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.

Whitefly

Whitefly

A tiny, moth-like white insect that clusters on the undersides of leaves and bursts into a snowy cloud when the plant is disturbed. Despite the name, it is not a true fly but a sap-feeding relative of aphids and scale insects.

true-bug
Lanternfly (Spotted Lanternfly)

Lanternfly (Spotted Lanternfly)

A strikingly patterned planthopper with grey, spotted forewings that flash to reveal crimson hindwings when it leaps, now notorious as an invasive agricultural pest far from its native range.

true-bug
Water Flea

Water Flea

Despite the name, the water flea is not an insect at all but a tiny, jerky-swimming crustacean whose transparent body and single dark eye make it one of the most recognizable members of freshwater plankton.

other
Asian Longhorned Beetle

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
Fox Moth

Fox Moth

A stout, reddish-brown moth with a pale diagonal band across each forewing, closely resembling a fox in color, most often noticed as its large, densely furred dark caterpillar basking on open ground in spring.

moth
Lesser Water Boatman

Lesser Water Boatman

A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.

true-bug
Pill Millipede

Pill Millipede

A short, heavily armored millipede that rolls into a tight, perfect ball when disturbed, closely resembling a pill bug but built from far fewer, broader body segments.

myriapod