Tobacco Hormworm (left) and a Tomato Hornworm (right); many people in Maine and beyond encounter tobacco hornworms feasting on their tomato plants so incorrectly assume they are 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
