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.

Tailless Whip Scorpion

Tailless Whip Scorpion

A flattened, spider-like arachnid with no stinger and no fangs, instead using a pair of long whip-like sensory legs and grasping spiny arms to feel out and seize prey in total darkness.

arachnid
Golden Silk Orb Weaver

Golden Silk Orb Weaver

Suspended in a massive, glinting web strung between trees along a forest trail, the golden silk orb weaver is one of the largest and most striking web-building spiders in the Americas, spinning silk with a distinctive yellow-gold sheen.

spider
Goliath Birdeater

Goliath Birdeater

The heaviest spider in the world, the Goliath birdeater is a massive, hairy tarantula from the South American rainforest whose leg span can rival a dinner plate, though despite its name it primarily hunts insects and other invertebrates rather than birds.

spider
Cave Cricket

Cave Cricket

Humpbacked and wingless with absurdly long legs and antennae, this pale, silent insect thrives in the total darkness of caves, basements, and damp crawl spaces.

grasshopper-cricket
Ripple Bug

Ripple Bug

A tiny, dark true bug that skates across the surface film of calm water, producing the faint ripples that give it its common name as it hunts for small prey trapped at the surface.

aquatic-insect
Whip Scorpion

Whip Scorpion

A flattened, spider-like arachnid with a pair of extraordinarily long, whip-thin front legs used to feel out its surroundings in the dark, and large spiny pedipalps held out front like a crab's claws. Despite the name and fearsome appearance, it has no stinger and no fangs.

arachnid
Marbled Orbweaver

Marbled Orbweaver

A round-bodied orb weaver with a swollen, marbled orange-and-purple abdomen that builds large, symmetrical webs in damp woodland edges.

spider
Camel Cricket

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
Spiny Orb Weaver

Spiny Orb Weaver

A small, hard-shelled orb weaver shaped like a tiny crab, with six sharp spines projecting from a brightly colored abdomen suspended in a neat wheel-shaped web.

spider
Spined Soldier Bug

Spined Soldier Bug

A predatory stink bug identified by the sharp, pointed spines projecting from its shoulders, valued in gardens and farm fields for hunting caterpillars, beetle larvae, and other pest insects.

true-bug
Robber Fly

Robber Fly

A powerfully built, bristly-faced predatory fly that ambushes other flying insects in midair, piercing them with a stout beak-like proboscis.

fly
Vaporer Moth

Vaporer Moth

A tussock moth with dramatic sexual differences: the male is a small rusty-brown day-flying moth with a white wing spot, while the female is a flightless, wingless gray sac-like insect that never leaves her cocoon.

moth
Green Darner Dragonfly

Green Darner Dragonfly

One of the largest and most widespread dragonflies in North America, its green thorax and target-marked face make it unmistakable as it patrols open water on powerful wings.

dragonfly
Jerusalem Cricket

Jerusalem Cricket

A large, wingless, ground-dwelling insect with a shiny amber body, a strikingly human-like face, and a robust, banded abdomen, most often uncovered while digging in soil.

grasshopper-cricket
Lantern Bug (Peanut-head Bug)

Lantern Bug (Peanut-head Bug)

A bizarre rainforest planthopper whose head is drawn out into a huge, hollow, peanut-shaped snout, and whose hindwings flash a pair of large eyespots resembling the face of a small reptile.

true-bug
Phantom Midge Larva

Phantom Midge Larva

Almost invisible in open water, the phantom midge larva is a slender, transparent predator that drifts through the water column, using a pair of internal gas-filled sacs to hover at precise depths while hunting tiny prey.

aquatic-insect
Puss Moth

Puss Moth

A stout, furry gray-and-white moth named for its dense, cat-like coat of hair, best known for its bizarre green caterpillar with a hump-backed, face-like front end and forked tail filaments used in defensive displays.

moth
Dead Leaf Mantis

Dead Leaf Mantis

A master of disguise whose broad, curled, vein-textured body is nearly indistinguishable from a curled, decaying leaf lying on the forest floor.

mantis-stick
Moth

Moth

A broad group of scale-winged insects related to butterflies, typically nocturnal, with stout, often furry bodies and feathery or thread-like antennae.

moth
Common Wasp

Common Wasp

A black-and-yellow social wasp with a distinct anchor-shaped mark on its face, common around gardens and picnics in late summer as its colony reaches peak size and workers seek out sugary food.

wasp
Bark Scorpion

Bark Scorpion

A slender, pale tan scorpion best known for its unusual habit of climbing trees, walls, and rock faces rather than staying on the ground like most scorpions. Its thin build and long, narrow tail set it apart from the stockier, heavy-clawed scorpions found elsewhere.

arachnid
Angular-winged Katydid

Angular-winged Katydid

A leaf-green katydid whose broad, leaf-shaped wings make it nearly invisible among tree foliage until its soft nighttime calls give it away.

grasshopper-cricket
Shield Bug (Stink Bug)

Shield Bug (Stink Bug)

A broad, shield-shaped true bug that releases a sharp, pungent odour from glands on its body when disturbed, a defence that gives the whole family its common name.

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