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.

Cave Spider

A long-legged orb weaver adapted to the twilight zone of caves, spinning large webs across cavern mouths and dangling its egg sacs from silk threads deep within the darkness.

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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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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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Trapdoor Spider

A stocky, burrowing spider that engineers a hinged, camouflaged silk door over its underground tunnel, waiting just inside to snap the lid open and seize passing prey in an ambush lasting a fraction of a second.

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House Spider

A small, round-bodied brown spider with mottled markings that spins tangled, irregular cobwebs in quiet corners, ceilings, and undisturbed indoor spaces.

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Green Lynx Spider

Green Lynx Spider

A slender, bright green spider armed with long spiny legs that ambushes insects from flowers and shrubs without spinning a capture web.

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Wandering Spider

A large, fast-moving hunter that forages actively at night across leaf litter and low vegetation instead of relying on a web to catch its meals.

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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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Woodlouse Spider

Woodlouse Spider

A reddish-brown spider with oversized forward-pointing jaws specialized for piercing the armored shells of woodlice, often found lurking under damp stones and mulch.

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Cobweb Spider

A common household spider that spins a messy, three-dimensional tangle of silk in dark corners and drags entangled insects up into the maze to feed.

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Cellar Spider

Cellar Spider

A pale, long-legged spider that builds loose, irregular webs in dark corners and is famous for rapidly vibrating in its web when disturbed, causing it to blur into an indistinct shape.

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Banana Spider

Banana Spider

"Banana spider" is a folk name applied inconsistently across the Americas, but in the southeastern United States it most often refers to the large, golden-silked orb weaver commonly seen spanning gaps between trees along shaded trails.

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Diving Bell Spider

Diving Bell Spider

The world's only truly aquatic spider, famous for spinning an underwater silk bell that it fills with air, allowing it to live, hunt, and breed almost entirely submerged.

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Brown Widow Spider

Brown Widow Spider

Named for its mottled tan-and-brown coloring rather than glossy black, the brown widow is easily recognized by its distinctive spiky, off-white egg sacs and an orange hourglass on its underside.

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Bess Beetle

Bess Beetle

A large, glossy jet-black beetle that lives in family groups inside rotting logs, communicating with fellow beetles through squeaks and cooperating to raise larvae, an unusually social lifestyle for an insect of its kind.

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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.

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Flea Beetle

A tiny, shiny beetle that springs away like a flea when disturbed, leaving characteristic small round holes peppered across the leaves it feeds on.

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June Beetle

A stout, reddish-brown scarab beetle that emerges in late spring and early summer, famous for clumsily bumping into porch lights and window screens at night.

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Rove Beetle

Rove Beetle

A slender, fast-running beetle with unusually short wing covers that leave much of its flexible abdomen exposed, often curling its tail upward like a scorpion when alarmed.

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Bold Jumping Spider

Bold Jumping Spider

A stocky, fuzzy black spider with iridescent green or blue mouthparts and a bold white or orange spot on its abdomen, the bold jumper is known for its excellent eyesight, curious behavior, and ability to leap many times its own body length.

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Atlas Beetle

Atlas Beetle

A large, glossy black-to-metallic rhinoceros beetle in which males bear three long curved horns used for combat over food and mates.

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Fig Beetle

Fig Beetle

A large, dull metallic-green scarab beetle with a loud, buzzing flight, often seen crash-landing near ripe or overripe fruit and compost piles on warm summer days.

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Bark Beetle

A tiny, cylindrical, dark-bodied beetle that tunnels beneath tree bark, leaving distinctive branching gallery patterns as the clearest sign of its presence.

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Tiger Beetle

Tiger Beetle

A fast, metallic-hued ground beetle with oversized sickle-shaped jaws that sprints and short-flies down open sandy trails in pursuit of tiny prey.

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