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.

Fig Wasp

Fig Wasp

A pinhead-sized wasp that spends nearly its entire life inside a fig, forming one of the most tightly co-evolved partnerships in nature as it pollinates the tree in exchange for a place to lay its eggs.

wasp

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

Digger Bee

A robust, fast-flying, densely furry solitary bee that excavates tunnels in bare or sloped soil, often confused with bumble bees due to its bulky, hairy build and loud buzzing flight.

bee
Rosy Maple Moth

Rosy Maple Moth

A small, plush-looking moth in candy-pink and lemon-yellow, often described as one of the most vividly colored moths in North America despite its modest size.

moth

Polyphemus Moth Caterpillar

A plump, apple-green giant silk moth larva with rows of silvery spots that swells to the size of a large finger before spinning a papery brown cocoon.

caterpillar-larva
Luna Silkmoth

Luna Silkmoth

A large, pale lime-green silkmoth with long, trailing tails on its hindwings and delicate eyespots, widely regarded as one of the most striking moths in North America.

moth
Grain Moth

Grain Moth

A tiny buff-colored moth whose larvae tunnel invisibly inside individual kernels of stored grain, hollowing them out from within.

moth
Ghost Mantis

Ghost Mantis

A small, angular mantis crowned with a leaf-shaped crest, so thoroughly disguised as a withered leaf that it seems to vanish into dead foliage.

mantis-stick
Desert Locust

Desert Locust

A large, powerful grasshopper capable of forming some of the most extensive and historically devastating insect swarms on Earth, transforming from a solitary desert dweller into a densely packed migrating horde under the right conditions.

grasshopper-cricket

House Spider

A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.

spider
Common Green Darner

Common Green Darner

A large green-and-blue dragonfly and the official state insect of Washington, best known among dragonfly watchers for an annual migration that spans multiple generations.

dragonfly
Redback Spider

Redback Spider

A glossy black spider marked with a single bold red stripe down its back, the redback spider is one of Australia's most recognizable cobweb spiders, most often found tucked into dry, sheltered corners around homes and gardens.

spider
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
Codling Moth

Codling Moth

A small, inconspicuous grey-brown moth best known through the work of its larva, the classic apple 'worm' that tunnels into fruit, making this tiny moth one of the most economically significant insects in orchards worldwide.

moth

Scale Insect

A small, immobile insect that appears as a flat or domed, waxy bump firmly attached to a stem or leaf, easily mistaken for a plant blemish rather than a living creature.

true-bug
Diving Bell Spider

Diving Bell Spider

The world's only truly aquatic spider, famous for spinning an underwater silk bell that it fills with air, allowing it to live, hunt, and breed almost entirely submerged.

spider
Fall Webworm Moth

Fall Webworm Moth

A plain white (sometimes lightly speckled) moth whose caterpillars are far more familiar than the adult, spinning large communal silk webs over the ends of tree branches in late summer and early autumn.

moth
Termite

Termite

A pale, soft-bodied social insect that lives in hidden colonies and feeds on cellulose in wood and plant debris, often mistaken for an ant despite belonging to an entirely different insect order.

other
Mormon Cricket

Mormon Cricket

A hefty, flightless katydid whose swarms can stretch for miles across western rangelands, marching en masse in search of food and mates.

grasshopper-cricket
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
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
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
Salt Marsh Moth

Salt Marsh Moth

A fluffy white tiger moth with black-speckled forewings and an orange-and-black abdomen, best known through its fast-moving, densely bristled caterpillar that wanders widely in late summer.

moth
Orange Sulphur

Orange Sulphur

A vivid orange-and-yellow butterfly with sharp black wing borders, one of the most common butterflies over open fields and alfalfa crops throughout North America.

butterfly