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.

Flea

Flea

A tiny, wingless, laterally flattened insect built for moving swiftly through fur, famous for its powerful hind legs that allow it to leap many times its own body length.

other
Water Flea

Water Flea

Despite the name, the water flea is not an insect at all but a tiny, jerky-swimming crustacean whose transparent body and single dark eye make it one of the most recognizable members of freshwater plankton.

other
Flea Beetle

Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

beetle
Springtail

Springtail

A minuscule, wingless hexapod best known for its spring-loaded tail-like structure that flicks it into sudden, erratic hops when disturbed, often found in huge numbers in damp soil and leaf litter.

other
Luna Moth Caterpillar

Luna Moth Caterpillar

A large, plump, apple-green caterpillar with faint yellow side stripes and rows of small red-orange tubercles, the larval form of one of North America's most beautiful giant silk moths.

caterpillar-larva
Yellow Garden Spider

Yellow Garden Spider

Bold black and yellow markings, a large orb web anchored with a bright zigzag of silk, and a habit of sitting in plain view make the yellow garden spider one of the most eye-catching and recognizable spiders in North American backyards.

spider
Giant Leopard Moth

Giant Leopard Moth

A striking white moth patterned with bold, hollow black rings and dots resembling leopard spots, revealing an iridescent blue-black abdomen marked with orange when its wings part, making it one of the most eye-catching tiger moths in North America.

moth
Great Purple Hairstreak

Great Purple Hairstreak

The largest and most iridescent hairstreak in North America, with brilliant blue-green upperwings, red-orange spots on the body and wing base, and long twin tails, its caterpillars feeding on parasitic mistletoe clumps in host trees.

butterfly