
Community identification
Cellar Spider
Pholcus phalangioides
- Order & Family
- Order Araneae, Family Pholcidae
- Size
- Body length is typically 2 to 10 millimeters, with a much larger leg span reaching up to 50 millimeters.
Natural Habitat
Found worldwide in dark, damp places such as cellars, basements, crawl spaces, attics, and the corners of rooms in houses.
Diet & Feeding
They feed primarily on other spiders, insects, and occasionally woodlice, using their long legs to wrap prey in silk before biting them.
Behavior Patterns
Known for vibrating rapidly in their webs when disturbed to confuse predators, and for building irregular, tangled, non-sticky webs in corners.
Risks & Benefits
Completely harmless to humans as their fangs are rarely able to puncture human skin and their venom is weak. They are beneficial because they help control populations of pests, mosquitoes, and even venomous spiders like black widows.