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.

Elm Seed Bug

Elm Seed Bug

A slim, brownish-orange seed bug that develops on elm seeds and becomes a familiar autumn nuisance as it seeks shelter on sun-warmed walls and window frames.

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Toe-Biter

One of the largest true bugs in the world, the toe-biter is a broad, flattened ambush predator that lies in wait among pond vegetation, seizing prey many times its own size with powerful raptorial front legs.

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Planthopper

A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.

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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.

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Water Boatman Bug

A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.

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Creeping Water Bug

Broad, oval, and flattened like a tiny shield, the creeping water bug crawls methodically through submerged vegetation rather than swimming freely, using its stout, raptorial front legs to seize prey.

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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.

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Treehopper

A small, oddly shaped sap-feeding bug best known for an enlarged, often bizarre pronotum extending backward over its body, sometimes shaped like a thorn, leaf, or spike.

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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.

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German Cockroach

German Cockroach

A small, fast-moving light brown to tan roach marked with two dark parallel stripes running down its pronotum, most often seen scurrying for cover in warm, moist indoor areas.

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Marsh Treader

Marsh Treader

An extremely slender, thread-like true bug that walks slowly and deliberately across the water's surface on stilt-like legs, resembling a tiny floating twig as it hunts among marsh vegetation.

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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.

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Brown Marmorated Stink Bug

Brown Marmorated Stink Bug

An invasive, mottled brown stink bug identified by alternating light and dark bands on its antennae and abdomen edges, well known for gathering in large numbers on and inside buildings each fall.

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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.

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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.

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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.

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Backswimmer

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

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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.

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Rose Chafer

Rose Chafer

A slender, tan, long-legged scarab beetle that gathers in swarms on rose blossoms and other flowers in late spring, chewing petals and foliage into a lacy, skeletonized pattern.

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Leaf Insect

A living illusion, this flattened green insect reproduces the veins, edges, and even blemishes of a real leaf so precisely that it can vanish while resting in plain sight.

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June Beetle

A stout, reddish-brown scarab beetle that emerges in late spring and early summer, famous for clumsily bumping into porch lights and window screens at night.

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Red Velvet Mite

A plump, brilliant red mite covered in a dense coat of short velvety hairs, often seen emerging onto the soil surface in numbers right after a heavy rain. Its vivid color and unusual size for a mite make it one of the more eye-catching arachnids most people will ever encounter.

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Cockchafer

Cockchafer

A large, reddish-brown scarab beetle with distinctive fan-shaped antennae, famous for its noisy, clumsy evening flights around trees in late spring, giving rise to its alternate name, the May bug.

beetle
American Cockroach

American Cockroach

The largest common house-infesting cockroach, a reddish-brown, glossy insect with long antennae and a pale yellowish band edging the shield behind its head, capable of both fast running and short bursts of flight.

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