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.

Argentine Ant

Argentine Ant

A small, uniformly light-brown ant that forms enormous, cooperative supercolonies stretching across entire regions rather than defending small individual nests.

ant
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.

bee

Big-Eyed Bug

A small, broad-headed true bug named for its noticeably large, bulging compound eyes, the big-eyed bug is a beneficial predator that patrols low vegetation and soil surfaces for small pest insects.

true-bug
Deer Tick

Deer Tick

A small, dark-legged tick with a reddish-brown, teardrop-shaped body, noticeably smaller than many other common tick species and often found questing in wooded or grassy edge habitats.

arachnid

House Ant

A small, dark brown to black ant that forages in loose trails along countertops and baseboards and releases a distinctive rotten-coconut smell when crushed.

ant

Alderfly

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

aquatic-insect
American House Spider

American House Spider

A small, brownish spider with a bulbous, mottled abdomen that spins loose, irregular tangle webs in quiet corners, ceilings, and window frames.

spider
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

Root Maggot

A small, legless white grub that lives hidden in the soil, tunneling into the roots of cabbage-family vegetables where it feeds unseen.

fly

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

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
Horn Fly

Horn Fly

A tiny, dark fly that clusters in dense patches on the backs and shoulders of grazing cattle, using piercing mouthparts to take frequent small blood meals.

fly

Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

beetle
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

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
Black Fly

Black Fly

A small, humpbacked black fly with clear wings that gathers in persistent swarms near flowing streams, favoring exposed skin around the head.

fly

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
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