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.

Monarch Butterfly

Monarch Butterfly

A large butterfly with bold orange wings crossed by black veins and a black, white-spotted border, famous for its multi-generational migration between North America and central Mexico.

butterfly
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
Indianmeal Moth

Indianmeal Moth

A small moth with two-toned, coppery-and-gray wings whose caterpillars spin silken webbing through stored grain, cereal, and dried fruit.

moth
Red Admiral

Red Admiral

A fast-flying, strikingly patterned butterfly with velvety black wings crossed by a bold orange-red band and white-spotted tips, often seen basking on tree trunks or sipping from fallen fruit.

butterfly
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
Common Blue

Common Blue

A small, sun-loving butterfly whose males flash brilliant violet-blue wings while females wear warm brown with a scattering of orange spots.

butterfly
Milkweed Bug (Large Milkweed Bug)

Milkweed Bug (Large Milkweed Bug)

A boldly patterned orange-and-black true bug found clustering on milkweed seed pods, sporting an elongated body with a distinctive black band across the wings.

true-bug
Brimstone Butterfly

Brimstone Butterfly

A sulphur-yellow, leaf-shaped butterfly whose folded wings mimic a fresh green leaf so convincingly it is often credited as the origin of the word 'butterfly'.

butterfly
Fruit Fly (Vinegar Fly)

Fruit Fly (Vinegar Fly)

A tiny tan fly with bright red eyes that seems to appear from nowhere the moment a piece of fruit begins to overripen or a splash of wine is left uncovered.

fly
Sand Fly

Sand Fly

A tiny, densely hairy fly that holds its wings erect in a distinctive V-shape and travels in short, silent hops rather than sustained flight.

fly
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
Drinker Moth

Drinker Moth

A stout, furry moth with warm tawny-orange to buff-brown wings marked by two small white spots on each forewing, named for its caterpillar's habit of drinking water droplets from grass blades.

moth
Squash Vine Borer

Squash Vine Borer

A day-flying, wasp-mimicking moth whose orange fuzzy hind legs and metallic wings make it easy to mistake for a wasp as it darts around squash vines.

moth
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
Planthopper

Planthopper

A varied group of sap-feeding true bugs known for their sideways-held wings, jumping ability, and, in some tropical species, exaggerated head projections used for display.

true-bug
Snowberry Clearwing Moth

Snowberry Clearwing Moth

A day-flying sphinx moth with black-and-yellow banding and mostly transparent wings that closely mimics a bumblebee, hovering at flowers to feed through a long uncoiled proboscis.

moth
Emerald Spreadwing

Emerald Spreadwing

A robust, metallic green damselfly of northern wetlands, the Emerald Spreadwing rests with its wings held open in the characteristic spreadwing posture and thrives in shallow, seasonal ponds.

dragonfly
Deer Fly

Deer Fly

A small but aggressive fly with strikingly patterned, dark-banded wings and bright green or gold eyes, often circling the head and shoulders while hunting for a blood meal.

fly
Spider Wasp

Spider Wasp

A quick, nervous-flying solitary wasp with long spiny legs and constantly flicking wings, recognized for its habit of running across open ground in short bursts while hunting spiders to paralyze and store for its young.

wasp
Ailanthus Silkmoth (Cynthia Moth)

Ailanthus Silkmoth (Cynthia Moth)

A very large silkmoth with broad, tan-brown wings crossed by white, crescent-moon-shaped bands, closely associated with the fast-spreading tree-of-heaven that both feeds its larvae and carried the species around the world.

moth
White Admiral

White Admiral

A large, dark butterfly crossed by a bold white band on both wings, the northern form of the same species that produces the iridescent blue Red-spotted Purple farther south.

butterfly
Periodical Cicada

Periodical Cicada

A black-bodied cicada with striking red eyes and orange-veined wings, famous for emerging in massive, synchronized broods after spending 13 or 17 years developing underground.

true-bug
Green Lacewing

Green Lacewing

With delicate pale green wings and glittering golden eyes, the Green Lacewing is a familiar garden insect whose larvae are voracious predators of aphids and other soft-bodied pests.

other
Lacewing

Lacewing

A delicate, pale green insect with large, transparent, intricately veined wings and shining golden or copper-colored eyes, valued as a natural predator of aphids in its larval form.

other