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.

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
Soft Tick

Soft Tick

A wrinkled, leathery, bean-shaped tick that hides by day in nests and cracks, emerging briefly at night to feed and then vanish again.

arachnid
Firebrat

Firebrat

A fast, wingless, mottled gray-brown insect with long antennae and tail bristles that thrives in the warm, humid corners near ovens, boilers, and pipes.

other

Eastern Black Swallowtail Caterpillar

A striking green-and-black banded caterpillar dotted with yellow spots that flashes a bright orange forked horn when disturbed.

caterpillar-larva
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
Comet Moth (Madagascan Moon Moth)

Comet Moth (Madagascan Moon Moth)

One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.

moth
Boxelder Bug (Eastern)

Boxelder Bug (Eastern)

A flat, black true bug boldly trimmed in red-orange lines, famous for massing by the hundreds on sun-warmed walls and tree trunks each autumn.

true-bug
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

Bird-dropping Spider

A lumpy, white-and-brown orb-weaver that spends its days motionless on a leaf, looking uncannily like a fresh splash of bird droppings.

spider
Bed Bug

Bed Bug

A small, flat, reddish-brown, wingless insect shaped like an apple seed that hides in mattress seams and bed frames by day and emerges at night to feed.

true-bug

Alderfly

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

aquatic-insect
Asparagus Beetle

Asparagus Beetle

A small, boldly patterned blue-black beetle with cream and orange-red markings that clusters on emerging asparagus spears in spring.

beetle
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
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
Mormon Cricket

Mormon Cricket

A hefty, flightless katydid whose swarms can stretch for miles across western rangelands, marching en masse in search of food and mates.

grasshopper-cricket
Privet Hawk-Moth

Privet Hawk-Moth

The largest resident hawk-moth in much of northern Europe, with streaked brown forewings and a striking abdomen banded in pink and black stripes.

moth
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
Vine Weevil

Vine Weevil

A slow, flightless, matte-black beetle that hides by day and emerges at night to notch neat semicircular bites from the edges of leaves.

beetle
Mouse Spider

Mouse Spider

A stout, glossy burrowing spider named for its supposed mouse-like agility, with males often sporting a strikingly colored head and jaws.

spider
Wandering Spider

Wandering Spider

A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.

spider
Pirate Spider

Pirate Spider

A stealthy, spider-eating specialist that sneaks onto another spider's web, plucks the silk to mimic trapped prey, and ambushes the unsuspecting owner.

spider
Water Strider

Water Strider

A slender, long-legged true bug famous for skating effortlessly across the surface of ponds and streams using water's surface tension.

aquatic-insect
Flour Beetle

Flour Beetle

A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.

beetle