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.

Maggot

Maggot

A pale, legless, tapering grub that wriggles through rotting food and organic waste, the larval stage of a fly.

caterpillar-larva
Azure Bluet

Azure Bluet

A sky-blue damselfly of quiet ponds, the Azure Bluet is named for its vivid blue coloration and is often seen resting in loose swarms over floating vegetation.

dragonfly
Green Grasshopper

Green Grasshopper

A bright grass-green grasshopper with a rasping, sustained song, the common green grasshopper is one of the most familiar sounds of a European summer meadow.

grasshopper-cricket
Seven-spotted Ladybird

Seven-spotted Ladybird

A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.

beetle
Alderfly

Alderfly

A small, dusky-winged insect that flutters weakly among streamside alders and shrubs, the diminutive relative of the mighty dobsonfly.

aquatic-insect
Aedes Mosquito

Aedes Mosquito

A boldly patterned, day-active mosquito genus known for its black-and-white striped legs and habit of breeding in the smallest pockets of water.

fly
Ant-mimic Spider

Ant-mimic Spider

A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.

spider
Fire Ant

Fire Ant

A small reddish-brown ant that builds loose, crater-less dirt mounds in sunny open turf and mobilizes large numbers of workers rapidly when the nest is disturbed.

ant
Itch Mite

Itch Mite

A microscopic, rounded mite that spends its entire life cycle within the skin of a mammalian host, invisible without a microscope.

arachnid
Atlas Moth

Atlas Moth

One of the largest moths in the world by wing surface area, the Atlas Moth is a giant reddish-brown silkmoth with striking triangular wingtip patches that resemble the heads of snakes.

moth
Trap-Jaw Ant

Trap-Jaw Ant

A large, fast-moving ant with elongated, straight mandibles that snap shut faster than almost any other animal movement, used to strike prey or fling the ant itself out of danger.

ant
Face Fly

Face Fly

A house fly look-alike that clusters persistently around the eyes, muzzle, and face of grazing livestock to feed on moisture and secretions.

fly
Polyphemus Moth Caterpillar

Polyphemus Moth Caterpillar

A plump, apple-green giant silk moth larva with rows of silvery spots that swells to the size of a large finger before spinning a papery brown cocoon.

caterpillar-larva
White Admiral

White Admiral

A large, dark butterfly crossed by a bold white band on both wings, the northern form of the same species that produces the iridescent blue Red-spotted Purple farther south.

butterfly
Cobweb Spider

Cobweb Spider

A common household spider that spins a messy, three-dimensional tangle of silk in dark corners and drags entangled insects up into the maze to feed.

spider
Question Mark Caterpillar

Question Mark Caterpillar

A spiny, variably colored caterpillar named for the silver question-mark-shaped mark on the underside of the adult butterfly's wings.

caterpillar-larva
Wall Spider

Wall Spider

A tiny, flattened spider that spins a small disc-shaped web hugging the surface of a wall and darts sideways in a quick, erratic dash when disturbed.

spider
Goliath Beetle

Goliath Beetle

One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.

beetle
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Dead Leaf Mantis

Dead Leaf Mantis

A master of disguise whose broad, curled, vein-textured body is nearly indistinguishable from a curled, decaying leaf lying on the forest floor.

mantis-stick
Indian Stick Insect

Indian Stick Insect

A slender, twig-mimicking insect so unremarkable in stillness that it disappears among the stems it feeds on, one of the most widely raised stick insects in the world.

mantis-stick
Culex Mosquito

Culex Mosquito

A large, worldwide genus of plain brown mosquitoes recognizable by their blunt abdomens and habit of resting flat against surfaces.

fly
Field Cricket

Field Cricket

A stout, dark cricket whose loud, rhythmic chirping is one of the most familiar summer and fall night sounds in fields and lawns across much of the world.

grasshopper-cricket
Black Soldier Fly

Black Soldier Fly

A sleek, dark, wasp-like fly whose larvae are voracious decomposers of decaying organic material, while the short-lived adults do not feed at all.

fly