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.

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
Green Lacewing

Green Lacewing

With delicate pale green wings and glittering golden eyes, the Green Lacewing is a familiar garden insect whose larvae are voracious predators of aphids and other soft-bodied pests.

other
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
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
Spittlebug

Spittlebug

A small hopping true bug best known in its nymph stage, which surrounds itself in a frothy mass of white foam on plant stems, commonly called cuckoo spit.

true-bug
Water Scorpion

Water Scorpion

An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.

aquatic-insect
Africanized Honeybee (Killer Bee)

Africanized Honeybee (Killer Bee)

A hybrid strain of the western honey bee, nearly identical in appearance to common honey bees but known for more easily triggered, faster, and more numerous defensive responses when a colony is disturbed.

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Longhorn Bee

Longhorn Bee

A fuzzy, medium-sized solitary bee named for the males' notably long, curved antennae, commonly seen foraging on sunflowers, asters, and other late-summer composite flowers.

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Squash Bee

Squash Bee

A robust, early-rising solitary bee specialized in visiting squash, pumpkin, and gourd flowers, often seen foraging in the cool early morning hours before many other pollinators are active.

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Cuckoo Bee

Cuckoo Bee

A slender, wasp-like bee that lacks pollen-carrying hairs because it never gathers its own pollen, instead sneaking into the nests of other solitary bees to lay eggs that hatch and consume the host's food stores.

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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
Mining Bee

Mining Bee

A furry, solitary ground-nesting bee that emerges in early spring in loose aggregations, often mistaken for a small bumble bee, digging individual burrows marked by small volcano-shaped mounds of soil.

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Leafcutter Bee

Leafcutter Bee

A stout, dark-bodied bee best known not for how it looks but for the neat, circular or oval notches it cuts from leaves, which it uses to line and seal its nest cells.

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Mason Bee

Mason Bee

A compact, metallic blue-black bee that nests in existing narrow cavities and seals its brood cells with mud, prized as one of the most efficient early-spring pollinators of fruit trees.

bee
Bagworm Moth

Bagworm Moth

A moth best known for its larva's habit of constructing and living inside a spindle-shaped case of silk and plant debris that hangs from twigs, with adult males a plain sooty-winged moth and females remaining wingless and grub-like inside the bag for life.

moth
Clouded Sulphur

Clouded Sulphur

A medium-sized pale yellow butterfly with crisp black wing borders, commonly seen fluttering low over clover fields and roadside meadows across North America.

butterfly
Armyworm

Armyworm

A striped, greenish-brown caterpillar that gets its name from its habit of migrating in dense, destructive groups across grass and grain fields.

caterpillar-larva
Water Cricket

Water Cricket

Despite its name, the water cricket is not a cricket at all but a compact, velvety true bug that skates over the swirling surfaces of streams and riffles in search of trapped prey.

true-bug
Eastern Comma

Eastern Comma

A ragged-edged orange-and-brown woodland butterfly named for the small, silvery comma-shaped mark on the underside of its hindwing, with a cryptic dead-leaf pattern that camouflages it perfectly when its wings are closed.

butterfly
Toe-Biter

Toe-Biter

One of the largest true bugs in the world, the toe-biter is a broad, flattened ambush predator that lies in wait among pond vegetation, seizing prey many times its own size with powerful raptorial front legs.

true-bug
June Beetle

June Beetle

A stout, reddish-brown scarab beetle that emerges in late spring and early summer, famous for clumsily bumping into porch lights and window screens at night.

beetle
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
Wool Carder Bee

Wool Carder Bee

A stocky, yellow-and-black solitary bee named for its habit of scraping soft plant fibers from fuzzy leaves to line its nest, with territorial males that aggressively patrol and defend flower patches.

bee
Bumble Bee Queen

Bumble Bee Queen

The large, robust foundress of a bumble bee colony, noticeably bigger and fuzzier than her worker offspring, seen alone in early spring searching for a nesting cavity before her colony's first workers emerge.

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