American House Spider
Parasteatoda tepidariorum
A common, harmless indoor spider that builds messy tangled webs in corners, basements, and garages.
Identification
American house spiders are small, round-bodied, and brown with mottled markings, building irregular cobwebs.
American House Spider is a type of spider. See the full spiders guide for signs, treatment, and prevention.
Known species and subtypes
- Black WidowLatrodectus spp.
A venomous spider identified by its glossy black body and red hourglass marking, generally shy but medically significant if it bites.
- Brown RecluseLoxosceles reclusa
A venomous spider found mainly in the central and southern U.S., identified by a violin-shaped marking behind the head.
- Wolf SpiderLycosidae
A large, fast-moving hunting spider that does not build webs and is often found on the ground or entering at floor level.
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