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.

Fungus Gnat

A small, dark, mosquito-like fly with long legs and delicate smoky wings, often seen weakly fluttering around houseplants or crawling across damp potting soil.

fly
Spiny Flower Mantis

Spiny Flower Mantis

A small, boldly patterned mantis whose wing markings resemble a pair of eyespots, flashed open in a startling display whenever a predator ventures too close.

mantis-stick
Little Wood-Satyr

Little Wood-Satyr

A small, weak-flying brown butterfly with two prominent yellow-ringed eyespots on each wing, common along shaded woodland edges in late spring.

butterfly
Fiery Skipper

Fiery Skipper

A small, fast, orange-and-black skipper often seen zipping low over lawns and gardens, with jagged black wing borders that resemble scorched edges.

butterfly
Common Blue

Common Blue

A small, sun-loving butterfly whose males flash brilliant violet-blue wings while females wear warm brown with a scattering of orange spots.

butterfly

Damselfly Nymph

A slender aquatic predator with three feathery tail gills, patiently stalking small prey among pond plants before emerging as a delicate flying damselfly.

aquatic-insect
Water Boatman

Water Boatman

A small, streamlined aquatic true bug with oar-like hind legs used for swimming, commonly seen gliding just beneath the surface of ponds and calm freshwater.

aquatic-insect

Acrobat Ant

A small ant named for its habit of raising its distinctive heart-shaped abdomen up over its body like an acrobat when disturbed or alarmed.

ant

Punkie

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

fly

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
Black Garden Ant

Black Garden Ant

A familiar small, glossy black ant that forms visible foraging trails across patios and garden paths and nests beneath stones, pavers, and lawns.

ant
Daddy Longlegs

Daddy Longlegs

A small, oval-bodied arachnid carried on extremely long, thread-like legs, distinct from true spiders in having a one-piece fused body and no silk glands or web.

arachnid
Calico Pennant

Calico Pennant

This small, boldly patterned skimmer flashes red or yellow wing patches and heart-shaped abdominal spots as it flutters low over pond vegetation like a tiny pennant flag.

dragonfly
Virginia Tiger Moth

Virginia Tiger Moth

An almost pure-white, fluffy tiger moth with a few small black dots on the wings and body, whose caterpillar is the familiar pale yellow "yellow woolly bear."

moth
Deer Fly

Deer Fly

A small but aggressive fly with strikingly patterned, dark-banded wings and bright green or gold eyes, often circling the head and shoulders while hunting for a blood meal.

fly
Cabbage Bug

Cabbage Bug

A small, metallic shield bug patterned in contrasting patches of black with red, white, or yellow, closely tied to cabbage and other brassica crops across Europe and Asia.

true-bug
Tick

Tick

A small, flattened, oval arachnid with a hard shield-like plate on its back that waits on vegetation and attaches to passing hosts to feed on blood, swelling considerably once fed.

arachnid
Bagrada Bug

Bagrada Bug

A tiny, orange-and-black stink bug with an intricate mottled pattern, notable as a small-bodied specialist pest of cabbage-family plants in warm, dry climates.

true-bug
Amazonian Giant Centipede

Amazonian Giant Centipede

The largest centipede on the planet, a formidable dark reddish-brown predator from South American rainforests capable of capturing prey as large as bats and small reptiles.

myriapod
Ant

Ant

A small eusocial insect that lives in highly organized colonies, instantly recognizable by its narrow pinched waist, elbowed antennae, and single-file foraging trails.

ant
Casemaking Clothes Moth

Casemaking Clothes Moth

A small mottled moth whose larva builds a tiny portable silk case, dragging its own protective shelter along as it grazes on wool and fur.

moth

Treehopper

A small, oddly shaped sap-feeding bug best known for an enlarged, often bizarre pronotum extending backward over its body, sometimes shaped like a thorn, leaf, or spike.

true-bug

Meadow Katydid

Small, slender, and beautifully camouflaged among grass blades, meadow katydids fill open fields and marsh edges with a soft, buzzy, insect-like ticking that blends into the summer evening background.

grasshopper-cricket
Autumn Meadowhawk

Autumn Meadowhawk

One of the last dragonflies still flying as autumn cools, this small pale-legged meadowhawk can be found sunning on trails and pond banks well into November in many areas.

dragonfly