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.

Little Black Ant

Little Black Ant

A tiny, shiny jet-black ant that forms long, wandering foraging trails across lawns, patios, and kitchen counters in search of sweets and protein.

ant

Ant-mimicking Mantis

As a tiny nymph, this mantis moves in quick, jerky bursts to imitate a scurrying ant, a clever disguise it gradually sheds as it grows into a typical-looking adult mantis.

mantis-stick

Ant-mimic Spider

A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.

spider
Rocky Mountain Wood Tick

Rocky Mountain Wood Tick

A robust, ornately patterned tick of the western mountains that clings to shrubs and grasses waiting to grab a passing mammal.

arachnid
Metallic Wood-boring Beetle

Metallic Wood-boring Beetle

The North American common name for jewel beetles, emphasizing the wood-tunneling habits of their larvae, which leave telltale flattened, D-shaped exit holes in bark of stressed or dying trees.

beetle

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
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
Deathwatch Beetle

Deathwatch Beetle

A small, mottled brown wood-boring beetle famous for the faint ticking sound it makes by tapping its head against wood, historically associated with old timber-framed buildings.

beetle

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
American Dog Tick

American Dog Tick

A stout, mottled brown-and-silver tick that waits on grass blades with its front legs outstretched, ready to latch onto a passing host.

arachnid

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
Powderpost Beetle

Powderpost Beetle

A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.

beetle
Carpenter Bee

Carpenter Bee

A large, robust bee closely resembling a bumblebee but with a shiny, mostly bald black abdomen, known for excavating tunnel nests into bare, untreated wood.

bee
Wool Carder Bee

Wool Carder Bee

A stocky, yellow-and-black solitary bee named for its habit of scraping soft plant fibers from fuzzy leaves to line its nest, with territorial males that aggressively patrol and defend flower patches.

bee
Woodlouse Spider

Woodlouse Spider

A reddish-brown spider with oversized forward-pointing jaws specialized for piercing the armored shells of woodlice, often found lurking under damp stones and mulch.

spider
Dog Tick

Dog Tick

A flattened, oval arachnid with mottled silvery markings that waits on grass tips and low brush for a passing host to climb aboard and attach.

arachnid
Tick

Tick

A small, flattened, oval arachnid with a hard shield-like plate on its back that waits on vegetation and attaches to passing hosts to feed on blood, swelling considerably once fed.

arachnid

Huntsman Spider

With legs splayed crab-like to either side of a flattened body, the huntsman spider is built for speed, capable of scuttling sideways across walls and tree trunks in pursuit of prey.

spider
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

Dampwood Termite

A relatively large termite that nests directly inside heavily moistened, decaying wood such as rotting logs and stumps, needing no soil contact but requiring consistently damp timber.

other
Death Watch Beetle

Death Watch Beetle

A mottled brown wood-boring beetle famous for the faint ticking sound it taps out inside old timbers, once thought by superstitious listeners to be an omen of death.

beetle