The Cellar Spider, or daddy longlegs spider, is a cosmopolitan house spider with an extremely small round body and remarkably long, fragile legs. When disturbed it vibrates rapidly in its web, becoming a blur — a startling defense mechanism. Despite the persistent myth, its venom is not particularly potent; its fangs are actually capable of biting humans but effects are minimal.
Habitat
Buildings, cellars, garages, and caves
Diet
Adults: small insects, other spiders, and even black widow spiders
How common
Common
Recent Cellar Spider sightings near you
Live, research-grade observations from iNaturalist. Allow location to center the map on you.
Spot a Cellar Spider? Identify it instantly.
Point Huck at any plant or animal and get an instant ID, rarity, and field notes — building your personal nature collection as you go.
Get Huck — free