Animal group · 11 species

Arachnids

Eight-legged animals without antennae, including spiders, scorpions and harvestmen.

Species profiles

Arachnids

Arizona bark scorpion

Centruroides sculpturatus

The Arizona bark scorpion is a small, pale scorpion of the Sonoran Desert and the most venomous in the US. Size, climbing habits, young, venom and real risk.

NENot Evaluated

Arachnids

Brown recluse

Loxosceles reclusa

The brown recluse is a shy, six-eyed spider of the south-central US with a violin mark and tissue-damaging venom. Its real range, habits, life cycle and bites.

NENot Evaluated

Arachnids

Carolina wolf spider

Hogna carolinensis

The Carolina wolf spider is North America's largest wolf spider, a burrowing night hunter with no web. Its size, range, eyeshine, egg sacs and real bite risk.

NENot Evaluated

Arachnids

Common harvestman

Phalangium opilio

The common harvestman is a long-legged arachnid, not a spider: one-piece body, two eyes, no silk, no venom. Size, diet, range, life cycle and detachable legs.

NENot Evaluated

Arachnids

Deathstalker

Leiurus quinquestriatus

The deathstalker is a pale yellow desert scorpion of North Africa with one of the most potent scorpion venoms known. Size, range, hunting, young and real risk.

NENot Evaluated

Arachnids

Giant house spider

Eratigena atrica

The giant house spider is a big, fast but harmless funnel weaver of European homes, also found in Canada and the US Northwest. Size, webs, speed and lifespan.

NENot Evaluated

Arachnids

Goliath birdeater

Theraphosa blondi

The Goliath birdeater is the heaviest spider on Earth, a South American tarantula of up to 175 g (6.2 oz). Facts on its size, burrows, diet, hairs and lifespan.

NENot Evaluated

Arachnids

Southern black widow

Latrodectus mactans

The southern black widow is a shy, glossy black spider of the southeastern US with a red hourglass and potent venom. Its size, web, life cycle and real risk.

NENot Evaluated

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