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.

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
Yellow-spotted Millipede

Yellow-spotted Millipede

A striking black millipede lined with bright yellow-orange spots along its flanks, one of the most recognizable invertebrates of the Pacific coast's damp forest floors.

myriapod
Asian Giant Hornet

Asian Giant Hornet

The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.

wasp
Banded Woolly Bear Moth

Banded Woolly Bear Moth

Best known as the black-and-rust-banded fuzzy caterpillar that famously curls into a ball when disturbed, this species matures into a plain golden-orange to tan tiger moth.

moth
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
Great Spangled Fritillary

Great Spangled Fritillary

A large, robust orange butterfly with bold black markings above and a striking array of large silvery spangles on a tawny-brown underside, closely tied to woodland violets.

butterfly
Dung Beetle

Dung Beetle

A stout, often glossy black or metallic beetle famous for rolling, burying, or tunneling into animal dung, an unglamorous but ecologically vital habit that recycles nutrients back into the soil.

beetle
Orange Sulphur

Orange Sulphur

A vivid orange-and-yellow butterfly with sharp black wing borders, one of the most common butterflies over open fields and alfalfa crops throughout North America.

butterfly
Asian Lady Beetle

Asian Lady Beetle

A highly variable orange-to-red ladybird beetle, often bearing many black spots or none at all, famous for swarming into homes in large numbers during autumn.

beetle
Checkered White

Checkered White

A white butterfly patterned with irregular gray-black checkered spots, commonly fluttering low over open, sunny, weedy fields across much of North America.

butterfly
Little Yellow

Little Yellow

A tiny, pale lemon-yellow butterfly with a thin, crisp black wing border, fluttering close to the ground in fields and roadsides across the southern and eastern United States.

butterfly
American Dagger Moth Caterpillar

American Dagger Moth Caterpillar

A pale, sulfur-yellow to cream fuzzball bristling with dense tufts of hair and long black 'pencils' projecting from both ends, the American dagger moth caterpillar is one of the most recognizable hairy caterpillars on hardwood trees in fall.

caterpillar-larva
Milkweed Bug

Milkweed Bug

A bold orange-and-black true bug that clusters conspicuously on milkweed seed pods, its warning colours advertising the plant toxins it safely stores from its host.

true-bug
Garden Tiger Moth

Garden Tiger Moth

A boldly patterned tiger moth with chocolate-brown, cream-marbled forewings that flash to reveal vivid orange hindwings dotted with blue-black spots when the moth is disturbed.

moth
Ground Beetle

Ground Beetle

A fast-moving, shiny black or metallic beetle with long legs and prominent jaws, usually found scurrying under rocks and debris where it hunts other small invertebrates.

beetle
Yellowjacket

Yellowjacket

A boldly striped black-and-yellow social wasp with a smooth, shiny body and a fast, darting flight, often noticed hovering around food and sugary drinks in late summer.

wasp
Eyed Hawk-Moth

Eyed Hawk-Moth

A pinkish-brown hawk-moth that reveals a pair of large, blue-and-black eyespots on its hindwings when threatened, using the sudden flash of "eyes" to startle would-be predators.

moth
Clouded Sulphur

Clouded Sulphur

A medium-sized pale yellow butterfly with crisp black wing borders, commonly seen fluttering low over clover fields and roadside meadows across North America.

butterfly
Zebra Longwing

Zebra Longwing

A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.

butterfly
Pipevine Swallowtail

Pipevine Swallowtail

A striking black swallowtail with iridescent blue-green hindwings and a row of round orange spots beneath, whose toxin-sequestering caterpillars make it a model for several butterfly mimics.

butterfly
Carolina Grasshopper

Carolina Grasshopper

Well camouflaged against dusty ground until it bursts into flight, the Carolina grasshopper flashes broad black hindwings edged in pale yellow before dropping back into invisibility.

grasshopper-cricket
Honey Bee

Honey Bee

A fuzzy, golden-brown and black-banded bee that lives in large, highly organized colonies, best known for its role in pollination and its production of wax comb and honey.

bee
Ladybug

Ladybug

A small, round, brightly colored beetle with a domed, shiny shell typically red or orange with black spots, one of the most recognizable and beloved beetles found in gardens worldwide.

beetle
Spotted Cucumber Beetle

Spotted Cucumber Beetle

A small, elongated yellow-green beetle marked with twelve black spots across its wing covers, commonly seen on cucurbit and corn plants throughout the growing season.

beetle