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.

Jerusalem Cricket

Jerusalem Cricket

A large, wingless, ground-dwelling insect with a shiny amber body, a strikingly human-like face, and a robust, banded abdomen, most often uncovered while digging in soil.

grasshopper-cricket
Mesh Web Weaver

Mesh Web Weaver

A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.

spider
Orange Tip

Orange Tip

A dainty white butterfly whose males flash vivid orange wingtip patches, while both sexes show a beautifully marbled green-and-white pattern on the underwings.

butterfly
Indian Stick Insect

Indian Stick Insect

A slender, twig-mimicking insect so unremarkable in stillness that it disappears among the stems it feeds on, one of the most widely raised stick insects in the world.

mantis-stick
Walking Stick

Walking Stick

A remarkably twig-like insect with a long, slender, brown to green body and thin legs, so effective at mimicking a plant stem that it can be nearly invisible while motionless on vegetation.

mantis-stick
Bed Bug (Bat Bug)

Bed Bug (Bat Bug)

A small, flat, reddish-brown, wingless true bug that hides in tight seams and crevices by day and feeds on blood at night, closely related to the bat bug, which occupies a similar niche in bat roosts.

true-bug
Chinch Bug

Chinch Bug

A tiny black-and-white true bug that feeds on grasses, often overlooked individually but capable of forming dense colonies in sunny, dry patches of lawn.

true-bug
Monarch's Milkweed

Monarch's Milkweed

A boldly orange-and-black true bug that shares milkweed plants with Monarch butterfly caterpillars, often clustering in large groups on seed pods and stems.

true-bug
Milkweed Bug (Large Milkweed Bug)

Milkweed Bug (Large Milkweed Bug)

A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.

true-bug
Small Milkweed Bug

Small Milkweed Bug

A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.

true-bug
Water Cricket

Water Cricket

Despite its name, the water cricket is not a cricket at all but a compact, velvety true bug that skates over the swirling surfaces of streams and riffles in search of trapped prey.

true-bug
Green Shield Bug

Green Shield Bug

A broad, shield-shaped true bug in solid bright green with a bronzy tinge in autumn, the green shield bug is one of the most commonly encountered stink bugs in European gardens and hedgerows.

true-bug
Backswimmer

Backswimmer

A boat-shaped aquatic true bug that swims upside down using oar-like hind legs, patrolling pond water in search of small prey.

aquatic-insect
Colorado Potato Beetle

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
Woolly Aphid

Woolly Aphid

A tiny, soft-bodied aphid that hides beneath a dense coat of white, cottony wax filaments, often appearing as fuzzy white patches clustered on bark or twigs rather than as recognizable insects.

true-bug
Common House Spider

Common House Spider

Tucked into a messy tangle of silk in a quiet corner, the common house spider is one of the most familiar indoor spiders, quietly picking off flies and other small insects that blunder into its web.

spider
Vietnamese Walking Stick

Vietnamese Walking Stick

A slender tropical stick insect popular in classrooms and terrariums, notable for females that can produce healthy offspring entirely on their own, without ever mating.

mantis-stick
Common Clubtail

Common Clubtail

This river-loving dragonfly gets its name from the noticeably widened, club-shaped tip of its abdomen, which it displays as it rests on sunlit waterside vegetation.

dragonfly
Skipper Butterfly

Skipper Butterfly

A stocky, fast-darting butterfly with a large head, hooked antennae tips, and thick furry body, intermediate in appearance between butterflies and moths, named for its quick, skipping flight.

butterfly
Giant Walking Stick

Giant Walking Stick

The longest insect in the United States, this brown, thread-thin giant sways gently on its perch to complete the illusion of a wind-stirred twig.

mantis-stick
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
Fall Webworm

Fall Webworm

A pale, hairy caterpillar that spins loose, messy silk webs enclosing entire leaf clusters at the tips of tree branches, becoming especially noticeable in late summer and fall.

caterpillar-larva
Thrips

Thrips

A minuscule, slender insect with fringed, feather-like wings, often noticed only as a fast-moving dark speck darting across a flower petal or windowsill.

other
Meadow Spittlebug

Meadow Spittlebug

A small, mottled hopping true bug whose immature nymphs are far more often noticed than the adults, hidden inside frothy blobs of white foam known as cuckoo spit on plant stems.

true-bug