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.

Water Scorpion

Water Scorpion

An elongated, twig-like aquatic true bug with grasping raptorial forelegs and a long, thin breathing tube at the tail end, resembling a slender scorpion as it lies in ambush among submerged plants.

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Scorpion

Scorpion

An ancient, armored arachnid with grasping pincers and a segmented tail carried curled over its back, tipped with a stinger used to subdue prey.

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Yellow Scorpion

Yellow Scorpion

A robust, sandy-yellow scorpion of arid regions that spends daylight hours buried or hidden beneath stones, emerging at dusk to hunt.

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Deathstalker Scorpion

Deathstalker Scorpion

A slender, pale yellow scorpion of Middle Eastern and North African deserts, famed for its striking coloration and status as one of the most studied scorpions in scientific research.

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Emperor Scorpion

Emperor Scorpion

A massive, glossy black scorpion with heavy, oversized pincers built for crushing prey rather than stinging it, the emperor scorpion is one of the biggest and most recognizable scorpions on Earth. It digs deep burrows in rainforest soil and is unusual among scorpions for tolerating close family groups.

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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.

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Bark Scorpion

Bark Scorpion

A slender, pale tan scorpion best known for its unusual habit of climbing trees, walls, and rock faces rather than staying on the ground like most scorpions. Its thin build and long, narrow tail set it apart from the stockier, heavy-clawed scorpions found elsewhere.

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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.

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Water Mite

Water Mite

A brilliantly colored, ball-shaped mite that swims through freshwater ponds and streams using fringed, oar-like legs.

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Water Boatman

Water Boatman

A small, streamlined aquatic true bug with oar-like hind legs used for swimming, commonly seen gliding just beneath the surface of ponds and calm freshwater.

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Water Beetle

Water Beetle

A smooth, dark, oval-bodied beetle adapted for swimming, commonly found paddling through ponds and marshes and periodically surfacing to renew a carried air supply.

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Water Strider

Water Strider

A slender, long-legged true bug famous for skating effortlessly across the surface of ponds and streams using water's surface tension.

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Water Flea

Water Flea

Despite the name, the water flea is not an insect at all but a tiny, jerky-swimming crustacean whose transparent body and single dark eye make it one of the most recognizable members of freshwater plankton.

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Water Springtail

Water Springtail

Barely visible to the naked eye, the water springtail skates across the surface film of still water in dense dark clusters, flicking itself into the air with a spring-loaded tail whenever danger approaches.

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Water Measurer

Water Measurer

Thin as a splinter and slow-stepping across the surface film, the water measurer creeps along pond edges spearing tiny prey with its needle-like snout.

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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.

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Tailless Whip Scorpion

Tailless Whip Scorpion

A flattened, spider-like arachnid with no stinger and no fangs, instead using a pair of long whip-like sensory legs and grasping spiny arms to feel out and seize prey in total darkness.

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Arizona Bark Scorpion

Arizona Bark Scorpion

A slim, pale tan scorpion of the Sonoran Desert that climbs trees, walls, and even ceilings with equal ease thanks to its excellent grip.

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Striped Bark Scorpion

Striped Bark Scorpion

A slender, tan scorpion marked with two bold dark stripes down its back, often found tucked under bark, rocks, or debris across the central United States.

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Flat Rock Scorpion

Flat Rock Scorpion

An extraordinarily flattened, long-tailed scorpion that squeezes into paper-thin rock crevices, among the largest scorpions in the world by length.

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Giant Desert Hairy Scorpion

Giant Desert Hairy Scorpion

The largest scorpion in North America, a robust golden-brown giant covered in fine bristles that digs deep burrows in the desert sand and hunts after dark.

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Water Stick Insect

Water Stick Insect

An extraordinarily twig-like aquatic predator that lies motionless among pond weed, grasping passing prey with spiny raptorial forelegs while breathing through a long tail-like snorkel.

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Lesser Water Boatman

Lesser Water Boatman

A flat-backed, oar-legged true bug that rows through pond water with fringed hind legs, surfacing periodically to trap a silvery bubble of air against its body.

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Common Water Strider

Common Water Strider

Skating effortlessly across the surface film of ponds and slow streams, the common water strider rows itself along on hair-fringed legs to ambush insects trapped in the surface tension.

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