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.

Odorous House Ant

A dark, unassuming ant best known for releasing a smell reminiscent of rotten coconut when a worker is crushed.

ant

Fire Ant Queen

The reproductive powerhouse of a fire ant colony, noticeably larger than the reddish worker ants and equipped with wings before she sheds them to found a new nest.

ant

Small Tortoiseshell

A vivid orange-red European garden butterfly patterned with black and yellow blocks and a border of blue crescents, one of the most familiar and widely recognized butterflies across its range.

butterfly
Small Milkweed Bug

Small Milkweed Bug

A red-and-black seed bug with a distinctive X-shaped pattern on its back, commonly found feeding on milkweed seeds and sap alongside monarch caterpillars.

true-bug
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
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

Antlion

An insect best known for its larval stage, the doodlebug, which digs a small conical pit trap in loose sand to ambush unwary ants, while the winged adult resembles a slender, delicate damselfly.

other
Termite

Termite

A pale, soft-bodied social insect that lives in hidden colonies and feeds on cellulose in wood and plant debris, often mistaken for an ant despite belonging to an entirely different insect order.

other
Broad-Headed Bug

Broad-Headed Bug

A slender, dark true bug with a notably wide head, whose nymphs are remarkable ant mimics that scurry among leaf litter before maturing into fliers that resemble small leaf-footed bugs.

true-bug
Antheraea Silkmoth

Antheraea Silkmoth

A large, robust silkmoth in the genus Antheraea with broad reddish-brown to tan wings, each marked with a prominent transparent, eye-like spot, representing a group of giant moths long valued for producing wild silk.

moth
American Copper

American Copper

A small, bright orange-and-black butterfly with fiery copper-colored forewings and dusky gray hindwings edged in orange, commonly seen darting low over weedy fields and vacant lots.

butterfly
Cabbage White Butterfly

Cabbage White Butterfly

A small, plain white butterfly with one or two black spots on each forewing and dark wingtips, one of the most common and widespread garden butterflies in the world.

butterfly
Small Emperor Moth

Small Emperor Moth

A striking day-flying moth with large eyespots on all four wings, gray-brown coloring in males and paler gray in the larger females, native to heathlands and open countryside across Europe.

moth
Black Soldier Fly

Black Soldier Fly

A sleek, dark, wasp-like fly whose larvae are voracious decomposers of decaying organic material, while the short-lived adults do not feed at all.

fly
Black Vine Weevil

Black Vine Weevil

A flightless, all-black snout beetle notorious for notching the edges of leaves at night while its underground larvae feed on plant roots and crowns.

beetle
Western Black Widow

Western Black Widow

A glossy, jet-black spider with a bold red hourglass mark on the underside of her round abdomen, the western black widow builds a tangled, irregular web in dark, undisturbed corners of the American West.

spider
Black Widow Spider

Black Widow Spider

A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.

spider
Black Fly Larva

Black Fly Larva

Anchored to submerged rocks in fast-flowing streams by a silken thread, the black fly larva bends into the current and combs the water for drifting particles with a pair of delicate, fan-shaped feeding brushes.

aquatic-insect
Cabbage White

Cabbage White

A common, small white butterfly with one or two black wing spots, whose green caterpillars are a familiar sight feeding on cabbage-family garden plants.

butterfly
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
Bordered Plant Bug

Bordered Plant Bug

A dark, oval-bodied true bug with a distinct pale margin around its wing edges, often mistaken for a large ant or beetle when its nymphs cluster together in tight groups.

true-bug
Blacklegged Tick

Blacklegged Tick

A tiny, teardrop-shaped tick with dark legs and a reddish-brown abdomen that lurks in leaf litter along woodland trails.

arachnid
Black Swallowtail

Black Swallowtail

A striking black swallowtail with two rows of yellow spots and a patch of blue scaling on the hindwings, whose green-and-black banded caterpillars are a familiar sight on garden dill, parsley, and carrot foliage.

butterfly
Northern Black Widow

Northern Black Widow

Slightly more elusive than its southern cousin, the northern black widow shows a row of red spots down its back and a broken, hourglass marking on its belly, and prefers wilder, brushier habitats over buildings.

spider