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.

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
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
Cucumber Beetle

Cucumber Beetle

A small, brightly colored beetle patterned with black spots or stripes on a yellow-green background, commonly seen crawling on the flowers and leaves of cucumber and squash plants.

beetle
Diamondback Moth

Diamondback Moth

A small, slender grey-brown moth named for the pale, diamond-shaped pattern that appears down its back when the wings are folded, best known as a widespread pest of cabbage and other brassica crops.

moth
Colorado Potato Beetle

Colorado Potato Beetle

A rounded, boldly striped yellow-and-black beetle that is one of the most notorious defoliators of potato plants, easily spotted marching across leaves in gardens and fields.

beetle
Crab Spider

Crab Spider

Perched motionless atop a flower petal, often perfectly matched to its color, the crab spider is a patient ambusher that waits for pollinators to land within reach of its outstretched front legs.

spider
Damselfly

Damselfly

A slender, delicate relative of the dragonfly with widely spaced eyes and slim wings that fold together over its back at rest, often seen fluttering weakly among reeds and grasses at the water's edge.

dragonfly
Brown Recluse Spider

Brown Recluse Spider

A uniformly light-brown spider with a faint violin-shaped marking on its back and only six eyes instead of the usual eight, typically found hiding in dry, undisturbed indoor and outdoor spaces.

spider
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
Black Widow Spider

Black Widow Spider

A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.

spider
Blue Orchard Bee

Blue Orchard Bee

A small, metallic blue-black solitary bee widely valued as an efficient early-spring pollinator of fruit trees, nesting in narrow tunnels and hollow stems rather than building hives.

bee
Giant Walking Stick

Giant Walking Stick

The longest insect in the United States, this brown, thread-thin giant sways gently on its perch to complete the illusion of a wind-stirred twig.

mantis-stick
Rocky Mountain Wood Tick

Rocky Mountain Wood Tick

A robust, ornately patterned tick of the western mountains that clings to shrubs and grasses waiting to grab a passing mammal.

arachnid
Spring Azure

Spring Azure

One of the earliest-flying small blue butterflies of spring, with soft pale-blue upperwings, a whitish gray underside dotted with faint dark markings, and no tails on the hindwing.

butterfly
Spangled Skimmer

Spangled Skimmer

Named for the bright white 'spangles' at the base of its wings, the Spangled Skimmer pairs a powder-blue male body with crisp black-and-white wing markings.

dragonfly

Predaceous Diving Beetle

A sleek, streamlined beetle built for underwater hunting, carrying its own air supply as it patrols ponds in search of prey.

aquatic-insect
Money Spider

Money Spider

A tiny sheet-weaving spider, often seen drifting through the air on silk threads, traditionally said to bring good luck when it lands on you.

spider

Mesh Web Weaver

A tiny, easily overlooked spider that spins a loose, bluish tangle of fuzzy silk over twig tips and seed heads to snare small insects.

spider
Amazonian Giant Centipede

Amazonian Giant Centipede

The largest centipede on the planet, a formidable dark reddish-brown predator from South American rainforests capable of capturing prey as large as bats and small reptiles.

myriapod
Mining Bee

Mining Bee

A furry, solitary ground-nesting bee that emerges in early spring in loose aggregations, often mistaken for a small bumble bee, digging individual burrows marked by small volcano-shaped mounds of soil.

bee
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
Mourning Cloak Butterfly

Mourning Cloak Butterfly

A deep maroon-brown butterfly bordered with a cream-yellow band and a row of iridescent blue spots, unusual among butterflies for overwintering as an adult and being one of the first to appear in early spring.

butterfly
Cross Orbweaver

Cross Orbweaver

Named for the pale cross of dots marking its rounded abdomen, the cross orbweaver spins one of the most classic wheel-shaped webs, rebuilding it fresh nearly every night to keep its silk sticky and effective.

spider
Giant Water Bug

Giant Water Bug

A massive, flattened oval true bug with powerful grasping front legs, the giant water bug is North America's largest aquatic insect and an ambush predator lurking just below the surface of still water.

aquatic-insect