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.

Aedes Mosquito

A boldly patterned, day-active mosquito genus known for its black-and-white striped legs and habit of breeding in the smallest pockets of water.

fly

Root Maggot

A small, legless white grub that lives hidden in the soil, tunneling into the roots of cabbage-family vegetables where it feeds unseen.

fly
Orchid Mantis

Orchid Mantis

A dazzling pink-and-white mantis whose petal-shaped leg lobes let it pass as a flower, luring pollinating insects close enough to ambush.

mantis-stick

Codling Moth Larva

The classic 'worm in the apple,' this pinkish-white caterpillar tunnels straight to the core of apples and pears, leaving a telltale frass-plugged entry hole behind.

caterpillar-larva
Goliath Beetle

Goliath Beetle

One of the largest and heaviest beetles on Earth, a massive scarab with a bold pattern of black, white, and brown stripes across its shield-like body.

beetle
Convergent Ladybird Beetle

Convergent Ladybird Beetle

A common orange-red ladybird with black spots and two distinctive converging white lines on its thorax, widely valued as a natural aphid predator.

beetle
Regal Fritillary

Regal Fritillary

A large, showy prairie butterfly with bright orange forewings and dramatically contrasting black hindwings dotted with rows of white and cream spots.

butterfly
Cabbage Looper

Cabbage Looper

A pale green caterpillar with thin white stripes that arches its back into a loop as it inches along cabbage and other garden leaves.

caterpillar-larva

Backswimmer

A boat-shaped aquatic true bug that swims upside down using oar-like hind legs, patrolling pond water in search of small prey.

aquatic-insect

Onion Fly

A slender gray fly closely related to houseflies whose white legless larvae bore into onion bulbs, feeding in clusters within a single rotting bulb.

fly
Falcate Orangetip

Falcate Orangetip

An early-spring white butterfly whose males flash bright orange wingtips, while both sexes show a distinctive hooked (falcate) forewing shape and marbled green underside pattern.

butterfly
Varied Carpet Beetle

Varied Carpet Beetle

A tiny beetle mottled with white, brown, and yellow scales that, as a fuzzy larva, quietly grazes on natural fibers tucked away in closets and attics.

beetle

Bird-dropping Spider

A lumpy, white-and-brown orb-weaver that spends its days motionless on a leaf, looking uncannily like a fresh splash of bird droppings.

spider
Virginia Tiger Moth

Virginia Tiger Moth

An almost pure-white, fluffy tiger moth with a few small black dots on the wings and body, whose caterpillar is the familiar pale yellow "yellow woolly bear."

moth
Cottonwood Borer

Cottonwood Borer

A large, boldly patterned longhorn beetle in black and chalky white checkerboard markings, often found clinging to the trunks of cottonwood and poplar trees near its larvae's root tunnels.

beetle

Zebra Longwing Caterpillar

A creamy-white caterpillar dotted with black spots and armed with branching black spines, feeding exclusively on passionflower vines whose chemistry it stores for defense.

caterpillar-larva

Pill Millipede

A short, heavily armored millipede that rolls into a tight, perfect ball when disturbed, closely resembling a pill bug but built from far fewer, broader body segments.

myriapod

Mourning Cloak Caterpillar

A gregarious, velvety black caterpillar speckled with white dots and a striking row of brick-red spots down its back, often seen feeding in clusters on willow branches.

caterpillar-larva
Cochineal

Cochineal

A tiny, sedentary scale insect that lives clustered on prickly pear cacti beneath a protective coat of white, waxy fluff, historically prized for the deep red pigment it produces.

true-bug
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
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
Brown-tail Moth

Brown-tail Moth

A pure white moth with a tuft of brown hair at the tip of its abdomen, whose gregarious, hairy caterpillars overwinter communally in silken webs on tree branches.

moth
Lesser Water Boatman

Lesser Water Boatman

A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.

true-bug
Asian Tiger Mosquito

Asian Tiger Mosquito

A small, dark mosquito boldly marked with silvery-white stripes, including one distinctive stripe running straight down the center of its back, that bites readily in broad daylight.

fly