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Home and Garden IPM from Cooperative Extension

Photo Gallery: Vegetable Pests

: Aphids on pepper leaves

: Aphids on beet leaves

: Corn Leaf Aphids

: Corn Leaf Aphids (closer view)

: Aphids (Green Peach Aphids)

: Foxglove Aphid on a lettuce leaf (this aphid has a wide host range)

: Potato Aphid (Macrosiphum euphorbiae) (winged form)

: Potato Aphid (‘Winged Rose’ stage)

: Armyworm Caterpillar

: Asparagus Beetles (and larvae)

: Common Asparagus Beetle

: Spotted Asparagus Beetle

: Bean Leaf Beetle

: Red Bean Leaf Beetle (red morph)

: Black Blister Beetle — Epicauta pennsylvanica (DeGeer)

: Blister Beetles

: Blister Beetles

: Cabbage Flea Beetle (Phyllotreta albionica)

: Cabbage Looper

: Cabbage Maggot (multiple images)

: Roots damaged by Cabbage Maggots

: Cabbage Maggots

: Cabbage Maggot

: Cabbage Maggot

: Imported Cabbageworm (life stages)

: Eggs of Imported Cabbageworm

: Imported Cabbageworm (egg and larva)

: Fall Armyworm larva (Spodoptera frugiperda) (feeding damage to corn)

: Fall Armyworm Caterpillar (on a corn leaf)

: Corn leaves damaged by Fall Armyworm larvae

: Colorado Potato Beetle

: Pair of Colorado Potato Beetles

: Common Stalk Borer

: Corn Earworm larva

: Corn Earworm larva

: Pair of Corn Earworm larvae

: Moth Stage (Corn Earworm)

: Moth Stage (corn earworm)

: Corn Rootworm Larvae

: Northern Corn Rootworm Beetle

: Northern Corn Rootworm Beetle

: Northern Corn Rootworm Beetle

: A cutworm larva, and a young corn stalk that has been ‘cut’ due to the cutworm’s feeding injury.

: A cutworm curled up for protection

: Cutworm larva inside a potato

: European Corn Borer larvae

: European Corn Borer (collection of images)

: ‘Shot’ damage to a corn leaf caused by European Corn Borer larval feeding

: European Corn Borer (adult/moth)

: Flea beetles (and feeding damage) on broccoli

: Flea beetles

: Flea beetles on potato plants

: Flea beetle feeding damage on a potato plant

: A leafhopper nymph (the wing pads are absent in the nymphal stage)

: Potato Leafhopper (a pest of not only potatoes, but many other crops as well)

: Southern Corn Rootworm Beetle (Spotted Cucumber Beetle)

: Cucumber Beetle (Striped Cucumber Beetle)

: Cutworm on a pepper plant

: Cutworm larva inside a potato

: Diamondback Moth

: Diamondback Moth (larva and cocoon stages)

: Pair of False Armyworm cutworms

: Hornworms

: Hornworms

: Tobacco Hormworm (left) and a Tomato Hornworm (right); many people in Maine encounter tobacco hornworms but incorrectly call them tomato hornworms.

: Tobacco Hornworm feeding on a tomato (seven white lines on each side of its body)

: Tobacco Hornworm; one can differentiate it from a tomato hornworm by virtue of its seven straight white lines on its side

: Japanese Beetle on a milkweed plant

: A cluster of Japanese Beetles

: Japanese Beetle with four eggs from a parasitic fly called a tachinid fly. Leaving such beetles alone is advisable because it may lead to additional tachinid flies that can go on to parasitize additional beetles (such parasitism typically kills the beetle).

: Japanese Beetle Larva/Grub

: Comparing the rasters of Japanese Beetle and European Chafer grubs.

: Leafminers

: A beet leaf with leafminer injury

: Mexican Bean Beetle (adult, larva, and some larval feeding injury as well)

: Mexican Bean Beetle (life stages)

: Tawny Garden Slug

: Tawny Garden Slug

: Leopard Slug versus Tawny Garden Slug

: Leopard Slug (also called a Spotted Slug or Giant Garden Slug) (June 1st, 2012) (Northeast Harbor, ME)

: Squash Beetle larva

: Squash Beetle adult

: Squash Bug

: Squash Bug (Life Stages)

: Squash Vine Borer (Melittia cucurbitae) (August 9th, 2021) (from a summer squash stem in Otisfield, Maine)

: Squash Vine Borer

: Striped Cucumber Beetle

: Tarnished Plant Bug

: Three-lined Potato Beetle (Lema daturaphila) (central Maine, 7/20/2021) (very common on tomatillo plants; uncommon on potato in spite of its name)

: Thrips

: Two-Spotted Spider Mites

: Two-spotted Spider Mites

: Western Corn Rootworm Beetle

: Whiteflies

: Whiteflies (adults with wings, immatures, and black/dead ones due to parasitism)

: White Grubs

: Wireworms (Larval stage of beetles called Click Beetles)

: Wireworms (Click Beetle larvae)

: Wireworm (additional image)

: Click Beetle images (larvae and adults)

: Click Beetle

: Click Beetle

: Click Beetle (ventral view) — June, 2018; Dixmont, ME

Additional Photos and Information:

Aphids
Armyworms
Asparagus Beetles (Common and Spotted)
Bean Leaf Beetle
Blister Beetles
Cabbage Flea Beetle
Flea Beetles
Cabbage Looper
Cabbage Maggot
Cabbageworm/Imported Cabbageworm
Colorado Potato Beetle
Common Asparagus Beetle
Common Stalk Borer
Corn Earworm
Corn Rootworm (Northern, Western & Southern)
Cucumber Beetle (Striped Cucumber Beetle)
Cutworms
Diamondback Moth
European Corn Borer
Fall Armyworm
Hornworms
Imported Cabbageworm
Japanese Beetles — includes a video: How to Get Rid of Japanese Beetles
Leafminers (University of Florida)
Leafhoppers – see also:
- Aster Leafhopper
- Candy-striped Leafhopper
- Potato Leafhopper (part of UMaine Extension’s Potato IPM Program)
Mexican Bean Beetle
Northern Corn Rootworm (includes Western & Southern also) (Univ. of Illinois)
Onion Maggots
Onion Thrips (Cornell)
Potato (and other) Aphids (part of UMaine Extension’s Potato IPM Program)
Potato Leafhopper (part of UMaine Extension’s Potato IPM Program)
Red Bean Leaf Beetle
Slugs
Squash Beetles
Squash Bugs
Squash Vine Borer (not very common in Maine) (Penn State) (adult photo via BugGuide.net)
Striped Cucumber Beetle
Tarnished Plant Bug
Three-lined Potato Beetle [pdf] (UNH)
Thrips (vectors of tospoviruses including Tomato Spotted Wilt Virus or TSWV)
Tomato Hornworm
Two-Spotted Spider Mites
Western Corn Rootworm (Northern & Southern also)
Whiteflies (University of Missouri)
White Grubs
Wireworms

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