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.

Spotted Lanternfly

Spotted Lanternfly

A large, strikingly patterned planthopper with gray spotted forewings that flash to reveal crimson hindwings when it leaps or takes flight.

true-bug
Lanternfly (Spotted Lanternfly)

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
Spotted Wing Drosophila

Spotted Wing Drosophila

A tiny reddish-brown fruit fly, each male marked with a single dark spot near the wingtip, notable for laying eggs in ripening rather than overripe fruit.

fly
Silver-spotted Skipper

Silver-spotted Skipper

A large, chunky brown skipper instantly identified by the bold, translucent silvery-white patch splashed across the underside of each hindwing.

butterfly
Four-spotted Skimmer

Four-spotted Skimmer

A brown, sturdily built dragonfly marked with a single dark spot on each wing, this holarctic species is famous for occasional mass emergences and long-distance swarming flights.

dragonfly
Seven-spotted Ladybird

Seven-spotted Ladybird

A classic bright red ladybird with exactly seven black spots, one of the most iconic and widely recognized beetles in the world.

beetle
Twelve-spotted Skimmer

Twelve-spotted Skimmer

A big, boldly patterned skimmer whose wings each carry three chocolate-brown patches, and whose mature males add chalky white flashes between them for a striking black-and-white flicker in flight.

dragonfly
Spotted Camel Cricket

Spotted Camel Cricket

A wingless, humpbacked cricket relative with mottled markings and enormous hind legs, more often found lurking in damp basements and cellars than singing in a meadow.

grasshopper-cricket
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
Red-spotted Purple

Red-spotted Purple

A large, iridescent blue-black butterfly lacking tails, notable for closely mimicking the unpalatable Pipevine Swallowtail, with rows of red-orange spots visible along the underside wing margins.

butterfly
Spotted Cucumber Beetle

Spotted Cucumber Beetle

A small, elongated yellow-green beetle marked with twelve black spots across its wing covers, commonly seen on cucurbit and corn plants throughout the growing season.

beetle
Two-Spotted Spider Mite

Two-Spotted Spider Mite

A near-microscopic mite that spins fine silk webbing over leaves as it feeds, leaving foliage stippled and pale.

arachnid
Two-Spotted Stink Bug

Two-Spotted Stink Bug

A boldly patterned black-and-orange predatory stink bug named for the pair of dark spots on its back, best known for hunting Colorado potato beetle larvae in gardens and fields.

true-bug
Tomato Hornworm Moth (Five-spotted Hawkmoth)

Tomato Hornworm Moth (Five-spotted Hawkmoth)

A large, robust grey-brown sphinx moth named for the five pairs of yellow-orange spots along its abdomen, best known as the adult form of the large green tomato hornworm caterpillar familiar to home gardeners.

moth
Snake Millipede

Snake Millipede

A slender, glossy, pale millipede that curls into a tight spiral when disturbed and often shows a faint row of reddish spots along its sides.

myriapod
Cucumber Beetle

Cucumber Beetle

A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.

beetle
Tomato Hornworm

Tomato Hornworm

A large, thick green caterpillar with diagonal white stripes and a distinctive curved horn at its tail end, often found stripping leaves from tomato plants in gardens.

caterpillar-larva
Spider Mite

Spider Mite

A speck-sized arachnid that spins fine silk webbing across infested leaves as it pierces plant cells for their contents, leaving behind a telltale stippled, bronzed appearance. Populations can explode rapidly in hot, dry weather, making it a familiar garden and greenhouse pest.

arachnid
Pine Sawyer Beetle

Pine Sawyer Beetle

A large, long-antennaed longhorn beetle of pine and spruce forests, mottled gray-brown to black, that produces a rasping sound when handled and whose larvae tunnel deep into dead or dying conifer wood.

beetle
Orb Weaver Spider

Orb Weaver Spider

A stout-bodied spider best known for spinning the classic, near-perfect circular "orb" web strung between plants, eaves, or fences, often rebuilt fresh each night.

spider
Skipper Butterfly

Skipper Butterfly

A stocky, fast-darting butterfly with a large head, hooked antennae tips, and thick furry body, intermediate in appearance between butterflies and moths, named for its quick, skipping flight.

butterfly
Gypsy Moth Caterpillar (Spongy Moth)

Gypsy Moth Caterpillar (Spongy Moth)

A bristly, blue-and-red-spotted caterpillar that can strip entire hardwood forests bare during major outbreak years.

caterpillar-larva
Mexican Bean Beetle

Mexican Bean Beetle

A copper-colored, spotted beetle resembling an overgrown ladybird that feeds on bean plant leaves along with its spiny yellow larvae.

beetle
Flesh Fly

Flesh Fly

A bristly gray fly marked with three dark thoracic stripes and a checkerboard-patterned abdomen, often spotted hovering near carrion or garbage.

fly