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.

Digger Wasp

Digger Wasp

A solitary, ground-nesting wasp that excavates neat burrows in bare soil and provisions them with paralyzed prey for its young.

wasp
Water Boatman Bug

Water Boatman Bug

A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.

true-bug
Giant Walking Stick

Giant Walking Stick

The longest insect in the United States, this brown, thread-thin giant sways gently on its perch to complete the illusion of a wind-stirred twig.

mantis-stick
Owlfly

Owlfly

An acrobatic, dragonfly-mimicking predator instantly given away by its long, clubbed antennae, a feature no true dragonfly ever has.

other
Spangled Skimmer

Spangled Skimmer

Named for the bright white 'spangles' at the base of its wings, the Spangled Skimmer pairs a powder-blue male body with crisp black-and-white wing markings.

dragonfly
Ghost Mantis

Ghost Mantis

A small, angular mantis crowned with a leaf-shaped crest, so thoroughly disguised as a withered leaf that it seems to vanish into dead foliage.

mantis-stick
Biting Midge

Biting Midge

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

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
Green Lynx Spider

Green Lynx Spider

A slender, bright green spider armed with long spiny legs that ambushes insects from flowers and shrubs without spinning a capture web.

spider
Cigarette Beetle

Cigarette Beetle

A tiny, reddish-brown, humpbacked beetle that rides along in stored dried herbs, spices, and tobacco wherever it hitches a ride.

beetle
Mesh Web Weaver

Mesh Web Weaver

A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.

spider
Money Spider

Money Spider

A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.

spider
Water Mite

Water Mite

A brilliantly colored, ball-shaped mite that swims through freshwater ponds and streams using fringed, oar-like legs.

arachnid
Backswimmer

Backswimmer

A boat-shaped aquatic true bug that swims upside down using oar-like hind legs, patrolling pond water in search of small prey.

aquatic-insect
Mosquito Larva

Mosquito Larva

A wriggling, comma-shaped aquatic larva that hangs from the water's surface to breathe before transforming into a flying adult mosquito.

aquatic-insect
Common Whitetail Dragonfly

Common Whitetail Dragonfly

A stocky pond-side dragonfly whose mature males sport a broad, chalky white abdomen that flashes conspicuously against boldly banded wings.

dragonfly
Blue-winged Grasshopper

Blue-winged Grasshopper

A drab, camouflaged grasshopper that startles onlookers with a sudden flash of bright blue hindwings the instant it takes flight.

grasshopper-cricket
Common Sanddragon

Common Sanddragon

A sand-colored clubtail dragonfly that perches flat on bare, sunlit riverbank sand, nearly vanishing against the grains around it.

dragonfly
Stonefly

Stonefly

A flattened, drab-winged insect whose nymphs are among the most reliable living indicators of pristine, well-oxygenated stream water.

aquatic-insect
Alderfly

Alderfly

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

aquatic-insect
Great Blue Skimmer

Great Blue Skimmer

One of North America's largest skimmers, the Great Blue Skimmer's powdery sky-blue body and pale green eyes make it stand out as it cruises woodland pond edges.

dragonfly
Cluster Fly

Cluster Fly

A sluggish, dark fly covered in fine golden hairs that gathers by the hundreds on sun-warmed walls in autumn before slipping indoors to spend the winter.

fly
Marbled White

Marbled White

A striking checkerboard butterfly with bold black-and-white wing patterning, despite its name it belongs to the brown butterfly family rather than the whites.

butterfly
Peck's Skipper

Peck's Skipper

A tiny, tawny-orange and brown skipper with a bold, irregular yellow patch on the underside of the hindwing that looks almost like a splash of paint.

butterfly