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.

Giant Asian Mantis

Giant Asian Mantis

A bulky, leaf-green predator that sits patiently among foliage, its powerful spined forelegs poised to snatch any insect that strays too close.

mantis-stick
Green Drake Mayfly

Green Drake Mayfly

Famous among anglers for triggering explosive trout feeding frenzies, the Green Drake Mayfly is a large, striking insect whose brief springtime emergence is one of the most anticipated events on many rivers.

aquatic-insect
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.

other
Glowworm Beetle

Glowworm Beetle

A beetle whose females remain larva-like and glowing for their entire lives, producing rows of soft greenish light along their segmented, worm-like bodies, while males develop into small, feathery-antennaed flying beetles.

beetle
Ironclad Beetle

Ironclad Beetle

A slow-moving, mottled gray beetle famed for having one of the hardest, most crush-resistant exoskeletons of any insect, often found clinging motionless to dead wood or tree bark.

beetle
Tsetse Fly

Tsetse Fly

A stout grayish-brown fly of African woodlands whose rigid, forward-jutting proboscis and scissor-folded wings set it apart from any ordinary house fly.

fly
Screech Beetle

Screech Beetle

This small, oval water beetle earns its name from the loud squeak it produces when picked up, a sound made by rubbing internal body parts together rather than by any vocal organ.

beetle
Cone-headed Katydid

Cone-headed Katydid

A large, grass-colored katydid named for its sharply pointed, cone-shaped head, best known for producing some of the loudest, most sustained buzzing calls of any North American insect.

grasshopper-cricket
Twenty-plume Moth

Twenty-plume Moth

A tiny, unusual moth whose wings are each divided into numerous slender, feather-like plumes rather than solid membranes, giving it a delicate, fringed appearance unlike almost any other moth.

moth