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.

Banded Garden Spider

Banded Garden Spider

A large orb weaver with a silvery, banded abdomen striped in yellow and black, spinning a distinctive zigzag stabilimentum through the center of its web.

spider
Stinging Rose Caterpillar

Stinging Rose Caterpillar

A boldly striped slug caterpillar in candy-like tones of yellow, orange, and purple, crowned with tufted spine clusters that can sting on contact.

caterpillar-larva

Sand Wasp

A fast, sun-loving solitary wasp with large green or grayish eyes and yellow-striped markings that digs burrows in loose sand and provisions them almost entirely with flies.

wasp
Armyworm

Armyworm

A striped, greenish-brown caterpillar that gets its name from its habit of migrating in dense, destructive groups across grass and grain fields.

caterpillar-larva
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
Painted Grasshopper

Painted Grasshopper

A large, boldly striped grasshopper of South Asia whose vivid green, yellow, and black pattern warns predators that it has fed on toxic milkweed plants.

grasshopper-cricket
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
Leafhopper

Leafhopper

A small, wedge-shaped insect that darts sideways and springs away in quick hops when disturbed, often brightly striped or patterned and found clinging to the underside of leaves.

true-bug
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
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
Zebra Swallowtail

Zebra Swallowtail

A sleek, triangular-winged swallowtail striped boldly in black and pale green-white like a zebra, with long tails and red-and-blue accent spots, whose caterpillars feed exclusively on pawpaw trees.

butterfly

Grass Spider

Best known for the shimmering, dew-covered funnel webs that appear across lawns on autumn mornings, grass spiders are swift, striped runners that dash into a silken tunnel the instant prey - or a threat - approaches.

spider

Firefly

A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.

beetle
Vine Weevil

Vine Weevil

A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.

beetle
Boll Weevil

Boll Weevil

A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.

beetle
Seven-spotted Ladybird

Seven-spotted Ladybird

A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.

beetle
Emerald Ash Borer

Emerald Ash Borer

A slender, bullet-shaped beetle with brilliant metallic-green coloring, whose bark-tunneling larvae feed almost exclusively within ash trees.

beetle
Two-Spotted Stink Bug

Two-Spotted Stink Bug

A boldly patterned black-and-orange predatory stink bug named for the pair of dark spots on its back, best known for hunting Colorado potato beetle larvae in gardens and fields.

true-bug

Fireflies (Lightning Bug)

A soft-bodied beetle that turns summer evenings magical by flashing rhythmic patterns of cold light from its abdomen to attract mates across meadows and forest edges.

beetle
Spined Soldier Bug

Spined Soldier Bug

A predatory stink bug identified by the sharp, pointed spines projecting from its shoulders, valued in gardens and farm fields for hunting caterpillars, beetle larvae, and other pest insects.

true-bug
Cottonwood Borer

Cottonwood Borer

A large, boldly patterned longhorn beetle in black and chalky white checkerboard markings, often found clinging to the trunks of cottonwood and poplar trees near its larvae's root tunnels.

beetle

Predatory Stink Bug

Unlike its plant-feeding relatives, the predatory stink bug is a hunter that spears caterpillars and beetle larvae with a stout beak. The spined soldier bug is a familiar shield-shaped garden ally.

true-bug
Bordered Plant Bug

Bordered Plant Bug

A dark, oval-bodied true bug with a distinct pale margin around its wing edges, often mistaken for a large ant or beetle when its nymphs cluster together in tight groups.

true-bug
Tachinid Fly

Tachinid Fly

A bristly, house-fly-like insect that looks unremarkable at a glance but hides one of the most important ecological roles among flies: its larvae develop as internal parasites of caterpillars, beetles, and other insects, quietly regulating populations across the landscape. Gardeners often welcome tachinid flies as natural allies against crop-damaging pests.

fly