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.

Devil's Flower Mantis

Devil's Flower Mantis

One of the largest mantis species on Earth, this striking insect can suddenly rear up and fan out vividly colored wings and legs into a dramatic, flower-like threat display.

mantis-stick
Common House Fly

Common House Fly

A dull gray fly with four dark stripes down its back, the house fly is one of the most familiar insects on Earth, following people and their food waste to every continent.

fly
Painted Lady

Painted Lady

One of the most widely distributed butterflies on Earth, recognized by its orange-and-black mosaic wings with white-spotted black tips and its habit of long-distance migration across continents.

butterfly
Common Housefly

Common Housefly

A dull gray fly with four dark stripes on its thorax and large reddish eyes, one of the most widespread insects on Earth thanks to its close association with human food and waste.

fly
Great Golden Digger Wasp

Great Golden Digger Wasp

A large, strikingly two-toned solitary wasp with a golden-haired thorax, reddish-orange midsection, and black-tipped abdomen, often seen digging burrows in bare soil to stock with paralyzed katydids and crickets.

wasp
Emperor Scorpion

Emperor Scorpion

A massive, glossy black scorpion with heavy, oversized pincers built for crushing prey rather than stinging it, the emperor scorpion is one of the biggest and most recognizable scorpions on Earth. It digs deep burrows in rainforest soil and is unusual among scorpions for tolerating close family groups.

arachnid

Giant Weta

One of the world's heaviest insects, a giant flightless cricket relative endemic to New Zealand that has survived for millions of years by filling the ecological role usually taken by small mammals.

grasshopper-cricket

Birdwing Butterfly

Among the largest butterflies on Earth, birdwings soar through rainforest canopies on angular, bird-like wings. Males dazzle with iridescent greens, golds, and blues, while the larger females wear more subdued browns.

butterfly
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
Rose Hair Tarantula

Rose Hair Tarantula

A calm, ground-dwelling tarantula from the deserts of Chile, the rose hair is named for the pinkish sheen its bristly hairs can take on in certain light, and is known for its slow, deliberate movements and generally placid temperament.

spider
Drinker Moth

Drinker Moth

A stout, furry moth with warm tawny-orange to buff-brown wings marked by two small white spots on each forewing, named for its caterpillar's habit of drinking water droplets from grass blades.

moth
Harlequin Bug

Harlequin Bug

A shield-shaped stink bug painted in bold black-and-orange (or red-and-yellow) blotches, making it one of the most colorful and easily recognized true bugs on cabbage and other cole crops.

true-bug
Comb-footed Spider

Comb-footed Spider

A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.

spider
Ailanthus Silkmoth (Cynthia Moth)

Ailanthus Silkmoth (Cynthia Moth)

A very large silkmoth with broad, tan-brown wings crossed by white, crescent-moon-shaped bands, closely associated with the fast-spreading tree-of-heaven that both feeds its larvae and carried the species around the world.

moth

Mantidfly

A master of mimicry that pairs a praying mantis's raptorial front legs with the delicate, lacy wings of a true net-winged insect.

other

Maggot

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

caterpillar-larva
Arizona Bark Scorpion

Arizona Bark Scorpion

A slim, pale tan scorpion of the Sonoran Desert that climbs trees, walls, and even ceilings with equal ease thanks to its excellent grip.

arachnid
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
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
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

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
Ruby Meadowhawk

Ruby Meadowhawk

A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.

dragonfly

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

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