Loxostege sticticalis |
pest of sugar beet |
| 1481012 |
wheat head armyworm |
Faronta diffusa |
sporadic pest of winter wheat |
| 1481013 |
wheat head armyworm |
Faronta diffusa |
sporadic pest of winter wheat |
| 1481171 |
fall armyworm |
Spodoptera frugiperda |
|
| 1481176 |
western bean cutworm |
Striacosta albicosta |
newly emerged on tassel |
| 1481024 |
syrphid or flower flies |
|
aphid predator |
| 1481126 |
western corn rootworm |
Diabrotica virgifera virgifera |
|
| 1481151 |
Banks grass mite |
Oligonychus pratensis |
on corn in Colorado; Adults with eggs |
| 1481152 |
Banks grass mite |
Oligonychus pratensis |
on corn in Colorado; adult with egg |
| 1481112 |
European corn borer |
Ostrinia nubilalis |
|
| 1481177 |
European corn borer |
Ostrinia nubilalis |
|
| 1481179 |
European corn borer |
Ostrinia nubilalis |
|
| 1481037 |
grass aphid |
Diuraphis frequens |
Adult alate; native aphid on noncultivated grasses |
| 1481145 |
black grass bug |
Labops spp. |
on grasses in Colorado |
| 1481047 |
variegated lady beetle |
Hippodamia variegata |
imported aphid predator |
| 1481140 |
lacewings |
|
on sorghum in Honduras |
| 1481026 |
aphid parasite |
Aphelinus spp. |
imported for Russian wheat aphid |
| 1481049 |
aphid parasite |
Aphelinus spp. |
parasitized Russian wheat aphid |
| 1481043 |
Braconid wasp |
Diaeretiella rapae |
imported for Russian wheat aphid |
| 1481046 |
Braconid wasp |
Diaeretiella rapae |
parasitized Russian wheat aphid |
| 1481040 |
Russian wheat aphid |
Diuraphis noxia |
alatoid nymph; imported pest of small grains |
| 1481038 |
Russian wheat aphid |
Diuraphis noxia |
alate adult |
| 1481141 |
orange sulphur |
Colias eurytheme |
|
| 1481017 |
brown wheat mite |
Petrobia latens |
white eggs are the oversummering stage, red eggs hatch within days |
| 1481022 |
ladybird beetle |
Scymnus frontalis |
imported aphid predator |
| 1481028 |
variegated lady beetle |
Hippodamia variegata |
imported aphid predator |
| 1481133 |
palestriped flea beetle |
Systena blanda |
on dry bean in Colorado |
| 1481134 |
pirate pug |
|
on dry bean in Colorado |
| 1481057 |
bean leaf skeletonizer |
Autoplusia egena |
dry bean defoliator |
| 1481110 |
painted lady butterfly |
Vanessa cardui |
|
| 1481124 |
saltmarsh caterpillar |
Estigmene acrea |
|
| 1481105 |
sunflower moth |
Homoeosoma electellum |
|
| 1481107 |
banded sunflower moth |
Cochylis hospes |
|
| 1481099 |
sunflower bud moth |
Suleima helianthana |
|
| 1481120 |
sunflower bud moth |
Suleima helianthana |
|
| 1481114 |
banded sunflower moth |
Cochylis hospes |
|
| 1481044 |
convergent lady beetle |
Hippodamia convergens |
aphid predator |
| 1481021 |
sevenspotted lady beetle |
Coccinella septempunctata |
imported aphid predator |
| 1481007 |
bristly cutworm |
Lacinipolia renigera |
general pest |
| 1481001 |
glassy cutworm |
Apamea devastator |
general pest |
| 1481002 |
beet armyworm |
Spodoptera exigua |
general pest |
| 1481005 |
spotted cutworm |
Xestia dolosa |
general pest |
| 1481023 |
green lacewings |
Chrysopa spp. |
commercial biocontrol organism |
| 1481064 |
katydid |
|
|
| 1481053 |
bean pod weevil |
Apion godmani |
pest of dry bean in Mexico and Central America |
| 1481132 |
bean pod weevil |
Apion godmani |
Larva and pupa; pest of dry bean in Mexico and Central America |
| 5303069 |
predatory mites |
|
Sachet containing bran and mites for release in nursery planting |
| 5303089 |
black swallowtail |
Papilio polyxenes |
Full-grown larva displaying osmeteria |
| 5303090 |
black swallowtail |
Papilio polyxenes |
Full-grown larva displaying osmeteria |
| 5303065 |
green lacewings |
Chrysoperla spp. |
Eggs applied to card for use in biological control release |
| 5302054 |
green lacewings |
Chrysoperla spp. |
Eggs applied to card for use in biological control release |
| 1475041 |
grape mealybug |
Pseudococcus maritimus |
Close-up of adult with eggs. This was associated with a very heavy infestation of a street tree. |
| 5209061 |
boxelder psyllid |
Cacopsylla negundinis |
|
| 5210020 |
seedcorn maggot |
Delia platura |
Larva associated with damaged onion seedling |
| 5210043 |
seedcorn maggot |
Delia platura |
Larva associated with damaged onion seedling |
| 5209063 |
woolly apple aphid |
Eriosoma lanigerum |
Late spring colony in leaf curl |
| 1490004 |
viceroy |
Limenitis archippus |
|
| 1490005 |
eastern tiger swallowtail |
Papilio glaucus |
Larva everting osmeterium |
| 1490001 |
oleander moth |
Syntomeida epilais jucundissima |
|
| 1491013 |
Sphecid wasp |
Podalonia valida |
Young larva on salt-marsh caterpillar host |
| 1491014 |
Sphecid wasp |
Podalonia valida |
Full grown larva with nearly fully consumed salt-marsh caterpillar host |
| 1491015 |
Sphecid wasp |
Podalonia valida |
Larva after almost entirely consuming salt-marsh caterpillar host |
| 1491022 |
Sphecid wasp |
Bembix palmata |
Egg on horse fly host |
| 1491030 |
Eumenid wasp |
|
Eumenid at trap nest |
