Bug Identifier
Cellar Spider
Community identification

Cellar Spider

Pholcus phalangioides

Order & Family
Order: Araneae, Family: Pholcidae
Size
Body length 7–9 mm; legs can span up to 50 mm.
See this bug in the Encyclopedia

Natural Habitat

Commonly found in dark, damp environments like basements, cellars, caves, and corners of homes.

Diet & Feeding

Carnivorous; feeds on small insects, other spiders (including larger species), and woodlice.

Behavior Patterns

Known for building messy, irregular webs; they exhibit a 'shaking' or vibrating defense mechanism when disturbed to blur their outline.

Risks & Benefits

Harmless to humans with very weak fangs; highly beneficial for natural pest control as they hunt mosquitoes, flies, and other household spiders.