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.

American Copper

American Copper

A small, bright orange-and-black butterfly with fiery copper-colored forewings and dusky gray hindwings edged in orange, commonly seen darting low over weedy fields and vacant lots.

butterfly
Little Yellow

Little Yellow

A tiny, pale lemon-yellow butterfly with a thin, crisp black wing border, fluttering close to the ground in fields and roadsides across the southern and eastern United States.

butterfly
Great Spangled Fritillary

Great Spangled Fritillary

A large, robust orange butterfly with bold black markings above and a striking array of large silvery spangles on a tawny-brown underside, closely tied to woodland violets.

butterfly

Tent Caterpillar

A social, blue-striped caterpillar that builds a conspicuous silken tent in the fork of a tree branch, sheltering large colonies of siblings that emerge together to feed on leaves.

caterpillar-larva
Spangled Skimmer

Spangled Skimmer

Named for the bright white 'spangles' at the base of its wings, the Spangled Skimmer pairs a powder-blue male body with crisp black-and-white wing markings.

dragonfly
Pearl Crescent

Pearl Crescent

A small, orange-and-black checkered butterfly that is one of the most abundant and widespread species in open fields across the continent, easily recognized by its crescent-shaped pale marking on the hindwing underside.

butterfly
Orange-barred Sulphur

Orange-barred Sulphur

One of the largest sulphur butterflies, bright yellow with a bold band of deep orange across the forewing and a solid orange wash on the hindwing in males.

butterfly

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
Trichogramma Wasp

Trichogramma Wasp

Barely larger than a speck of dust, the trichogramma wasp is one of the tiniest insects known. These minute parasitoids lay their eggs inside the eggs of moths and butterflies.

wasp

Tarantula Hawk Wasp

A giant metallic-blue wasp with rust-orange wings, the tarantula hawk is one of the largest wasps in the world. Females hunt tarantulas as living food for their single offspring.

wasp
Baltimore Checkerspot

Baltimore Checkerspot

A striking black butterfly checkered with rows of orange and cream-white spots, closely associated with wet meadows and its turtlehead host plant, and recognized as a state insect symbol in parts of its range.

butterfly
Ebony Jewelwing Damselfly

Ebony Jewelwing Damselfly

With a metallic emerald body and wings of solid inky black, the ebony jewelwing flutters like a delicate butterfly along shaded forest streams rather than darting like most other damselflies.

dragonfly
Northern Pearly-eye

Northern Pearly-eye

A shade-loving brown woodland butterfly with rows of dark, pale-ringed eyespots, more often seen resting on tree trunks in forest gaps than flying in open sun.

butterfly
Eyed Hawk-Moth

Eyed Hawk-Moth

A pinkish-brown hawk-moth that reveals a pair of large, blue-and-black eyespots on its hindwings when threatened, using the sudden flash of "eyes" to startle would-be predators.

moth
Garden Tiger Moth

Garden Tiger Moth

A boldly patterned tiger moth with chocolate-brown, cream-marbled forewings that flash to reveal vivid orange hindwings dotted with blue-black spots when the moth is disturbed.

moth
Six-spot Burnet Moth

Six-spot Burnet Moth

A day-flying moth with glossy black-green forewings marked by six bold red spots and vivid crimson hindwings, a striking warning-colored insect often mistaken for a butterfly as it visits summer wildflowers.

moth

Forest Tent Caterpillar

Named for the silk mats rather than tents it spins, this blue-gray caterpillar sports a row of pale keyhole- or footprint-shaped spots down its back and can appear in outbreak numbers that strip entire stands of trees bare.

caterpillar-larva
American Lady

American Lady

A boldly patterned orange-and-black brushfoot butterfly best identified by two large eyespots on its underside hindwing and a distinctive small white spot within the orange field of its forewing.

butterfly
Eastern Tiger Swallowtail

Eastern Tiger Swallowtail

A large, showy yellow-and-black striped swallowtail with elegant tail extensions on the hindwings, one of the most recognizable butterflies of eastern North American woodlands and gardens.

butterfly

Caterpillar

The soft-bodied, segmented larval stage of butterflies and moths, recognized by its worm-like shape, multiple pairs of stubby legs, and voracious appetite for leaves.

caterpillar-larva
Tarantula Hawk

Tarantula Hawk

One of the largest wasps in the world, with a glossy metallic blue-black body and vivid burnt-orange wings, famous for hunting tarantulas to provision a single underground burrow for its larva.

wasp
Gypsy Moth Caterpillar

Gypsy Moth Caterpillar

A hairy, mottled gray caterpillar marked with rows of paired blue and red dots down its back, notorious for periodic outbreak years that can strip entire forests bare.

caterpillar-larva
Jorō Spider

Jorō Spider

A large, strikingly colored East Asian orb weaver with yellow-and-blue-gray banding, now spreading rapidly across the southeastern United States and building enormous golden webs.

spider
Eastern Tent Caterpillar

Eastern Tent Caterpillar

A fuzzy, blue-flecked caterpillar with a pale stripe down its back, famous for spinning large communal silk tents in the forked branches of cherry and apple trees each spring.

caterpillar-larva