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.

March Brown Mayfly

March Brown Mayfly

A speckled, mottled-winged mayfly whose springtime hatch is prized by anglers, the March Brown emerges from clean, rocky streams and is one of the earlier large mayflies of the season.

aquatic-insect

Alderfly

A small, dusky-winged insect that flutters weakly among streamside alders and shrubs, the diminutive relative of the mighty dobsonfly.

aquatic-insect
Honeybee

Honeybee

A fuzzy, golden-brown and black social bee that lives in large colonies, builds wax honeycomb, and is the primary managed pollinator of crops and wildflowers worldwide.

bee
Webbing Clothes Moth

Webbing Clothes Moth

A small, plain golden-buff moth that avoids light and flutters weakly from dark closets, leaving silken webbing where its larvae have grazed on wool and fur.

moth
Polyphemus Moth

Polyphemus Moth

A large tan-to-golden-brown silkmoth named for the mythological one-eyed giant, thanks to the single large, transparent eyespot on each hindwing that flashes into view when the moth is startled.

moth

Biting Midge

A minuscule, gray-winged fly that gathers in dense swarms near wetlands and can slip through window screens unnoticed.

fly

Green Lacewing

With delicate pale green wings and glittering golden eyes, the Green Lacewing is a familiar garden insect whose larvae are voracious predators of aphids and other soft-bodied pests.

other
Giant Desert Hairy Scorpion

Giant Desert Hairy Scorpion

The largest scorpion in North America, a robust golden-brown giant covered in fine bristles that digs deep burrows in the desert sand and hunts after dark.

arachnid
Clothes Moth

Clothes Moth

A tiny, pale golden moth that avoids light and flutters weakly from dark closets, more often noticed by the damage its larvae leave in stored fabrics than by the moth itself.

moth

Dung Fly

A hairy, often golden-hued fly commonly seen perched on fresh manure in pastures, where it hunts smaller insects as an adult while its larvae develop within the dung itself.

fly

Stonefly

A flattened, drab-winged insect whose nymphs are among the most reliable living indicators of pristine, well-oxygenated stream water.

aquatic-insect
Common Clothes Moth

Common Clothes Moth

A tiny, plain golden-buff moth that rarely flies far into open light, best known not for its adult form but for its silk-spinning larvae that chew holes in wool, fur, and feathers.

moth

Cicada Killer's Prey Cicada

A large, thick-bodied, clear-winged insect best known for the loud, buzzing chorus males produce from treetops on hot summer afternoons, and a preferred prey item of the cicada killer wasp.

true-bug

Fishfly Larva

A flattened, armor-plated predator of stream bottoms, the fishfly larva spends one to three years underwater seizing prey with sickle-shaped jaws before briefly taking wing as a short-lived winged adult.

aquatic-insect
Broad-Bodied Chaser

Broad-Bodied Chaser

A stout, flat-bodied dragonfly that is often the first to colonise a new garden pond, with males showing a powdery pale blue abdomen and females a warm golden-brown one.

dragonfly

Mayfly Nymph

A short-lived aquatic grazer with feathery gills along its abdomen, living for months underwater before a brief, spectacular mass emergence as a winged adult.

aquatic-insect
Julia Butterfly

Julia Butterfly

A brilliant, elongated-winged orange butterfly of tropical and subtropical habitats, with males glowing an intense unmarked orange and females showing subtler markings and a hint of black striping.

butterfly
Gulf Fritillary

Gulf Fritillary

A vivid orange, long-winged butterfly whose underside gleams with brilliant metallic silver spangles, closely tied to passionflower vines throughout the warmer parts of the Americas.

butterfly
Western Honey Bee

Western Honey Bee

The familiar golden-brown, fuzzy-banded honey bee kept worldwide for honey production and crop pollination, living in large perennial colonies built around wax comb and a single egg-laying queen.

bee
Zebra Longwing

Zebra Longwing

A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.

butterfly

Dobsonfly Larva (Hellgrammite)

A large, fierce-looking aquatic larva with strong pinching jaws and fringed side gills, spending years hunting under stream rocks before becoming a giant winged dobsonfly.

aquatic-insect
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
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

Antlion

An insect best known for its larval stage, the doodlebug, which digs a small conical pit trap in loose sand to ambush unwary ants, while the winged adult resembles a slender, delicate damselfly.

other