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.

Spring Azure

Spring Azure

One of the earliest-flying small blue butterflies of spring, with soft pale-blue upperwings, a whitish gray underside dotted with faint dark markings, and no tails on the hindwing.

butterfly
Cabbage White

Cabbage White

A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.

butterfly
Damselfly Nymph

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
Squash Vine Borer

Squash Vine Borer

A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.

moth
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
Winter Moth

Winter Moth

A small tan-brown moth unusual for flying in the cold of late autumn and early winter, with strongly dimorphic sexes: fully winged males and flightless, near-wingless females that climb tree trunks to lay eggs.

moth
Stink Bug

Stink Bug

A broad, shield-shaped true bug that releases a pungent defensive odor when handled or crushed, commonly found on garden vegetables and fruit trees.

true-bug
Glowworm Beetle

Glowworm Beetle

A beetle whose females remain larva-like and glowing for their entire lives, producing rows of soft greenish light along their segmented, worm-like bodies, while males develop into small, feathery-antennaed flying beetles.

beetle
Silver Y Moth

Silver Y Moth

A fast-flying, day-active noctuid moth named for the metallic silver Y- or gamma-shaped mark on each mottled grey-brown forewing, famous for its long-distance migratory flights.

moth
Digger Bee

Digger Bee

A robust, fast-flying, densely furry solitary bee that excavates tunnels in bare or sloped soil, often confused with bumble bees due to its bulky, hairy build and loud buzzing flight.

bee
Leaf-Footed Bug

Leaf-Footed Bug

A large, elongated brown true bug named for the flattened, leaf-shaped expansions on its hind legs, often found feeding on fruits, seeds, and vegetables in gardens and orchards.

true-bug
Angle Shades Moth

Angle Shades Moth

A common night-flying moth whose forewings fold into a crumpled, tent-like shape that mimics a withered or damaged leaf, marked with bold olive-green and pinkish-brown zigzag bands.

moth
Cinnabar Moth

Cinnabar Moth

A striking black-and-red day-flying moth whose boldly banded orange-and-black caterpillars feed conspicuously on ragwort, sequestering plant compounds as a chemical defense advertised by their vivid warning colors.

moth
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
Blue-eyed Darner

Blue-eyed Darner

A large, fast-flying darner with brilliant sky-blue eyes that meet in a seam across the top of the head, patrolling ponds and open fields well into the evening.

dragonfly
Lubber Grasshopper

Lubber Grasshopper

Heavy-bodied and slow-moving, lubber grasshoppers make up for their poor flying ability with large size, bold coloring, and a lumbering, ground-bound lifestyle.

grasshopper-cricket
Northern Pearly-eye

Northern Pearly-eye

A shade-loving brown woodland butterfly with rows of dark, pale-ringed eyespots, more often seen resting on tree trunks in forest gaps than flying in open sun.

butterfly
Gypsy Cutworm Moth

Gypsy Cutworm Moth

A plain, mottled grey-brown night-flying moth whose stout, soil-dwelling larvae are known as cutworms for their habit of severing young plant stems near ground level.

moth
Bumblebee Moth

Bumblebee Moth

A fuzzy, day-flying sphinx moth that hovers at flowers like a bee, with mostly clear wings and a black-and-yellow banded body that mimics a bumblebee.

moth
Firefly

Firefly

A soft-bodied, dusk-flying beetle famous for the bioluminescent flashes it produces from its abdomen to attract mates on warm summer evenings.

beetle
Emperor Dragonfly

Emperor Dragonfly

One of Europe's largest and most powerful dragonflies, a fast, high-flying hunter with a bright sky-blue abdomen in males and a commanding, tireless patrol over open water.

dragonfly
Zebra Longwing

Zebra Longwing

A slow-flying, long-winged black butterfly striped boldly with yellow, unusual among butterflies for feeding on pollen as an adult, which extends its lifespan to several months.

butterfly
Sphinx Moth

Sphinx Moth

A large, streamlined, fast-flying moth with narrow triangular wings and a robust, tapering body, famous for hovering at flowers at dusk like a hummingbird.

moth
Hummingbird Moth

Hummingbird Moth

Hovering at flowers with a blur of wings and a long uncoiling tongue, the hummingbird moth is easily mistaken for a tiny hummingbird. These plump, fast-flying hawk moths feed on nectar in broad daylight.

moth