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.

Tawny Emperor

Tawny Emperor

A warm orange-brown woodland butterfly, close relative of the Hackberry Emperor, best distinguished by its lack of a forewing eyespot and its habit of feeding on sap and dung rather than flowers.

butterfly
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
Common Wasp

Common Wasp

A black-and-yellow social wasp with a distinct anchor-shaped mark on its face, common around gardens and picnics in late summer as its colony reaches peak size and workers seek out sugary food.

wasp
Mourning Cloak

Mourning Cloak

A dark, velvety maroon-brown butterfly edged with a ragged cream-yellow border and a row of iridescent blue spots, notable for overwintering as an adult and often being one of the very first butterflies seen flying in early spring.

butterfly
Red-spotted Purple

Red-spotted Purple

A large, iridescent blue-black butterfly lacking tails, notable for closely mimicking the unpalatable Pipevine Swallowtail, with rows of red-orange spots visible along the underside wing margins.

butterfly
Blue-eyed Darner

Blue-eyed Darner

A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.

dragonfly
Two-Spotted Spider Mite

Two-Spotted Spider Mite

A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.

arachnid
Grizzled Mantis

Grizzled Mantis

Mottled in shades of gray and lichen-green, this flattened mantis presses itself against tree bark so convincingly that it seems to melt into the trunk.

mantis-stick
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
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
Orchid Mantis

Orchid Mantis

A dazzling pink-and-white mantis whose petal-shaped leg lobes let it pass as a flower, luring pollinating insects close enough to ambush.

mantis-stick
Armyworm Moth

Armyworm Moth

A plain tan to reddish-brown moth whose caterpillars are famous for marching in large groups across fields, stripping grasses and grain crops as they move.

moth
Ant-mimic Spider

Ant-mimic Spider

A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.

spider
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
Predaceous Diving Beetle

Predaceous Diving Beetle

A sleek, streamlined beetle built for underwater hunting, carrying its own air supply as it patrols ponds in search of prey.

aquatic-insect
Cabbage Looper

Cabbage Looper

A pale green caterpillar with thin white stripes that arches its back into a loop as it inches along cabbage and other garden leaves.

caterpillar-larva
Powdered Dancer

Powdered Dancer

Named for the pale, frosty bloom that coats mature males, the Powdered Dancer is a robust river damselfly often seen basking on sunlit rocks and gravel bars.

dragonfly
Money Spider

Money Spider

A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.

spider
Millipede

Millipede

A slow-moving, cylindrical, many-legged detritivore with two pairs of legs per body segment, often seen curling into a tight spiral when disturbed.

myriapod
Bottle Fly

Bottle Fly

A stout fly with a shining, metallic blue body that produces a loud, deep buzz and is commonly seen darting around trash cans, compost, and outdoor gatherings.

fly
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
Water Measurer

Water Measurer

Thin as a splinter and slow-stepping across the surface film, the water measurer creeps along pond edges spearing tiny prey with its needle-like snout.

true-bug
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
Convergent Ladybird Beetle

Convergent Ladybird Beetle

A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.

beetle