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.

Indian Meal Moth

Indian Meal Moth

A small, distinctively two-toned moth with pale grey-tan inner wings and coppery-reddish outer wings, widely recognized as the most common moth found infesting stored dry food products in homes.

moth
Aphid Midge

Aphid Midge

A delicate, long-legged midge whose orange larvae are voracious aphid hunters. The aphid midge is a prized natural enemy of aphids in gardens and greenhouses.

fly

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

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
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
Hercules Beetle

Hercules Beetle

One of the largest beetles in the world, with males bearing dramatic, forceps-like horns nearly as long as the rest of their armored, olive-green body.

beetle

Hoverfly

A slender, bee- or wasp-patterned fly known for its remarkable ability to hover motionless in midair before darting suddenly to a new flower.

fly
Common Sanddragon

Common Sanddragon

A sand-colored clubtail dragonfly that perches flat on bare, sunlit riverbank sand, nearly vanishing against the grains around it.

dragonfly

Harvester Ant

A large, industrious desert ant that clears a bare, sunburned disk of ground around its nest entrance while collecting and storing seeds by the thousands.

ant
Carpenter Ant

Carpenter Ant

A large, often shiny black ant that excavates smooth tunnels in dead or damp wood for nesting, recognizable by its size, evenly rounded thorax, and elbowed antennae.

ant

Field Ant

A large, common outdoor ant that builds conspicuous mound nests of soil and plant debris in sunny open ground and defends itself by spraying formic acid rather than stinging.

ant
Ghost Ant

Ghost Ant

A minuscule ant with a dark head and pale, nearly translucent legs and abdomen that seem to vanish against light-colored surfaces, giving the species its ghostly common name.

ant
Powdered Dancer

Powdered Dancer

Named for the pale, frosty bloom that coats mature males, the Powdered Dancer is a robust river damselfly often seen basking on sunlit rocks and gravel bars.

dragonfly
Blue-fronted Dancer

Blue-fronted Dancer

A bright blue head and thorax paired with a dark, blue-tipped abdomen give the Blue-fronted Dancer its name, as it hops and flutters along sunny riverbanks in loose groups.

other
Varied Carpet Beetle

Varied Carpet Beetle

A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.

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

Sawfly

A wasp relative that never stings, best known for its caterpillar-like larvae that strip leaves from roses, pines, and other garden plants in tidy rows.

wasp

Red Paper Wasp

A large, rusty-red paper wasp that builds open, umbrella-shaped nests under eaves and in sheltered structures, often seen hovering near its comb.

wasp
Elephant Hawk-Moth

Elephant Hawk-Moth

A strikingly colored olive-green and bright pink hawk moth named for its caterpillar's trunk-like tapered front end and large false eyespots.

moth
Drugstore Beetle

Drugstore Beetle

A tiny brown beetle with grooved wing covers that once earned its name by burrowing into dried herbs and medicines kept on pharmacy shelves.

beetle
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
Bee Fly

Bee Fly

A fuzzy, bee-mimicking fly with a long, forward-pointing proboscis that hovers motionless in front of spring flowers while sipping nectar.

fly
Black Saddlebags

Black Saddlebags

A large, nearly all-black dragonfly with a bold dark patch draped across the base of each hindwing, patrolling high over ponds and open ground like a small kite.

dragonfly
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