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.

Mosquito

Mosquito

A slender, long-legged fly with a needle-like proboscis, narrow wings, and a distinctive high-pitched wing hum, most active around dawn, dusk, and in shaded, humid areas.

fly
Assassin Bug

Assassin Bug

A slender, long-legged predatory true bug with a curved, needle-like beak used to ambush and pierce other insects, often patterned in bold orange, black, or red warning colors.

true-bug
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.

beetle
Cactus Fly

Cactus Fly

A slender, long-legged desert fly that specializes in breeding within the soft, fermenting tissue of decaying cactus, particularly saguaro and other columnar cacti.

fly
Crazy Ant

Crazy Ant

A fast-moving, long-legged ant instantly recognizable by its erratic, non-stop scurrying in every direction rather than the orderly trails followed by most other ants.

ant

Cave Spider

A long-legged orb weaver adapted to the twilight zone of caves, spinning large webs across cavern mouths and dangling its egg sacs from silk threads deep within the darkness.

spider
Paper Wasp

Paper Wasp

A slender, long-legged wasp with a narrow waist and reddish-brown to black coloring marked with yellow, recognized by its open, umbrella-shaped paper nest with visible hexagonal cells.

wasp

Nursery Web Spider

Named for the silken nursery tent females weave to guard their hatching young, this slender, long-legged spider carries her large egg sac beneath her body in her fangs until the eggs are ready to hatch.

spider

Golden Silk Orb-Weaver Spider

Famous for spinning enormous webs of shimmering golden silk, the golden silk orb-weaver is a large, long-legged spider of warm climates. Females dwarf the tiny males and hang head-down in their sprawling snares.

spider
Thorn Bug

Thorn Bug

A tiny treehopper whose greatly enlarged, thorn-shaped pronotum lets it disappear in plain sight among the real thorns of the branches it clusters on.

true-bug

Non-Biting Midge Larva (Bloodworm)

Wriggling through soft bottom mud in dense colonies, the bloodworm gets its striking red color from a specialized blood pigment that lets it survive in oxygen-poor water where few other insects can.

aquatic-insect