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.

Dobsonfly

A massive, primitive-looking insect whose males brandish absurdly long, curved mandibles used for wrestling rivals rather than for feeding.

aquatic-insect
Comet Moth (Madagascan Moon Moth)

Comet Moth (Madagascan Moon Moth)

One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.

moth

Cave Cricket

Humpbacked and wingless with absurdly long legs and antennae, this pale, silent insect thrives in the total darkness of caves, basements, and damp crawl spaces.

grasshopper-cricket
Silver Y Moth

Silver Y Moth

A fast-flying, day-active noctuid moth named for the metallic silver Y- or gamma-shaped mark on each mottled grey-brown forewing, famous for its long-distance migratory flights.

moth

Mud Dauber Wasp

Slender, long-waisted wasps that build distinctive nests from mud, mud daubers stock their cells with paralyzed spiders. Their tube or urn-shaped mud nests are common under eaves and bridges.

wasp
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

Whip Spider

A flattened, spider-like arachnid with no venom and no silk, using a pair of extremely long, whip-like front legs as sensitive feelers to navigate the dark.

arachnid
Firebrat

Firebrat

A fast, wingless, mottled gray-brown insect with long antennae and tail bristles that thrives in the warm, humid corners near ovens, boilers, and pipes.

other
Dance Fly

Dance Fly

A slender, long-legged predatory fly named for the swarming courtship dances males perform at dusk, often while carrying a captured insect as an offering.

fly
Cactus Fly

Cactus Fly

A slender, long-legged desert fly that specializes in breeding within the soft, fermenting tissue of decaying cactus, particularly saguaro and other columnar cacti.

fly

Silverfish Firebrat

Two closely related, wingless, silvery or mottled insects with fish-like darting movements and three long tail bristles, one favoring damp basements and the other thriving near warm ovens and furnaces.

other
Painted Lady Butterfly

Painted Lady Butterfly

A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.

butterfly

Bush Cricket

Known by its long, thread-like antennae and evening chorus of chirps, this leaf-colored insect spends its life hidden among grass and foliage, often heard far more often than seen.

grasshopper-cricket
Asian Giant Hornet

Asian Giant Hornet

The world's largest hornet, an imposing orange-and-black wasp with a wide head and long stinger, best known for raiding honey bee colonies to feed its brood.

wasp
Rose Chafer

Rose Chafer

A slender, tan, long-legged scarab beetle that gathers in swarms on rose blossoms and other flowers in late spring, chewing petals and foliage into a lacy, skeletonized pattern.

beetle
Plume Moth

Plume Moth

A slender, long-legged moth that rests with its wings rolled tightly and held out at right angles to its body, forming a distinctive letter-T silhouette.

moth
Luna Silkmoth

Luna Silkmoth

A large, pale lime-green silkmoth with long, trailing tails on its hindwings and delicate eyespots, widely regarded as one of the most striking moths in North America.

moth
Gulf Fritillary

Gulf Fritillary

A vivid orange, long-winged butterfly whose underside gleams with brilliant metallic silver spangles, closely tied to passionflower vines throughout the warmer parts of the Americas.

butterfly
Chinese Oak Silkmoth

Chinese Oak Silkmoth

A large, rust-brown silkmoth with prominent transparent eyespots on all four wings, native to oak forests of China and long cultivated there for coarse tussah silk production.

moth
Carrot Rust Fly

Carrot Rust Fly

A slender, shiny black fly barely a few millimeters long whose slim yellowish larvae tunnel rust-colored trails through carrot and parsnip roots.

fly
Palo Verde Beetle

Palo Verde Beetle

One of the largest beetles in North America, a heavy, dark reddish-brown longhorn beetle with long spiny antennae and a loud, buzzing flight that emerges from the desert soil around palo verde and mesquite trees in summer.

beetle
Great Purple Hairstreak

Great Purple Hairstreak

The largest and most iridescent hairstreak in North America, with brilliant blue-green upperwings, red-orange spots on the body and wing base, and long twin tails, its caterpillars feeding on parasitic mistletoe clumps in host trees.

butterfly
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
Mud Dauber

Mud Dauber

A slender, non-aggressive solitary wasp with a distinctively long, thread-like waist, known for constructing tube- or pot-shaped nests out of mud pellets on walls and eaves.

wasp