Bug Identifier
Cellar Spider (Daddy Long-legs)
Community identification

Cellar Spider (Daddy Long-legs)

Pholcus phalangioides

Order & Family
Araneae: Pholcidae
Size
Body length 2–10 mm; legs can be up to 50 mm long.
See this bug in the Encyclopedia

Natural Habitat

Found globally in dark, damp environments such as basements, attics, crawl spaces, and corners of ceilings in homes.

Diet & Feeding

Carnivorous; feeds on flies, gnats, mosquitoes, and even other spiders much larger than themselves.

Behavior Patterns

Known for spinning irregular tangles of webbing; if disturbed, they vibrate rapidly in their webs to blur their outline and confuse predators (whirling).

Risks & Benefits

Non-toxic and harmless to humans as their fangs are generally unable to penetrate skin; highly beneficial as natural pest control for indoor insects.