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.

Deer Tick

Deer Tick

A small, dark-legged tick with a reddish-brown, teardrop-shaped body, noticeably smaller than many other common tick species and often found questing in wooded or grassy edge habitats.

arachnid
Eastern Lubber Grasshopper

Eastern Lubber Grasshopper

One of the largest grasshoppers in North America, the eastern lubber is a slow, flightless giant clad in bold black, yellow, and red that announces its presence rather than hiding from it.

grasshopper-cricket

Cone-headed Katydid

A large, grass-colored katydid named for its sharply pointed, cone-shaped head, best known for producing some of the loudest, most sustained buzzing calls of any North American insect.

grasshopper-cricket

Dragonhunter

North America's largest clubtail, the Dragonhunter is a powerful predator that lives up to its name by capturing and eating other dragonflies, including species nearly its own size.

dragonfly

Burying Beetle

A black beetle marked with bold orange-red bands, notable for locating small dead animals, burying them underground, and cooperatively raising larvae with a partner over the buried carcass.

beetle
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
Imperial Moth

Imperial Moth

One of the largest and most variably patterned silk moths in North America, with broad yellow wings mottled in shades of purple, brown, and pink, and a caterpillar that can grow to impressive size on a wide range of forest trees.

moth

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
Differential Grasshopper

Differential Grasshopper

A large, robust grasshopper with a bold black herringbone pattern etched along its swollen hind legs, the differential grasshopper is one of the biggest and most recognizable pest grasshoppers in North America.

grasshopper-cricket
Corn Earworm

Corn Earworm

A color-variable caterpillar, ranging from pale green to reddish-brown, that burrows headfirst into corn ears and is one of the most economically significant crop pests in North America.

caterpillar-larva
Cicada Killer Wasp

Cicada Killer Wasp

One of the largest wasps in North America, a robust rust-and-black or yellow-marked digger wasp that excavates burrows in bare soil and specializes in hunting cicadas to provision its underground nest.

wasp
Metallic Wood-boring Beetle

Metallic Wood-boring Beetle

The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.

beetle
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
European Mantis

European Mantis

A slender, typically bright green mantis native to Europe, Africa, and Asia, now widely established in North America, easily recognized by a small dark bullseye mark on the inside of its front legs.

mantis-stick
Eastern Tiger Swallowtail

Eastern Tiger Swallowtail

A large, showy yellow-and-black striped swallowtail with elegant tail extensions on the hindwings, one of the most recognizable butterflies of eastern North American woodlands and gardens.

butterfly

Dampwood Termite

A relatively large termite that nests directly inside heavily moistened, decaying wood such as rotting logs and stumps, needing no soil contact but requiring consistently damp timber.

other

Bumble Bee Queen

The large, robust foundress of a bumble bee colony, noticeably bigger and fuzzier than her worker offspring, seen alone in early spring searching for a nesting cavity before her colony's first workers emerge.

bee
Yellow Garden Spider

Yellow Garden Spider

Bold black and yellow markings, a large orb web anchored with a bright zigzag of silk, and a habit of sitting in plain view make the yellow garden spider one of the most eye-catching and recognizable spiders in North American backyards.

spider
Palo Verde Beetle

Palo Verde Beetle

One of the largest beetles in North America, a heavy, dark reddish-brown longhorn beetle with long spiny antennae and a loud, buzzing flight that emerges from the desert soil around palo verde and mesquite trees in summer.

beetle
European Hornet

European Hornet

A large, robust wasp with a reddish-brown thorax, yellow-and-brown striped abdomen, and a distinctive habit of nesting in hollow trees, making it the largest true hornet native to Europe and introduced to eastern North America.

wasp
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
Bollworm

Bollworm

One of the most economically significant caterpillars in North American agriculture, the bollworm changes color from green to brown to pink across its life and bores into cotton bolls, corn ears, and tomato fruit alike.

caterpillar-larva

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
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