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.

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
Hackberry Emperor

Hackberry Emperor

A brown-and-cream butterfly closely tied to hackberry trees, notable for its bold eyespots and habit of landing on people, cars, and other unusual surfaces rather than flowers.

butterfly
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
Japanese Beetle

Japanese Beetle

A small, iridescent beetle with a metallic green head and thorax and coppery-bronze wing covers, notorious for skeletonizing the leaves of roses, grapevines, and hundreds of other garden plants.

beetle

Bumble Bee Queen

The large, robust foundress of a bumble bee colony, noticeably bigger and fuzzier than her worker offspring, seen alone in early spring searching for a nesting cavity before her colony's first workers emerge.

bee
Hornet

Hornet

A large, robust social wasp with a reddish-brown and yellow patterned body, notably bigger than yellowjackets, building enclosed papery nests often high in tree cavities or wall voids.

wasp
Fall Webworm

Fall Webworm

A pale, hairy caterpillar that spins loose, messy silk webs enclosing entire leaf clusters at the tips of tree branches, becoming especially noticeable in late summer and fall.

caterpillar-larva
Common Clothes Moth

Common Clothes Moth

A tiny, plain golden-buff moth that rarely flies far into open light, best known not for its adult form but for its silk-spinning larvae that chew holes in wool, fur, and feathers.

moth
Western Conifer Seed Bug

Western Conifer Seed Bug

A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.

true-bug

Longhorn Bee

A fuzzy, medium-sized solitary bee named for the males' notably long, curved antennae, commonly seen foraging on sunflowers, asters, and other late-summer composite flowers.

bee

Burying Beetle

A black beetle marked with bold orange-red bands, notable for locating small dead animals, burying them underground, and cooperatively raising larvae with a partner over the buried carcass.

beetle
Viceroy Butterfly

Viceroy Butterfly

An orange-and-black butterfly closely resembling the monarch, distinguished by a smaller size and a distinctive black line crossing the veins of the hindwing, and long cited as a classic example of mimicry between two unrelated species.

butterfly
Oriental Cockroach

Oriental Cockroach

A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.

other
Blue Morpho Butterfly

Blue Morpho Butterfly

A dazzling, hand-sized rainforest butterfly whose wings flash brilliant metallic blue in flight, an effect created not by pigment but by microscopic light-bending scales.

butterfly

Army Ant

A nomadic predator that never builds a permanent nest, instead forming temporary living bivouacs from its own linked bodies and sweeping through the forest floor in massive predatory raids.

ant

Lanternfly (Spotted Lanternfly)

A strikingly patterned planthopper with grey, spotted forewings that flash to reveal crimson hindwings when it leaps, now notorious as an invasive agricultural pest far from its native range.

true-bug
Sydney Funnel-web Spider

Sydney Funnel-web Spider

Glossy black and heavily built, with large fangs held ready in front of its face, the Sydney funnel-web spider shelters in a silk-lined burrow in moist, shaded ground across the Sydney region, one of Australia's most distinctive ground-dwelling spiders.

spider

Sod Webworm

A dull, grayish-green caterpillar that hides in silk-lined burrows by day and emerges at night to chew grass blades down to the thatch.

caterpillar-larva
Comet Darner

Comet Darner

One of North America's largest and fastest dragonflies, blazing across open water with a fiery red abdomen that gives it its cometary name.

dragonfly
Yellow-spotted Millipede

Yellow-spotted Millipede

A striking black millipede lined with bright yellow-orange spots along its flanks, one of the most recognizable invertebrates of the Pacific coast's damp forest floors.

myriapod
Stone Centipede

Stone Centipede

A quick, flattened, reddish-brown centipede that darts for cover the instant its stone or log shelter is lifted, one of the most commonly seen centipedes in temperate gardens.

myriapod
Tarantula

Tarantula

The tarantula is the heavyweight of the spider world, a densely furred, ground-hugging hunter that spends most of its long life waiting in a silk-lined burrow for prey to wander past.

spider

Giant Centipede

A long, fast-moving, many-legged predator with a hardened segmented body and a pair of venom-injecting claws behind the head that it uses to overpower prey far larger than itself.

myriapod
Flour Beetle

Flour Beetle

A tiny, shiny reddish-brown beetle that infests flour, cereal, and other dry stored foods, often found in dense clustered populations.

beetle