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.

Hackberry Emperor

Hackberry Emperor

A brown-and-cream butterfly closely tied to hackberry trees, notable for its bold eyespots and habit of landing on people, cars, and other unusual surfaces rather than flowers.

butterfly
Blue Morpho Butterfly

Blue Morpho Butterfly

A dazzling, hand-sized rainforest butterfly whose wings flash brilliant metallic blue in flight, an effect created not by pigment but by microscopic light-bending scales.

butterfly
Vapourer Moth

Vapourer Moth

A small tussock moth with striking sexual dimorphism: rusty-orange, day-flying males with feathery antennae contrast with flightless, grub-like grey females that never leave their cocoon to lay eggs.

moth
Fall Webworm

Fall Webworm

A pale, hairy caterpillar that spins loose, messy silk webs enclosing entire leaf clusters at the tips of tree branches, becoming especially noticeable in late summer and fall.

caterpillar-larva

Lanternfly (Spotted Lanternfly)

A strikingly patterned planthopper with grey, spotted forewings that flash to reveal crimson hindwings when it leaps, now notorious as an invasive agricultural pest far from its native range.

true-bug

Asian Longhorned Beetle

A large, glossy black longhorn beetle patterned with irregular white spots and boldly banded blue-white antennae, notable as one of the largest and most eye-catching wood-boring beetles seen in temperate hardwood trees.

beetle

Soft Tick

A wrinkled, leathery, bean-shaped tick that hides by day in nests and cracks, emerging briefly at night to feed and then vanish again.

arachnid
Fox Moth

Fox Moth

A stout, reddish-brown moth with a pale diagonal band across each forewing, closely resembling a fox in color, most often noticed as its large, densely furred dark caterpillar basking on open ground in spring.

moth

Bird Mite

A minute, pale to reddish mite that lives among feathers and nesting material of wild and domestic birds, sometimes dispersing into nearby buildings when nests are abandoned.

arachnid
Rhinoceros Beetle

Rhinoceros Beetle

A massive, heavily armored beetle whose males sport a single large, curved horn projecting forward from the head, used to shove and flip rival males in contests of strength.

beetle
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
Roseate Skimmer

Roseate Skimmer

A vivid pink-violet dragonfly of southern wetlands, the mature male's rose-pruinose body makes it one of the most striking skimmers found around ponds and canals.

dragonfly
Boll Weevil

Boll Weevil

A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.

beetle

Giant Centipede

A long, fast-moving, many-legged predator with a hardened segmented body and a pair of venom-injecting claws behind the head that it uses to overpower prey far larger than itself.

myriapod

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

Snakefly

A slender predator named for its habit of rearing up its long, mobile neck like a tiny cobra when hunting or threatened.

other
Clover Mite

Clover Mite

A speck-sized reddish mite that streaks a rust-colored stain if crushed and invades homes by the hundreds when lawns dry out or turn cold.

arachnid
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
Squash Vine Borer

Squash Vine Borer

A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.

moth
Fiery Skipper

Fiery Skipper

A small, fast, orange-and-black skipper often seen zipping low over lawns and gardens, with jagged black wing borders that resemble scorched edges.

butterfly
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Common Blue

Common Blue

A small, sun-loving butterfly whose males flash brilliant violet-blue wings while females wear warm brown with a scattering of orange spots.

butterfly
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

Caddisfly Larva

A soft-bodied aquatic larva famous for building a portable protective case from sand, gravel, or plant debris bound together with silk.

aquatic-insect