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 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
Grub Worm

Grub Worm

A plump, C-shaped, creamy-white larva with a distinct brown head, living underground where it feeds on grass and plant roots before eventually maturing into a scarab beetle.

beetle
Carpet Beetle

Carpet Beetle

A tiny, rounded beetle with a mottled scale pattern of white, brown, and yellow, whose bristly larvae are known for feeding on wool, fur, and other dried animal fibers indoors.

beetle
Achemon Sphinx Moth

Achemon Sphinx Moth

A large, streamlined sphinx moth with pinkish-brown forewings marked by darker scalloped patches and rosy pink hindwings edged in black, closely tied to grapevines as a larval host.

moth
Toad Bug

Toad Bug

A squat, warty-looking true bug with bulging eyes and a mottled brown pattern, so named for its uncanny resemblance to a tiny toad as it hops along muddy shorelines.

aquatic-insect
Damsel Bug

Damsel Bug

A slender, tan to brown true bug with a narrow head and elongated front legs adapted for grasping, the damsel bug is a common predator patrolling foliage for soft-bodied insects.

true-bug
Fire Ant

Fire Ant

A small reddish-brown ant that builds loose, crater-less dirt mounds in sunny open turf and mobilizes large numbers of workers rapidly when the nest is disturbed.

ant
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
Blue Morpho

Blue Morpho

A large Neotropical butterfly famed for the brilliant, shimmering iridescent blue of its wing uppersides, which flashes vividly in flight and disappears instantly when the cryptic brown underside is exposed at rest.

butterfly
Common Baskettail

Common Baskettail

One of the earliest dragonflies to appear each spring, this brown, green-eyed skimmer often swarms in numbers over sunny clearings before most other species have emerged.

dragonfly
Cecropia Moth

Cecropia Moth

North America's largest native moth, the Cecropia is a spectacular giant silkmoth with reddish-brown wings marked by crescent-shaped white spots and bold bands of red, white, and tan.

moth
Malachite Butterfly

Malachite Butterfly

A large tropical butterfly named for the vivid green, mineral-like patches that break up its otherwise dark brown wings, giving it a translucent, stained-glass appearance in flight.

butterfly
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
Cotton Bollworm

Cotton Bollworm

A variably colored caterpillar, ranging from green to brown to nearly pink, that burrows into cotton bolls, corn ears, and tomato fruit, feeding concealed inside the very structures it damages.

caterpillar-larva
Mole Cricket

Mole Cricket

A stout, velvety brown cricket relative with broad, shovel-like front legs adapted for digging, spending most of its life burrowing just beneath the surface of moist soil.

grasshopper-cricket
Walking Stick

Walking Stick

A remarkably twig-like insect with a long, slender, brown to green body and thin legs, so effective at mimicking a plant stem that it can be nearly invisible while motionless on vegetation.

mantis-stick
Paper Wasp

Paper Wasp

A slender, long-legged wasp with a narrow waist and reddish-brown to black coloring marked with yellow, recognized by its open, umbrella-shaped paper nest with visible hexagonal cells.

wasp
Silvery Checkerspot

Silvery Checkerspot

An orange-brown checkered butterfly named for the row of small silvery-white crescent spots along the underside hindwing margin, commonly seen nectaring at composite flowers in open habitats.

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
Emperor Moth

Emperor Moth

A striking silk moth with a large eyespot on each of its four wings, showing pronounced differences between the smaller, orange-brown, day-flying males and the larger, greyer, night-flying females.

moth
Ruby Tiger Moth

Ruby Tiger Moth

A small, warm reddish-brown tiger moth with plain rosy-tinted forewings and pink-flushed hindwings dotted with dark spots, often seen resting openly on vegetation in sunny, open habitats.

moth
Great Tiger Moth

Great Tiger Moth

A boldly patterned tiger moth with chocolate-brown and cream lace-like markings on the forewings and vivid orange hindwings spotted with blue-black, one of the most visually striking moths in temperate gardens.

moth
Tobacco Hornworm Moth (Carolina Sphinx)

Tobacco Hornworm Moth (Carolina Sphinx)

A large, streamlined gray-brown sphinx moth with six pairs of orange spots along its abdomen, best known as the adult stage of the tobacco hornworm caterpillar that feeds on tomato and tobacco plants.

moth
Northern Mole Cricket

Northern Mole Cricket

A stout, velvety brown cricket with shovel-like front legs built for tunneling through damp soil, more often heard as a low buzzing trill at night than seen above ground.

grasshopper-cricket