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.

Tiger Centipede

Tiger Centipede

A large, banded desert centipede with alternating dark and pale segments reminiscent of tiger stripes, capable of a fast, muscular scuttle across sand and rock.

myriapod
Ruby Meadowhawk

Ruby Meadowhawk

A small, brilliant-red dragonfly of late summer meadows, so intensely colored that mature males seem to glow when perched low in the grass.

dragonfly
Periodical Cicada

Periodical Cicada

A black-bodied cicada with striking red eyes and orange-veined wings, famous for emerging in massive, synchronized broods after spending 13 or 17 years developing underground.

true-bug
Mud Wasp

Mud Wasp

A slender, thread-waisted solitary wasp famous for plastering rows of tube-shaped mud cells under eaves and porch ceilings, each one stocked with paralyzed spiders for its larva.

wasp
Hummingbird Hawk-Moth

Hummingbird Hawk-Moth

A day-flying moth that hovers in front of flowers on blurring wings while unspooling a long proboscis to sip nectar, so closely mimicking a hummingbird in flight that it is frequently mistaken for one.

moth

Mud Dauber Wasp

Slender, long-waisted wasps that build distinctive nests from mud, mud daubers stock their cells with paralyzed spiders. Their tube or urn-shaped mud nests are common under eaves and bridges.

wasp
Pillbug

Pillbug

A gray, armor-plated land crustacean that curls into a tight ball at the slightest touch, earning it the playful nickname "roly-poly."

other
Green Grasshopper

Green Grasshopper

A bright grass-green grasshopper with a rasping, sustained song, the common green grasshopper is one of the most familiar sounds of a European summer meadow.

grasshopper-cricket
Indianmeal Moth

Indianmeal Moth

A small moth with two-toned, coppery-and-gray wings whose caterpillars spin silken webbing through stored grain, cereal, and dried fruit.

moth
Clover Mite

Clover Mite

A speck-sized reddish mite that streaks a rust-colored stain if crushed and invades homes by the hundreds when lawns dry out or turn cold.

arachnid
Buck Moth Caterpillar

Buck Moth Caterpillar

A dark, spiny caterpillar covered in branched spines that marches across oak-lined sidewalks in dense groups each spring.

caterpillar-larva
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
American Dog Tick

American Dog Tick

A stout, mottled brown-and-silver tick that waits on grass blades with its front legs outstretched, ready to latch onto a passing host.

arachnid

Question Mark Caterpillar

A spiny, variably colored caterpillar named for the silver question-mark-shaped mark on the underside of the adult butterfly's wings.

caterpillar-larva
Little Black Ant

Little Black Ant

A tiny, shiny jet-black ant that forms long, wandering foraging trails across lawns, patios, and kitchen counters in search of sweets and protein.

ant

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
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
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
Leafcutter Bee

Leafcutter Bee

A stout, dark-bodied bee best known not for how it looks but for the neat, circular or oval notches it cuts from leaves, which it uses to line and seal its nest cells.

bee
Mealworm Beetle

Mealworm Beetle

A shiny, oval, dark reddish-brown to nearly black beetle whose larva, the familiar 'mealworm,' is a common sight in stored grain products.

beetle
Giant Asian Mantis

Giant Asian Mantis

A bulky, leaf-green predator that sits patiently among foliage, its powerful spined forelegs poised to snatch any insect that strays too close.

mantis-stick
Io Moth Caterpillar

Io Moth Caterpillar

A bright lime-green caterpillar bristling with clusters of branching, stinging spines and thin red and white racing stripes along its sides.

caterpillar-larva
Face Fly

Face Fly

A house fly look-alike that clusters persistently around the eyes, muzzle, and face of grazing livestock to feed on moisture and secretions.

fly
Common Blue

Common Blue

A small, sun-loving butterfly whose males flash brilliant violet-blue wings while females wear warm brown with a scattering of orange spots.

butterfly