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.

Comb-footed Spider

Comb-footed Spider

A diverse family of spiders defined by a row of tiny serrated bristles on their hind legs, used like a comb to fling silk over prey and wrap it up in an instant.

spider
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
Hummingbird Clearwing Moth

Hummingbird Clearwing Moth

A robust, olive-and-burgundy day-flying moth with mostly transparent wings that hovers at flowers exactly like a tiny hummingbird, unspooling a long proboscis to sip nectar.

moth
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
Huntsman Spider

Huntsman Spider

With legs splayed crab-like to either side of a flattened body, the huntsman spider is built for speed, capable of scuttling sideways across walls and tree trunks in pursuit of prey.

spider
Flame Skimmer

Flame Skimmer

A blazing orange-red dragonfly of western waterways, the Flame Skimmer perches boldly on sunlit rocks and twigs, its amber-tinted wings glowing like embers in flight.

dragonfly
Widow Skimmer

Widow Skimmer

A medium-sized dragonfly named for the broad, dark mourning-veil-like patches at the base of its wings, seen perched on shoreline vegetation across much of North America.

dragonfly
Giant Swallowtail

Giant Swallowtail

The largest butterfly in North America, a dark brown giant marked with a bold diagonal yellow band and yellow spotting that forms an X-like pattern when the wings are spread.

butterfly
Tick

Tick

A small, flattened, oval arachnid with a hard shield-like plate on its back that waits on vegetation and attaches to passing hosts to feed on blood, swelling considerably once fed.

arachnid
Green Stink Bug

Green Stink Bug

A broad, shield-shaped bug in solid bright green with a shell-like appearance, easily disturbed off host plants and known for releasing a pungent odor when handled.

true-bug
Earthworm

Earthworm

A long, smooth, segmented soil-dweller with no legs, eyes, or shell, best recognized by its ringed body and the pale saddle-like band (clitellum) found on mature individuals.

other
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
Ant-mimic Spider

Ant-mimic Spider

A slender jumping spider that walks on six legs while waving the front pair like antennae, convincingly passing itself off as an ant to fool predators and prey alike.

spider
Hickory Horned Devil

Hickory Horned Devil

An enormous, blue-green caterpillar armed with long, curved orange-red horns tipped in black, giving it a fearsome dragon-like appearance despite being completely harmless.

caterpillar-larva
Book Scorpion

Book Scorpion

A tiny, flattened arachnid that looks like a scorpion in miniature, minus the tail, scuttling sideways through old paper and dusty corners while hunting even smaller pests.

arachnid
Soil Centipede

Soil Centipede

An extremely long, thin, worm-like centipede with dozens of leg pairs that burrows through soil using its elongated body rather than speed to get around.

myriapod
Eastern Pondhawk

Eastern Pondhawk

A bold, ground-perching dragonfly whose bright green females and powdery blue males look almost like different species, and which readily preys on other dragonflies.

dragonfly
Fungus Gnat

Fungus Gnat

A small, dark, mosquito-like fly with long legs and delicate smoky wings, often seen weakly fluttering around houseplants or crawling across damp potting soil.

fly
Mealybug

Mealybug

A soft, oval insect coated in a powdery white waxy secretion that gives it a fuzzy, cotton-like appearance, typically found clustered in leaf joints and along stems of houseplants.

true-bug
Stag Beetle

Stag Beetle

A large, glossy beetle whose males wield oversized, antler-like mandibles resembling a stag's rack of horns, used for wrestling rival males rather than for feeding.

beetle
Ebony Jewelwing

Ebony Jewelwing

With entirely jet-black wings and a metallic emerald-green body, the Ebony Jewelwing flutters through streamside shade like a living jewel, its wings flashing in filtered sunlight.

other
Painted Skimmer

Painted Skimmer

The Painted Skimmer's warm amber-and-brown mottled wings look like they were dabbed with a paintbrush, making this medium-sized skimmer one of the more artistically marked dragonflies in the East.

dragonfly
Black Saddlebags

Black Saddlebags

A large, nearly all-black dragonfly with a bold dark patch draped across the base of each hindwing, patrolling high over ponds and open ground like a small kite.

dragonfly
Mayfly

Mayfly

A delicate insect with upright, sail-like wings and long, thread-thin tail filaments, famous for emerging by the millions in brief, synchronized swarms before dying within a day or two.

aquatic-insect