Bug Identifier

Bug Encyclopedia

Search and identify bugs & insects — beetles, butterflies, moths, ants, bees, spiders and more — with size, habitat, danger, behavior, and how to tell them apart.

Assassin Bug

Assassin Bug

A slender, long-legged predatory true bug with a curved, needle-like beak used to ambush and pierce other insects, often patterned in bold orange, black, or red warning colors.

true-bug
Water Scorpion

Water Scorpion

An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.

aquatic-insect
Velvet Ant

Velvet Ant

A densely fuzzy, brightly colored insect that looks like an oversized ant but is actually a wingless female wasp, instantly recognizable by its thick coat of red, orange, black, or white hair.

wasp

Spicebush Swallowtail Caterpillar

A bulging-eyed green caterpillar that lives folded inside its own silk-stitched leaf tent, looking every bit like a miniature snake peering out from cover.

caterpillar-larva

Gall Midge

A delicate, mosquito-like fly whose larvae trigger plants to grow strange, often colorful swellings called galls, each species usually tied to one particular host plant.

fly
Whitefly

Whitefly

A tiny, moth-like white insect that clusters on the undersides of leaves and bursts into a snowy cloud when the plant is disturbed. Despite the name, it is not a true fly but a sap-feeding relative of aphids and scale insects.

true-bug

Follicle Mite

An elongated, microscopic mite shaped almost like a tiny worm, living deep within hair follicles and oil glands of mammal skin where it spends its entire life largely unnoticed.

arachnid
Zebra Swallowtail

Zebra Swallowtail

A sleek, triangular-winged swallowtail striped boldly in black and pale green-white like a zebra, with long tails and red-and-blue accent spots, whose caterpillars feed exclusively on pawpaw trees.

butterfly
Sowbug

Sowbug

A slate-gray, oval, armor-plated crustacean that shuffles through damp leaf litter on seven pairs of legs, recognizable by its overlapping segmented shell and pair of trailing tail-like appendages.

other
Northern Mole Cricket

Northern Mole Cricket

A stout, velvety brown cricket with shovel-like front legs built for tunneling through damp soil, more often heard as a low buzzing trill at night than seen above ground.

grasshopper-cricket
Great Tiger Moth

Great Tiger Moth

A boldly patterned tiger moth with chocolate-brown and cream lace-like markings on the forewings and vivid orange hindwings spotted with blue-black, one of the most visually striking moths in temperate gardens.

moth

Crane Fly Larva

Thick-skinned and worm-like, the crane fly larva, often called a leatherjacket, burrows through wet mud and decaying vegetation at the edges of ponds and streams, breaking down plant material as it grows.

aquatic-insect

Silverfish Firebrat

Two closely related, wingless, silvery or mottled insects with fish-like darting movements and three long tail bristles, one favoring damp basements and the other thriving near warm ovens and furnaces.

other
Tussock Moth

Tussock Moth

A moth with a striking split lifestyle: winged, drab gray-brown males fly to seek out flightless, grub-like females, while the ornate caterpillars sport dense tufts of colorful bristly hair.

moth
Twenty-plume Moth

Twenty-plume Moth

A tiny, unusual moth whose wings are each divided into numerous slender, feather-like plumes rather than solid membranes, giving it a delicate, fringed appearance unlike almost any other moth.

moth

Springtail

A minuscule, wingless hexapod best known for its spring-loaded tail-like structure that flicks it into sudden, erratic hops when disturbed, often found in huge numbers in damp soil and leaf litter.

other

Garden Orb Weaver Spider

The classic maker of the round, wheel-shaped web, the garden orb weaver hangs head-down at the center of its silken snare. Many sport a cross-like pattern of pale spots on a rounded abdomen.

spider

Katydid

A leaf-mimicking insect with broad, veined green wings shaped remarkably like foliage, best known for the loud, rhythmic 'katy-did, katy-didn't' chorus males produce on warm summer nights.

grasshopper-cricket

Bush Cricket

Known by its long, thread-like antennae and evening chorus of chirps, this leaf-colored insect spends its life hidden among grass and foliage, often heard far more often than seen.

grasshopper-cricket

Creeping Water Bug

Broad, oval, and flattened like a tiny shield, the creeping water bug crawls methodically through submerged vegetation rather than swimming freely, using its stout, raptorial front legs to seize prey.

true-bug

Birdwing Butterfly

Among the largest butterflies on Earth, birdwings soar through rainforest canopies on angular, bird-like wings. Males dazzle with iridescent greens, golds, and blues, while the larger females wear more subdued browns.

butterfly
Antheraea Silkmoth

Antheraea Silkmoth

A large, robust silkmoth in the genus Antheraea with broad reddish-brown to tan wings, each marked with a prominent transparent, eye-like spot, representing a group of giant moths long valued for producing wild silk.

moth
Old Lady Moth

Old Lady Moth

A large, dusky brown noctuid moth with an intricate, wood-grain-like pattern of dark streaks and pale flecks across broad wings, often found resting motionless in sheds and against tree bark by day.

moth
Cuckoo Bee

Cuckoo Bee

A slender, wasp-like bee that lacks pollen-carrying hairs because it never gathers its own pollen, instead sneaking into the nests of other solitary bees to lay eggs that hatch and consume the host's food stores.

bee