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.

Comet Moth (Madagascan Moon Moth)

Comet Moth (Madagascan Moon Moth)

One of the largest and most spectacular silk moths in the world, with pale yellow-to-red wings and extraordinarily long, ribbon-like tails on the hindwings.

moth

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
Swallowtail Butterfly

Swallowtail Butterfly

A large, showy butterfly named for the elongated, tail-like extensions on its hindwings, often seen gliding gracefully around gardens and flowering meadows.

butterfly

Tussock Moth Caterpillar

A boldly tufted caterpillar bristling with dense brush-like hair tussocks and long dark pencil plumes that give it an almost punk-rock silhouette.

caterpillar-larva

Gall Mite

An almost worm-shaped, microscopic mite that induces plants to grow strange pouches, pockets, and felt-like patches around its feeding sites.

arachnid

Lace Weaver Spider

A stocky, mottled spider that spins a distinctive bluish, woolly-looking lace-like web across bark and wall crevices to snare passing insects.

spider
Bumblebee Moth

Bumblebee Moth

A fuzzy, day-flying sphinx moth that hovers at flowers like a bee, with mostly clear wings and a black-and-yellow banded body that mimics a bumblebee.

moth
Scorpionfly

Scorpionfly

A harmless scavenger whose alarming name comes from the male's swollen, upturned abdominal tip, which curls like a scorpion's tail but carries no sting.

other

Ogre-faced Spider

A twig-like nocturnal spider with enormous, light-gathering eyes that weaves a small rectangular net and hurls it over passing prey in a lightning-fast ambush.

spider

Water Boatman Bug

A boat-shaped little swimmer that rows through pond water with oar-like hind legs, grazing on algae rather than hunting other animals.

true-bug
Walking Stick Insect

Walking Stick Insect

A master of disguise that has evolved to look almost exactly like a twig, bark or leaf, remaining motionless for hours to avoid the notice of hungry birds and lizards.

mantis-stick

Thrips

A minuscule, slender insect with fringed, feather-like wings, often noticed only as a fast-moving dark speck darting across a flower petal or windowsill.

other
Northern Walkingstick

Northern Walkingstick

A slender, wingless insect so convincingly shaped like a twig that it can rest motionless on a branch just inches from view and go completely unnoticed.

mantis-stick
Long-jawed Orb Weaver

Long-jawed Orb Weaver

A slender, stick-like spider with oversized jaws that stretches its legs flat along a stem or spins a loose orb web low over water.

spider
Elephant Hawk-Moth

Elephant Hawk-Moth

A strikingly colored olive-green and bright pink hawk moth named for its caterpillar's trunk-like tapered front end and large false eyespots.

moth
Halloween Pennant

Halloween Pennant

With broad orange-amber wings banded in dark brown, this dragonfly perches conspicuously atop tall grass stems, swaying like a small flag in the breeze.

dragonfly

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
Bed Bug

Bed Bug

A small, flat, reddish-brown, wingless insect shaped like an apple seed that hides in mattress seams and bed frames by day and emerges at night to feed.

true-bug
Water Measurer

Water Measurer

Thin as a splinter and slow-stepping across the surface film, the water measurer creeps along pond edges spearing tiny prey with its needle-like snout.

true-bug
Saucer Bug

Saucer Bug

Flattened and rounded like its namesake, the saucer bug is a stout, oval predator that lurks among pondweed, ambushing small invertebrates and other prey with a piercing beak.

true-bug
Hummingbird Clearwing Moth

Hummingbird Clearwing Moth

A robust, olive-and-burgundy day-flying moth with mostly transparent wings that hovers at flowers exactly like a tiny hummingbird, unspooling a long proboscis to sip nectar.

moth
Comb-footed Spider

Comb-footed Spider

A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.

spider

Camel Cricket

A wingless, humpbacked cricket with unusually long legs that gives it a spider-like appearance, often startling people when it turns up in damp basements or crawl spaces.

grasshopper-cricket
Water Boatman

Water Boatman

A small, streamlined aquatic true bug with oar-like hind legs used for swimming, commonly seen gliding just beneath the surface of ponds and calm freshwater.

aquatic-insect