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.

Atlas Moth

Atlas Moth

One of the largest moths in the world by wing surface area, the Atlas Moth is a giant reddish-brown silkmoth with striking triangular wingtip patches that resemble the heads of snakes.

moth
American Rubyspot

American Rubyspot

A brilliant ruby-red patch at the base of each wing gives this sun-loving damselfly its name, flashing like a spark of color as it perches along fast-flowing rivers.

other
Water Cricket

Water Cricket

Despite its name, the water cricket is not a cricket at all but a compact, velvety true bug that skates over the swirling surfaces of streams and riffles in search of trapped prey.

true-bug

Underwing Moth

A master of camouflage whose bark-patterned forewings hide brightly colored, banded hindwings that flash into view only when the moth is disturbed in flight.

moth

Trap-Jaw Ant

A large, fast-moving ant with elongated, straight mandibles that snap shut faster than almost any other animal movement, used to strike prey or fling the ant itself out of danger.

ant
Red-legged Grasshopper

Red-legged Grasshopper

One of the most abundant and widespread grasshoppers in North America, the red-legged grasshopper is easily spotted by its reddish hind shins flashing amid a brown, mottled body.

grasshopper-cricket
Regal Jumping Spider

Regal Jumping Spider

One of the largest and most striking North American jumping spiders, with a velvety black body, bold markings, and huge iridescent green or blue-lined eyes.

spider
Orb Weaver Spider

Orb Weaver Spider

A stout-bodied spider best known for spinning the classic, near-perfect circular "orb" web strung between plants, eaves, or fences, often rebuilt fresh each night.

spider
Meadow Fritillary

Meadow Fritillary

A small, fast-flying orange-and-black fritillary of open grassy fields, easily told from its larger cousins by its lack of silvery spots on the underside of the hindwing.

butterfly
Fragile Forktail

Fragile Forktail

One of North America's smallest and most delicate damselflies, the Fragile Forktail is best known for the pale green exclamation-point mark on top of its thorax.

dragonfly
Fire Ant

Fire Ant

A small reddish-brown ant that builds loose, crater-less dirt mounds in sunny open turf and mobilizes large numbers of workers rapidly when the nest is disturbed.

ant
Giant African Millipede

Giant African Millipede

One of the largest millipedes in the world, a slow-moving, cylindrical detritivore covered in hundreds of tiny legs that curls into a tight defensive coil when disturbed.

myriapod
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
Common House Spider

Common House Spider

Tucked into a messy tangle of silk in a quiet corner, the common house spider is one of the most familiar indoor spiders, quietly picking off flies and other small insects that blunder into its web.

spider
Broad-Bodied Chaser

Broad-Bodied Chaser

A stout, flat-bodied dragonfly that is often the first to colonise a new garden pond, with males showing a powdery pale blue abdomen and females a warm golden-brown one.

dragonfly
Squash Bug

Squash Bug

A flat-backed, brownish-gray true bug commonly found clustered on the leaves and stems of squash and pumpkin plants, where it feeds by piercing plant tissue.

true-bug

Tarantula Hawk Wasp

A giant metallic-blue wasp with rust-orange wings, the tarantula hawk is one of the largest wasps in the world. Females hunt tarantulas as living food for their single offspring.

wasp
Pharaoh Ant

Pharaoh Ant

A tiny, pale-yellow ant that thrives almost exclusively indoors, forming vast interconnected colonies within the warm voids of heated buildings.

ant
Powdered Dancer

Powdered Dancer

Named for the pale, frosty bloom that coats mature males, the Powdered Dancer is a robust river damselfly often seen basking on sunlit rocks and gravel bars.

dragonfly
Painted Lady Butterfly

Painted Lady Butterfly

A medium-sized orange-and-black butterfly with a mosaic of white-spotted black wingtips, famous as the most widely distributed butterfly on Earth and a long-distance migrant.

butterfly
Northern Bluet

Northern Bluet

A hardy blue damselfly of northern ponds and lakes, the Northern Bluet ranges farther north than most of its relatives and is often the dominant bluet at cooler, higher-latitude waters.

dragonfly
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
Grizzled Mantis

Grizzled Mantis

Mottled in shades of gray and lichen-green, this flattened mantis presses itself against tree bark so convincingly that it seems to melt into the trunk.

mantis-stick

Fire Ant Queen

The reproductive powerhouse of a fire ant colony, noticeably larger than the reddish worker ants and equipped with wings before she sheds them to found a new nest.

ant