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.

Colorado Potato Beetle
A rounded, boldly striped yellow-and-black beetle that is one of the most notorious defoliators of potato plants, easily spotted marching across leaves in gardens and fields.
beetle
Hornet
A large, robust social wasp with a reddish-brown and yellow patterned body, notably bigger than yellowjackets, building enclosed papery nests often high in tree cavities or wall voids.
wasp
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
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
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
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
Western Conifer Seed Bug
A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.
true-bug