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.

Cabbage Looper Moth

Cabbage Looper Moth

A drab mottled-brown moth best known for its pale green, looping caterpillar that arches its back like an inchworm while feeding on garden vegetables.

moth
Drugstore Beetle

Drugstore Beetle

A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.

beetle
Varied Carpet Beetle

Varied Carpet Beetle

A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.

beetle
Chinch Bug

Chinch Bug

A tiny black-and-white true bug that feeds on grasses, often overlooked individually but capable of forming dense colonies in sunny, dry patches of lawn.

true-bug
Squash Bug

Squash Bug

A flat-backed, brownish-gray true bug commonly found clustered on the leaves and stems of squash and pumpkin plants, where it feeds by piercing plant tissue.

true-bug
Painted Lady Butterfly

Painted Lady Butterfly

A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.

butterfly
Bagworm

Bagworm

A caterpillar that constructs and lives inside a spindle-shaped case of silk and plant debris, dragging its portable shelter along as it feeds on tree foliage.

caterpillar-larva
Slug

Slug

A soft-bodied, shell-less land mollusk that glides on a muscular foot, leaving a silvery mucus trail as it forages across damp ground and vegetation.

other
Orange Sulphur

Orange Sulphur

A vivid orange-and-yellow butterfly with sharp black wing borders, one of the most common butterflies over open fields and alfalfa crops throughout North America.

butterfly
Common Wood-Nymph

Common Wood-Nymph

A large brown grassland butterfly with a bold yellow patch and one or two prominent black eyespots on the forewing, known for its bouncing, low-to-the-ground flight.

butterfly
Stink Bug

Stink Bug

A broad, shield-shaped true bug that releases a pungent defensive odor when handled or crushed, commonly found on garden vegetables and fruit trees.

true-bug
Wolf Spiderling

Wolf Spiderling

A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.

spider
Indian Stick Insect

Indian Stick Insect

A slender, twig-mimicking insect so unremarkable in stillness that it disappears among the stems it feeds on, one of the most widely raised stick insects in the world.

mantis-stick
Dead Leaf Mantis

Dead Leaf Mantis

A master of disguise whose broad, curled, vein-textured body is nearly indistinguishable from a curled, decaying leaf lying on the forest floor.

mantis-stick
Field Cricket

Field Cricket

A stout, dark cricket whose loud, rhythmic chirping is one of the most familiar summer and fall night sounds in fields and lawns across much of the world.

grasshopper-cricket
Face Fly

Face Fly

A house fly look-alike that clusters persistently around the eyes, muzzle, and face of grazing livestock to feed on moisture and secretions.

fly
Firefly

Firefly

A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.

beetle
Goliath Beetle

Goliath Beetle

One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.

beetle
Termite Swarmer

Termite Swarmer

A dense, short-lived cloud of dark, equal-winged insects pouring from a crack in soil or wood, each one a would-be founder of a brand-new termite colony.

other
Stinging Rose Caterpillar

Stinging Rose Caterpillar

A boldly striped slug caterpillar in candy-like tones of yellow, orange, and purple, crowned with tufted spine clusters that can sting on contact.

caterpillar-larva
American Dog Tick

American Dog Tick

A stout, mottled brown-and-silver tick that waits on grass blades with its front legs outstretched, ready to latch onto a passing host.

arachnid
Elm Seed Bug

Elm Seed Bug

A slim, brownish-orange seed bug that develops on elm seeds and becomes a familiar autumn nuisance as it seeks shelter on sun-warmed walls and window frames.

true-bug
Virginia Tiger Moth

Virginia Tiger Moth

An almost pure-white, fluffy tiger moth with a few small black dots on the wings and body, whose caterpillar is the familiar pale yellow "yellow woolly bear."

moth
Cabbage White Butterfly

Cabbage White Butterfly

A small, plain white butterfly with one or two black spots on each forewing and dark wingtips, one of the most common and widespread garden butterflies in the world.

butterfly