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.

Spittlebug

Spittlebug

A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.

true-bug
Mealybug

Mealybug

A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.

true-bug
Stag Beetle

Stag Beetle

A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.

beetle
Fireflies

Fireflies

A soft-bodied beetle famous for producing rhythmic, glowing flashes of light from its abdomen at dusk, used to signal and attract mates across meadows and gardens on warm summer evenings.

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
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
Water Strider

Water Strider

A slender, long-legged true bug famous for skating effortlessly across the surface of ponds and streams using water's surface tension.

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
Snail

Snail

A shelled land mollusk that carries a coiled, calcium-carbonate shell on its back and glides slowly across damp gardens and vegetation on a slime-lubricated foot.

other
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
Powderpost Beetle

Powderpost Beetle

A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.

beetle
Pill Millipede

Pill Millipede

A short, heavily armored millipede that rolls into a tight, perfect ball when disturbed, closely resembling a pill bug but built from far fewer, broader body segments.

myriapod
Lesser Water Boatman

Lesser Water Boatman

A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.

true-bug
Furniture Beetle

Furniture Beetle

A tiny, reddish-brown to dark brown cylindrical beetle whose larvae, commonly called 'woodworm,' bore small round tunnels through seasoned furniture and timber.

beetle
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
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
Cigarette Beetle

Cigarette Beetle

A tiny, reddish-brown, humpbacked beetle that rides along in stored dried herbs, spices, and tobacco wherever it hitches a ride.

beetle
Blacklegged Tick

Blacklegged Tick

A tiny, teardrop-shaped tick with dark legs and a reddish-brown abdomen that lurks in leaf litter along woodland trails.

arachnid
Culex Mosquito

Culex Mosquito

A large, worldwide genus of plain brown mosquitoes recognizable by their blunt abdomens and habit of resting flat against surfaces.

fly
Pavement Ant

Pavement Ant

A stocky brown to black ant famous for the dramatic "ant wars" its colonies wage along sidewalk cracks each spring.

ant
Privet Hawk-Moth

Privet Hawk-Moth

The largest resident hawk-moth in much of northern Europe, with streaked brown forewings and a striking abdomen banded in pink and black stripes.

moth
Peck's Skipper

Peck's Skipper

A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.

butterfly
Saddleback Caterpillar

Saddleback Caterpillar

An unmistakable stout caterpillar with a bright green saddle-shaped patch on a brown back, bristling with clusters of spines along its stocky body.

caterpillar-larva
Drugstore Beetle

Drugstore Beetle

A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.

beetle