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.

Sleepy Orange

Sleepy Orange

A small, deep orange sulphur butterfly with dark wing borders and a low, wandering flight, named for a faint dark mark that suggests a half-closed, sleepy eye.

butterfly
Orchid Mantis

Orchid Mantis

A dazzling pink-and-white mantis whose petal-shaped leg lobes let it pass as a flower, luring pollinating insects close enough to ambush.

mantis-stick
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
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
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
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
Oriental Cockroach

Oriental Cockroach

A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.

other

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

Alderfly

A small, dusky-winged insect that flutters weakly among streamside alders and shrubs, the diminutive relative of the mighty dobsonfly.

aquatic-insect
Ant

Ant

A small eusocial insect that lives in highly organized colonies, instantly recognizable by its narrow pinched waist, elbowed antennae, and single-file foraging trails.

ant
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
Leafhopper

Leafhopper

A small, wedge-shaped insect that darts sideways and springs away in quick hops when disturbed, often brightly striped or patterned and found clinging to the underside of leaves.

true-bug
Powderpost Beetle

Powderpost Beetle

A small, slender reddish-brown to dark brown beetle whose larvae tunnel through seasoned hardwood, reducing it internally to a fine, powdery frass.

beetle
European Stag Beetle

European Stag Beetle

Europe's largest beetle, a glossy dark brown insect in which males carry oversized antler-like mandibles used to wrestle rivals, resembling the antlers of a stag.

beetle
Silverfish

Silverfish

A wingless, silvery-gray insect with a tapered, fish-like body and three long tail bristles, known for its quick, darting movements and preference for dark, humid hiding spots.

other

House Ant

A small, dark brown to black ant that forages in loose trails along countertops and baseboards and releases a distinctive rotten-coconut smell when crushed.

ant
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
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
Speckled Bush Cricket

Speckled Bush Cricket

A tiny, plump, green insect finely dotted with dark speckles, this bush cricket forgoes song almost entirely, communicating instead through nearly silent, ultrasonic clicks.

grasshopper-cricket
House Cricket

House Cricket

A pale tan, dark-banded cricket originally from warm regions of Asia that has spread worldwide both as an occasional indoor nuisance and as a widely farmed feeder insect.

grasshopper-cricket
Deer Tick

Deer Tick

A small, dark-legged tick with a reddish-brown, teardrop-shaped body, noticeably smaller than many other common tick species and often found questing in wooded or grassy edge habitats.

arachnid
Western Black Widow

Western Black Widow

A glossy, jet-black spider with a bold red hourglass mark on the underside of her round abdomen, the western black widow builds a tangled, irregular web in dark, undisturbed corners of the American West.

spider
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
Furniture Beetle

Furniture Beetle

A tiny, reddish-brown to dark brown cylindrical beetle whose larvae, commonly called 'woodworm,' bore small round tunnels through seasoned furniture and timber.

beetle