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.

Gall Midge

Gall Midge

A delicate, mosquito-like fly whose larvae trigger plants to grow strange, often colorful swellings called galls, each species usually tied to one particular host plant.

fly
Aphid Midge

Aphid Midge

A delicate, long-legged midge whose orange larvae are voracious aphid hunters. The aphid midge is a prized natural enemy of aphids in gardens and greenhouses.

fly
Midge

Midge

A slender, mosquito-like fly that forms dense swarms near water at dusk, easily mistaken for a mosquito but lacking any biting mouthparts.

fly
Gall Mite

Gall Mite

An almost worm-shaped, microscopic mite that induces plants to grow strange pouches, pockets, and felt-like patches around its feeding sites.

arachnid
Gall Wasp

Gall Wasp

A minuscule, rarely seen wasp whose larvae trigger plants, especially oaks, to grow distinctive round or spiky growths called galls that serve as both shelter and food supply.

wasp
Biting Midge

Biting Midge

A minuscule, gray-winged fly that gathers in dense swarms near wetlands and can slip through window screens unnoticed.

fly
Non-Biting Midge

Non-Biting Midge

A mosquito look-alike that gathers by the thousands in swirling mating swarms near lakes and ponds, despite lacking any ability to bite.

fly
Phantom Midge Larva

Phantom Midge Larva

Almost invisible in open water, the phantom midge larva is a slender, transparent predator that drifts through the water column, using a pair of internal gas-filled sacs to hover at precise depths while hunting tiny prey.

aquatic-insect
Non-Biting Midge Larva (Bloodworm)

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
Gnat

Gnat

A catch-all common name for a wide range of tiny, delicate flies, some no bigger than a grain of pepper, often seen hovering in small clouds near water, moist soil, or overripe produce.

fly
Punkie

Punkie

An almost invisibly small biting fly that swarms near wetlands at dusk, where only the females take blood meals from animal hosts.

fly
Wax Moth

Wax Moth

A plain grey-brown moth whose larvae tunnel through beeswax honeycomb, spinning silk webbing as they feed, making it a well-known pest of beekeeping operations.

moth
Chicken Mite

Chicken Mite

A tiny, blood-feeding mite that hides in cracks and crevices of poultry housing by day and emerges at night to feed on roosting birds, turning a dull gray to deep red after a blood meal.

arachnid
Waxworm

Waxworm

A soft, cream-colored grub found tunneling through beeswax comb, the waxworm is the larva of the wax moth and has become a household staple as fishing bait and reptile feed.

caterpillar-larva
Bark Beetle

Bark Beetle

A tiny, cylindrical, dark-bodied beetle that tunnels beneath tree bark, leaving distinctive branching gallery patterns as the clearest sign of its presence.

beetle
Old House Borer

Old House Borer

A grayish-brown to nearly black longhorn beetle whose larvae bore extensively through structural softwood, capable of causing large galleries hidden beneath the wood surface.

beetle