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.

Rosy Maple Moth

Rosy Maple Moth

A small, plush-looking moth in candy-pink and lemon-yellow, often described as one of the most vividly colored moths in North America despite its modest size.

moth
Sacred Scarab

Sacred Scarab

A stout, matte-black dung beetle famous for rolling balls of dung across the ground with its hind legs, and revered in Ancient Egypt as a symbol of the sun and renewal.

beetle
Jewel Beetle

Jewel Beetle

A sleek, bullet-shaped beetle wrapped in brilliant iridescent metallic colors — green, copper, blue, or gold — that seem to shift with the angle of light.

beetle
Speckled Wood

Speckled Wood

A dappled brown-and-cream butterfly that thrives in the sun-flecked shade of woodland edges, where it perches on sunlit leaves to defend its territory.

butterfly
Little Wood-Satyr

Little Wood-Satyr

A small, weak-flying brown butterfly with two prominent yellow-ringed eyespots on each wing, common along shaded woodland edges in late spring.

butterfly
Bark Louse

Bark Louse

A small, soft-bodied insect often seen in dense, moving herds on tree trunks, the bark louse grazes on algae, lichen, and fungal residue coating bark surfaces.

other
Ant-mimicking Mantis

Ant-mimicking Mantis

As a tiny nymph, this mantis moves in quick, jerky bursts to imitate a scurrying ant, a clever disguise it gradually sheds as it grows into a typical-looking adult mantis.

mantis-stick
Azure Bluet

Azure Bluet

A sky-blue damselfly of quiet ponds, the Azure Bluet is named for its vivid blue coloration and is often seen resting in loose swarms over floating vegetation.

dragonfly
Moth

Moth

A broad group of scale-winged insects related to butterflies, typically nocturnal, with stout, often furry bodies and feathery or thread-like antennae.

moth
Aedes Mosquito

Aedes Mosquito

A boldly patterned, day-active mosquito genus known for its black-and-white striped legs and habit of breeding in the smallest pockets of water.

fly
Soldier Beetle

Soldier Beetle

A slender, soft-bodied beetle in orange and black or yellow and brown, often seen clustered on late-summer flowers where it feeds on pollen, nectar, and small insects.

beetle
Tiger Beetle

Tiger Beetle

A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.

beetle
Mosquito

Mosquito

A slender, long-legged fly with a needle-like proboscis, narrow wings, and a distinctive high-pitched wing hum, most active around dawn, dusk, and in shaded, humid areas.

fly
House Spider

House Spider

A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.

spider
Elm Leaf Beetle

Elm Leaf Beetle

A yellow-green leaf beetle with dark side stripes that skeletonizes elm foliage and gathers in large numbers to overwinter in buildings.

beetle
Purseweb Spider

Purseweb Spider

A secretive, tube-dwelling spider that spends nearly its entire life hidden inside a silk-lined burrow extension camouflaged with soil and debris on the surface.

spider
Ogre-faced Spider

Ogre-faced Spider

A twig-like nocturnal spider with enormous, light-gathering eyes that weaves a small rectangular net and hurls it over passing prey in a lightning-fast ambush.

spider
Barn Spider

Barn Spider

A brownish, mottled orb weaver famous as the inspiration for Charlotte's Web, commonly found spinning large nightly webs on barns, porches, and other structures.

spider
Water Cricket

Water Cricket

Despite its name, the water cricket is not a cricket at all but a compact, velvety true bug that skates over the swirling surfaces of streams and riffles in search of trapped prey.

true-bug
Mourning Cloak Caterpillar

Mourning Cloak Caterpillar

A gregarious, velvety black caterpillar speckled with white dots and a striking row of brick-red spots down its back, often seen feeding in clusters on willow branches.

caterpillar-larva
Eastern Subterranean Termite

Eastern Subterranean Termite

A pale, soft-bodied social insect that lives in vast underground colonies and builds mud tubes to reach and feed on wood cellulose, including structural timber.

other
Great Silver Water Beetle

Great Silver Water Beetle

One of the largest beetles in Europe, the great silver water beetle is a glossy jet-black giant that rows through weedy ponds carrying a silvery film of air trapped beneath its body.

beetle
Tailless Whip Scorpion

Tailless Whip Scorpion

A flattened, spider-like arachnid with no stinger and no fangs, instead using a pair of long whip-like sensory legs and grasping spiny arms to feel out and seize prey in total darkness.

arachnid
Dust Mite

Dust Mite

A microscopic, translucent arachnid that lives unseen in household dust, feeding quietly on shed skin flakes within mattresses, carpets, and furniture.

arachnid