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.

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

Ogre-faced Spider

A twig-like nocturnal spider with enormous, light-gathering eyes that weaves a small rectangular net and hurls it over passing prey in a lightning-fast ambush.

spider

House Spider

A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.

spider
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
Saucer Bug

Saucer Bug

Flattened and rounded like its namesake, the saucer bug is a stout, oval predator that lurks among pondweed, ambushing small invertebrates and other prey with a piercing beak.

true-bug

Wall Spider

A tiny, flattened spider that spins a small disc-shaped web hugging the surface of a wall and darts sideways in a quick, erratic dash when disturbed.

spider
Snout Beetle

Snout Beetle

A small beetle instantly recognized by its elongated, downward-curving snout, tipped with chewing mouthparts, used to bore into seeds, nuts, stems, or fruit.

beetle
Ruby Meadowhawk

Ruby Meadowhawk

A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.

dragonfly
Indianmeal Moth

Indianmeal Moth

A small moth with two-toned, coppery-and-gray wings whose caterpillars spin silken webbing through stored grain, cereal, and dried fruit.

moth
Boll Weevil

Boll Weevil

A small, grayish-brown snout beetle with a long, curved rostrum, historically famous for its close feeding association with cotton flower buds and bolls.

beetle
Halloween Pennant

Halloween Pennant

With broad orange-amber wings banded in dark brown, this dragonfly perches conspicuously atop tall grass stems, swaying like a small flag in the breeze.

dragonfly

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
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

Water Penny Beetle

A flattened, coin-shaped larva that clings almost invisibly to the surface of submerged stream rocks, named for its uncanny resemblance to a small penny.

aquatic-insect
Portia Spider

Portia Spider

A small jumping spider with an outsized reputation for intelligence, famous for stalking and outwitting other spiders using deceptive tactics and apparent problem-solving.

spider
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
Dogbane Beetle

Dogbane Beetle

A small, brilliantly iridescent leaf beetle that shifts between shades of green, gold, blue, and copper depending on the viewing angle, always found on dogbane plants.

beetle
Cucumber Beetle

Cucumber Beetle

A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.

beetle
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