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.

Vine Weevil

Vine Weevil

A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.

beetle
Black Vine Weevil

Black Vine Weevil

A flightless, all-black snout beetle notorious for notching the edges of leaves at night while its underground larvae feed on plant roots and crowns.

beetle
Squash Vine Borer

Squash Vine Borer

A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.

moth
Gulf Fritillary Caterpillar

Gulf Fritillary Caterpillar

A vivid burnt-orange caterpillar bristling with rows of branched black spines that specializes almost exclusively on passionflower vines.

caterpillar-larva
Vinegar Fly

Vinegar Fly

A tiny tan fly with bright red eyes that seems to appear out of nowhere the moment a banana starts to spoil, drawn in by the smell of fermentation rather than the fruit itself. Few insects have contributed more to the science of genetics, making this unassuming kitchen visitor one of the most studied animals on Earth.

fly
Vinegaroon

Vinegaroon

A robust, dark, scorpion-like arachnid whose long, thin whip for a tail gives it its name, and whose signature defense is spraying a concentrated mist of vinegar-scented fluid rather than stinging. Despite its intimidating look, it has no venom at all.

arachnid
Fruit Fly (Vinegar Fly)

Fruit Fly (Vinegar Fly)

A tiny tan fly with bright red eyes that seems to appear from nowhere the moment a piece of fruit begins to overripen or a splash of wine is left uncovered.

fly
Squash Bug

Squash Bug

A flat-backed, brownish-gray true bug commonly found clustered on the leaves and stems of squash and pumpkin plants, where it feeds by piercing plant tissue.

true-bug

Zebra Longwing Caterpillar

A creamy-white caterpillar dotted with black spots and armed with branching black spines, feeding exclusively on passionflower vines whose chemistry it stores for defense.

caterpillar-larva
Gulf Fritillary

Gulf Fritillary

A vivid orange, long-winged butterfly whose underside gleams with brilliant metallic silver spangles, closely tied to passionflower vines throughout the warmer parts of the Americas.

butterfly
Fruit Fly

Fruit Fly

A tiny tan fly with prominent red eyes that swarms around overripe fruit, wine, and vinegar, appearing seemingly out of nowhere thanks to an extremely fast life cycle.

fly