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.

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

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

Cicada Killer's Prey Cicada

A large, thick-bodied, clear-winged insect best known for the loud, buzzing chorus males produce from treetops on hot summer afternoons, and a preferred prey item of the cicada killer wasp.

true-bug
Carolina Mantis

Carolina Mantis

A mottled gray-brown mantis native to the southeastern and south-central United States, smaller and more camouflaged than its introduced Chinese relative, and recognized as the state insect of South Carolina.

mantis-stick
Imperial Moth

Imperial Moth

One of the largest and most variably patterned silk moths in North America, with broad yellow wings mottled in shades of purple, brown, and pink, and a caterpillar that can grow to impressive size on a wide range of forest trees.

moth

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
Differential Grasshopper

Differential Grasshopper

A large, robust grasshopper with a bold black herringbone pattern etched along its swollen hind legs, the differential grasshopper is one of the biggest and most recognizable pest grasshoppers in North America.

grasshopper-cricket
Corn Earworm

Corn Earworm

A color-variable caterpillar, ranging from pale green to reddish-brown, that burrows headfirst into corn ears and is one of the most economically significant crop pests in North America.

caterpillar-larva
Cicada Killer Wasp

Cicada Killer Wasp

One of the largest wasps in North America, a robust rust-and-black or yellow-marked digger wasp that excavates burrows in bare soil and specializes in hunting cicadas to provision its underground nest.

wasp
Mourning Cloak

Mourning Cloak

A dark, velvety maroon-brown butterfly edged with a ragged cream-yellow border and a row of iridescent blue spots, notable for overwintering as an adult and often being one of the very first butterflies seen flying in early spring.

butterfly

Monarch Caterpillar

A boldly banded caterpillar in white, yellow, and black stripes, unmistakable as it munches its way through milkweed leaves before transforming into North America's most famous migratory butterfly.

caterpillar-larva
Eastern Forktail

Eastern Forktail

One of the smallest and most adaptable damselflies in eastern North America, the Eastern Forktail thrives in everything from wild marshes to roadside ditches, with bright green-and-black males and color-changing females.

other
Baltimore Checkerspot

Baltimore Checkerspot

A striking black butterfly checkered with rows of orange and cream-white spots, closely associated with wet meadows and its turtlehead host plant, and recognized as a state insect symbol in parts of its range.

butterfly

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
Pond Skater

Pond Skater

Skimming effortlessly across the surface of still water on long, spindly legs, the pond skater uses ripples to detect struggling insects, which it seizes and pierces with needle-like mouthparts.

true-bug
Praying Mantis

Praying Mantis

An elongated, ambush-hunting insect instantly recognizable by its triangular head, bulging compound eyes, and spiked raptorial forelegs held folded as if in prayer while it waits motionless for prey.

mantis-stick

Meadow Katydid

Small, slender, and beautifully camouflaged among grass blades, meadow katydids fill open fields and marsh edges with a soft, buzzy, insect-like ticking that blends into the summer evening background.

grasshopper-cricket
Jewel Bug

Jewel Bug

A living gemstone of the insect world, the jewel bug shimmers in dazzling metallic greens, blues, reds, and golds. Its enlarged shield-like back covers the entire body, making it look like a polished piece of enamelware.

true-bug

Braconid Wasp

A tiny, often overlooked parasitoid wasp best known for laying eggs inside caterpillars and other insect hosts, sometimes leaving telltale clusters of small white cocoons on a host's back.

wasp
Wood Tick

Wood Tick

A flattened, ornately patterned tick that waits on low brush in the Rocky Mountain foothills, ready to grab onto large mammals passing within reach. Its mottled, shield-marked back makes it one of the more distinctive North American ticks to identify.

arachnid
Regal Moth (Hickory Horned Devil)

Regal Moth (Hickory Horned Devil)

One of the largest moths in North America, with orange-red and gray-veined wings on the adult, best known for its enormous, formidable-looking caterpillar, the hickory horned devil, a blue-green giant bristling with long orange spines.

moth
Yellow Garden Spider

Yellow Garden Spider

Bold black and yellow markings, a large orb web anchored with a bright zigzag of silk, and a habit of sitting in plain view make the yellow garden spider one of the most eye-catching and recognizable spiders in North American backyards.

spider
Western Conifer Seed Bug

Western Conifer Seed Bug

A large brown true bug with flattened, leaf-shaped hind legs, native to conifer forests of the western United States but now widespread and notorious for gathering on and inside buildings as cooler weather approaches.

true-bug
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