Insect ID

Photos by John Obermeyer
unless specified otherwise


Asparagus

Beans

Broccoli

Cabbage

Cucumber

Eggplant

Green Bean

Green Pepper

Lettuce

Melons

Okra

Onion

Potato

Pumpkin

Squash

Sweet Corn

Tomato

Zucchini


Asparagus

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Asparagus common beetle (dorsal view)

Asparagus beetle egg shells on foliage

Asparagus beetle egg hatching

Asparagus beetle larva

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Asparagus beetle larva on foliage

Asparagus beetle larvae instars on penny

Asparagus spotted beetle

Asparagus common beetle

Asparagus common beetle (side view)

Asparagus spotted beetle (dorsal view)

Beans

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Black and Red non-spotted common bean leaf beetles damage (close up)

Bean leaf beetle pod damage

Bean leaf beetle feeding on pod (close up)

Bean leaf beetles

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European corn borer larva inside soy stem

Mexican bean beetle adult, pupal, and larva damage

Mexican bean beetle adult and larvae damage (close)

Mexican bean beetle life cycle [Photo by L. Bledsoe]

Potato Leaf Hopper adult on leaf (close)

Potato Leaf Hopper nymphs

Pale striped flea beetle adult

Red headed flea beetle damage on soy leaf(close up)

Seed corn maggot (close up)

Tarnished plant bug adult

European corn borer egg mass in blackhead stage

Potato leafhopper damage on beans

Broccoli

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Dead worm damage on broccoli plant

Dead worms on broccoli plant

Dead worms on broccoli plant

Broccoli leaf damage by dead worm

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Worm damage on broccoli plants

Grasshopper on broccoli head (dorsal view)

Grasshopper on broccoli head (side view)

Cabbage

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Aphids and Alate on cabbage

Aphids on reddish cabbage

Aphids and syrphid larva on cabbage

Aphids and worm damage on cabbage leaf

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Cabbage butterfly lay eggs on crucifer plant

Cabbage butterfly on crucifer flower (side view)

Cabbage butterfly on crucifer flower (close up)

Cabbage butterfly on crucifer flower

Leaf damage by cabbage looper

Leaf damage by cabbage looper

Leaf damage by cabbage looper (dorsal view, close up)

Cabbage looper (front elevated) with leaf damage

Cabbage Looper with low profile

Cabbage looper pupa and aphids on leaf

Cabbage looper pupa under webbing

Leaf damage by cabbage looper (side view)

Leaf damage by cabbage looper (side view)

Young cabbage looper with leaf damage

Cabbage worm damage

Cabbage worm damage

Cabbage worm damage on 4 plants

Cross striped cabbage worm cause whorl damage

Cross striped cabbage worm (close up)

2 cross striped cabbage worms on leaf

3 cross striped cabbage worms on leaf

Diamond black moth larva and aphids

Diamond black moth larva on cabbage leaf

Cabbage leaf damage from diamond black moth larva and aphids

Diamond black moth larva and aphids feeding on cabbage leaf

Diamond black moth pupa (close)

Parasitic wasp egg mass on cabbage leaf

Unknown egg mass (close up)

Grasshopper on kale (close up)

Harlequin bug on cabbage leaf

Harlequin bug nymph on crucifer leaf

Harlequin bug nymph on crucifer leaf (dorsal view)

Extended cabbage looper

Newly hatched caterpillars on cabbage leaf

Tarnished plant bug on crucifer leaf vein (close up)

Woolly bear caterpillars

Diseased imported cabbageworm

Cucumber

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Aphids on cucumber leaf

Aphids and ants on cucumber leaf (close up)

Aphids and ants on cucumber leaf

Aphids on cucumber leaf (close up)

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Aphids on cucumber leaf

Bacterial blight on leaves

Early aphid damage on cucumber plant

Frost damage on cucumber plant

White flies on cucumber leaf

Wilting cucumber plant

Wilting cucumber plants

White flies on cucumber leaf (close up)

White flies on cucumber leaf

White flies and eggs on cucumber leaf (close up)

Winged aphid on cucumber cotyledon

Eggplant

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Colorado potato beetle on eggplant leaves

Colorado potato beetle larvae on eggplant leaf

Colorado potato beetle larvae feeding on eggplant leaf

Colorado potato beetle larvae damage on eggplant

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Flea beetle damage on eggplant

Frost damage on eggplant

Flea beetle damage on eggplant leaf

Flea beetle damage on eggplant leaf

Flea beetle damage on eggplant leaf (close up)

Green Bean

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Bean leaf beetle damage on green bean and leaf

Green beans damaged by bean leaf beetle

Green beans and leaf damaged by bean leaf beetle

Old damage by bean leaf beetle and new leaf growth

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Severe damage by bean leaf beetle next to new growth

Bean leaf beetle feeding on leaf (close up)

Bean leaf beetle feeding on leaf (close up)

Bean leaf beetle feeding on leaf

Green bean leaf damage by bean leaf beetle

Green bean leaf damage by red bean leaf beetle

Severe green bean leaf damage by bean leaf beetle

Heavily dusted green bean plants

Green bean seedling freeze damage

Heavily dusted green bean plants

Green june beetle on stem of green bean stem

Green june beetle on stem of green bean stem

Heavily dusted green bean plants with bean leaf beetle damage

Green bean seedlings with and without bean leaf beetle damage

Green bean seedlings with bean leaf beetle damage

Mexican bean beetle adult and larvae on damaged leaf

Leaf damage by adult mexican bean beetle

Green bean leaves damaged by mexican bean beetle

Mexican bean beetle larva on damaged leaf

Mexican bean beetle larva on damaged leaf (dorsal view)

Mexican bean beetle larvae with green bean leaf damage

Mexican bean beetle larvae on damaged green bean leaf

Mexican bean beetle larvae on damaged green bean leaf

Multiple mexican bean beetle pupae on damaged green bean leaf

Mexican bean beetle pupae on damaged green bean leaf

Green Pepper

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Aphid honeydew on pepper

Corn earworm damage in split open pepper

Holes in green pepper from corn earworm

Corn earworm larva in damaged green pepper with frass

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Split open green pepper with damage from corn earworm larva

Split open green pepper with damage and frass from corn earworm larva

European corn borer damage inside green pepper (close up)

European corn borer entry hole in green pepper (close up)

European corn borer entry hole in green pepper stem (close up)

European corn borer larva and damage in green pepper stem

European corn borer damage in green pepper stem

European corn borer damage in green pepper stem (close up)

Damage in green pepper from european corn borer larva

Green june beetle on pepper leaf

Early frost damage on green pepper plant

Freeze damage on green pepper plant

European corn borer egg mass on green pepper (close up)

European corn borer egg mass on green pepper

Hornworm egg on green pepper

Hornworm entry hole in green pepper

Hornworm on green pepper plant

Green pepper damage from hornworm

Hornworm feeding on green pepper plant (close up)

Freeze damage on pepper plant

Worm damage inside green pepper

Lettuce

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Aphids and alate on lettuce leaf (close up)

Aphids cast skins on lower lettuce leaves

Aphids on center lettuce head

Aphids on lettuce leaf (close up)

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Aphids on lettuce leaf

Aphids on lettuce plant

Corn earworm larva cause lettuce damage

Imported cabbageworm larva on lettuce leaf

Stink bug eggs on lettuce leaf

Melons

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Alternarial leaf spot on melon leaf

Crinkled melon leaves caused by aphids

Aphid damage on honeydew melon

Aphids and alate nymphs on melon leaf (close up)

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Damaged cantelouope skin peeled back

Damaged canteloupe skins

Wireworm damage on canteloupe

Wireworm damage on canteloupe (close up)

Canteloupe skin damaged by wireworm peeled back

Wireworm damage on canteloupe (very close)

Wireworm damage on canteloupe

Dead melon

Dead melon

Lesion on canteloupe leaf

Maggot on melon stem (close up)

Maggot on melon stem (close up)

Maggot on melon stem

Maggot on melon stem

Maggot on melon stem (close up)

Aphid infestation on melon leaf

Aphid damage on melon plant

Stressed melon seedling

Stressed melon seedling

Stressed melon seedling

Stressed melon seedling with flower

Stressed melon seedling now thriving

Wireworm damage on melon (close up)

Dead melon plant caused by wireworm

Wireworm tunneling damage in melon

Okra

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Aphid mummies on okra leaf

Brown marmorated stink bug nymph on okra leaves

Brown marmorated stink bug nymph on okra terminal (dorsal view)

Brown stink bug on damaged okra fruit

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Okra plant damaged by brown stink bug

Brown stink bug on damaged okra fruit base

Brown stink bug on early okra fruit

Brown stink bug feeding on okra fruit base

Brown stink bug on large okra fruit

Brown stink bug on okra terminal

Brown stink bugs on red okra fruit

Eggs and aphid on okra leaf (close up)

Eggs and whitefly on okra leaf (close up)

Grasshopper nymph on okra leaf (close up)

Grasshopper nymph on okra leaf

Aphid mummies on okra leaf

Okra blossom (close up)

Freeze damage on okra

Spotted okra fruit

Spotted okra fruit (close up)

Leaf miner damage on okra leaf

Leaf miner damage on okra leaf (close up)

Okra leaf with disease spot

Japanese beetle damage on okra leaf

Aphid damage on young okra plant

Aphid damage on young okra plant

Onion

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Onion maggot damage on garlic (close up)

Onion maggot damage on garlic clove

Damage by onion maggots on garlic cloves

Onion maggots damage garlic (close up)

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Onion maggots on penny

Potato

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Margined blister beetle on potato leaf (dorsal view)

Margined blister beetle on potato leaf with damage

Potato leafhopper damage on potato branch

Potato leafhopper damage on potato plants

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Potato leafhopper damage on potato branch

Pumpkin

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Pumpkin plant wilting due to squash vine borer

Pumpkin scarred from squash bugs

Hole in pumpkin stem

Squash vine borer larva in pumpkin stem

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Squash vine borer larva in pumpkin stem (close up)

Squash vine borer holes in pumpkin

Squash bug eggs on pumpkin leaf

Squash bug nymph feeding

Squash bug nymph on pumpkin vine

Squash bug nymph on pumpkin

Squash bug nymphs on pumpkin

Squash bug on pumpkin vine

Squash bug adults and nymphs on pumpkin

Squash bugs feeding on pumpkin

Squash bugs on pumpkin

Squash bugs on pumpkin (close up)

Pumpkin covered in squash bugs

Damage done by squash vine borer

Revealed damage done by squash vine borer

Squash vine borer

Squash vine borer (close up)

Squash vine borer (dorsal view)

Squash vine borer (side view)

Squash

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Aphid colony on squash leaf

Evidence of beetle feeding on squash stem

Squash bug eggs (close up)

Stem of as squash vine in decline

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Squash bug (dorsal view)

Squash bug eggs and nymphs

Squash bug eggs

Squash bug eggs

Squash bug eggs (close up)

Squash bug eggs on stem

Squash bug eggs on stem

Squash bug nymph (close up)

Squash bug hatchlings

Squash bug hatchlings

Squash bug laying eggs

Squash bug laying eggs

Squash bug on leaf edge

Various squash bug nymphs

Squash bug adults and nymphs (close up)

Squash bugs on butternut squash

Squash bug early instars on leaf

Squash bug early instars on leaf

Squash bug early instars and eggs

Squash bug early instars on leaf

Squash bugs mating

Squash bug mixed instars

Mystery damage on squash

Frost damage on squash plant

Striped cucumber beetle feeding on squash stem

Squash vine borer and frass on stem

Squash vine borer head (on its side)

Squash vine borer moth laying eggs on vine

Squash vine borer moth (dorsal view)

Squash vine borer moth

Squash vine borer moth (side view)

Squash vine borer inside stem (close up)

Squash vine borer inside stem

Squash bug laying eggs

Striped cucumber beetle on squash leaf (close up)

Striped cucumber beetle feeding on squash leaf (close up)

Damage on squash leaf by striped cucumber beetle

Sweet Corn

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Corn earworm larva on corn ear tip

Corn earworm larva

European corn borer larva on tassel

European corn borer egg mass (close up)

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Male and female European corn borer adults

Female European corn borer adult

European corn borer larva damage on sweet corn ear

European corn borer damage on corn whorl

European corn borer larva damage

Fall armyworm larva dammage on tassel (close up)

Southwestern corn borer larva tunnel in stalk

White slug damage on corn leaf (close up)

Westen bean cutworm larva damage on sweet corn tip

Western bean cutworm larva damage on sweet corn ear

Sweet corn chart

Diseased European corn borer

Tomato

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Aphids and alate nymphs on tomato leaf

Aphids cast skins on tomato leaf

Aphids on diseased tomato leaf

Aphids and syrphid larvae and instars on tomato leaf

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Brown marmorated stink bug damage on a tomato with fungus [Photo by J. Brust]

Tomato fed on by brown marmorated stink bug [Photo by J. Brust]

Tomato heavily fed on by brown marmorated stink bug [Photo by J. Brust]

Brown stink bugs on tomato

Grasshopper on tomato stem

Tomato damage by hornworm

Dead hanging hornworm [Photo by Sarah Thompson]

Early instar hornworm on tomato plant [Photo by Sarah Thompson]

Hornworm eating tomato leaf

Hornworm egg on tomato leaf

Hornworm egg on tomato leaf

Hornworm extended on tomato stem

Hornworm feeding on tomatoes

Parasitized Tobacco hornworm

Parasitized hornworm

Pre pupa hornworm on soil

Tomatoes damaged by hornworm

Hornworm and tomato damage

Color variation on hornworms

Hornworms destroying tomato

Leaf footed bug on red tomato

Russet mites on tomato leaf (microscopic view)

Russet mites on tomato leaf (microscopic view)

Russet mites on tomato leaf vein (microscopic view)

Stalk borer larva inside tomato stem (close up)

Stalk borer larva on tomato stem

Stalk borer entering tomato

Damaged tomato plants by stalk borer

Stalk borer entry hole of tomato plant

Stalk borer inside tomato stem

Slug outside of damaged tomato hole

Slug exiting hole in damaged tomato

Slugs inside and outside hole in damaged tomato

Stink bug damage on green tomato

Stink bug on green tomato

Stink bug on green tomato

Tomato defoliation and fruit damage by hornworm

Spotted cucumber beetles on damaged tomatoes

Frost damage on tomato plant

Purple tomato hornworm [Photo by Sarah Thompson]

Stink bug damage on tomato (close up)

Stink bug damage on tomato (close up)

Cross section of stink bug damage on tomato

Thrips damage on tomato (close up)

Stink bug damage on tomatoes

Thrips damage on tomatoes

Worm damage on tomatoes

Variegated corn worm damage on tomato [Photo by L. Maynard]

Variegated corn worm damage on tomatoes [Photo by L. Maynard]

Hornworm next to tomatoes

Whiteflies on tomato leaf

Yellow striped armyworm feeding on grape tomato

Yellow striped armyworm on damaged tomato (close up)

Yellow striped armyworm and tomato leaf damage

Yellow striped armyworm on damaged tomato

Yellow striped armyworm (close up)

Zucchini

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Damage from deer feeding on zucchini plant

Dusted zucchini plant

Dusted zucchini plants

Squash bug nymphs on zucchini

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Striped cucumber beetles on damaged zucchini leaf

Striped cucumber beetle damage on zucchini leaf