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.

Japanese Beetle

Japanese Beetle

A small, iridescent beetle with a metallic green head and thorax and coppery-bronze wing covers, notorious for skeletonizing the leaves of roses, grapevines, and hundreds of other garden plants.

beetle
Stag Beetle

Stag Beetle

A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.

beetle
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
Wolf Spiderling

Wolf Spiderling

A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.

spider

Peacock Spider

A tiny Australian jumping spider whose males unfurl a fan of vivid, iridescent colors and perform an elaborate rhythmic dance to court females.

spider

Mouse Spider

A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.

spider
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
Hercules Beetle

Hercules Beetle

One of the largest beetles in the world, with males bearing dramatic, forceps-like horns nearly as long as the rest of their armored, olive-green body.

beetle

Dobsonfly

A massive, primitive-looking insect whose males brandish absurdly long, curved mandibles used for wrestling rivals rather than for feeding.

aquatic-insect

Fishfly

A smaller, more modestly built cousin of the dobsonfly, often mistaken for its larger relative but lacking the dramatic elongated mandibles of male dobsonflies.

aquatic-insect
Dance Fly

Dance Fly

A slender, long-legged predatory fly named for the swarming courtship dances males perform at dusk, often while carrying a captured insect as an offering.

fly
Common Whitetail Dragonfly

Common Whitetail Dragonfly

A stocky pond-side dragonfly whose mature males sport a broad, chalky white abdomen that flashes conspicuously against boldly banded wings.

dragonfly
Atlas Beetle

Atlas Beetle

A large, glossy black-to-metallic rhinoceros beetle in which males bear three long curved horns used for combat over food and mates.

beetle
Ruby Meadowhawk

Ruby Meadowhawk

A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.

dragonfly
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
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
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
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
Orange Tip

Orange Tip

A dainty white butterfly whose males flash vivid orange wingtip patches, while both sexes show a beautifully marbled green-and-white pattern on the underwings.

butterfly
European Stag Beetle

European Stag Beetle

Europe's largest beetle, a glossy dark brown insect in which males carry oversized antler-like mandibles used to wrestle rivals, resembling the antlers of a stag.

beetle
Diana Fritillary

Diana Fritillary

A large southern Appalachian fritillary famous for extreme sexual dimorphism — males are burnt-orange and black while females are an iridescent blue-black that mimics a distasteful swallowtail.

butterfly
Emperor Dragonfly

Emperor Dragonfly

One of Europe's largest and most powerful dragonflies, a fast, high-flying hunter with a bright sky-blue abdomen in males and a commanding, tireless patrol over open water.

dragonfly
Blue Dasher Dragonfly

Blue Dasher Dragonfly

A small, common dragonfly whose mature males combine a powdery blue abdomen with brilliant green eyes, often seen perched horizontally with its tail raised skyward.

dragonfly
Yellow Dung Fly

Yellow Dung Fly

A golden, densely furred fly whose bright males cluster on fresh cow pats in pastures, competing for mates while ambushing smaller insects drawn to the same spot.

fly