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.

Crab Spider

Crab Spider

Perched motionless atop a flower petal, often perfectly matched to its color, the crab spider is a patient ambusher that waits for pollinators to land within reach of its outstretched front legs.

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Ground Spider

Ground Spider

A dark, fast-moving nocturnal hunter that patrols the ground surface at night, easily recognized by its distinctive pair of forward-projecting silk spinnerets.

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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.

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Wolf Spider

Wolf Spider

A robust, hairy, ground-dwelling spider with excellent night vision and a habit of chasing down prey rather than trapping it in a web; females are often seen carrying an egg sac or a back full of spiderlings.

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Spider Wasp

Spider Wasp

A quick, nervous-flying solitary wasp with long spiny legs and constantly flicking wings, recognized for its habit of running across open ground in short bursts while hunting spiders to paralyze and store for its young.

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Six-eyed Sand Spider

Six-eyed Sand Spider

A flattened, sand-colored spider that buries itself just beneath the desert surface, ambushing prey while remaining almost invisible against the dunes.

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Black Widow Spider

Black Widow Spider

A glossy black, globe-bodied spider best known for the red or orange hourglass marking on the underside of the female's rounded abdomen, usually found tucked in a tangled web near ground level.

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Brazilian Wandering Spider

Brazilian Wandering Spider

A fast, ground-dwelling hunter of the South American rainforest floor, the Brazilian wandering spider builds no web at all, instead actively roaming at night in search of prey and occasionally turning up in shipments of bananas, which earned it a widely known nickname.

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Sydney Funnel-web Spider

Sydney Funnel-web Spider

Glossy black and heavily built, with large fangs held ready in front of its face, the Sydney funnel-web spider shelters in a silk-lined burrow in moist, shaded ground across the Sydney region, one of Australia's most distinctive ground-dwelling spiders.

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Spiny Orb Weaver

Spiny Orb Weaver

A small, hard-shelled orb weaver shaped like a tiny crab, with six sharp spines projecting from a brightly colored abdomen suspended in a neat wheel-shaped web.

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Wolf Spiderling

Wolf Spiderling

A tiny, fast-moving juvenile wolf spider, often seen riding in dozens on its mother's back before dispersing to hunt on its own across open ground.

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Tarantula

Tarantula

The tarantula is the heavyweight of the spider world, a densely furred, ground-hugging hunter that spends most of its long life waiting in a silk-lined burrow for prey to wander past.

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Whip Scorpion

Whip Scorpion

A flattened, spider-like arachnid with a pair of extraordinarily long, whip-thin front legs used to feel out its surroundings in the dark, and large spiny pedipalps held out front like a crab's claws. Despite the name and fearsome appearance, it has no stinger and no fangs.

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.

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Spur-throated Grasshopper

Spur-throated Grasshopper

One of the most familiar grasshopper groups in North America, named for the small spine on its throat and known for including some of the continent's most abundant rangeland species.

grasshopper-cricket