Bug Identifier
Cellar Spider
Community identification

Cellar Spider

Pholcus phalangioides

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

Natural Habitat

Damp, dark places such as cellars, basements, caves, and corners of rooms near ceilings or baseboards.

Diet & Feeding

Insects and other spiders; they are known to invade the webs of other spiders to eat them.

Behavior Patterns

They build irregular, messy webs. When threatened, they vibrate rapidly in their web, making themselves a blur to predators.

Risks & Benefits

Harmless to humans; their fangs are generally unable to penetrate human skin. They are beneficial as they eat pests like flies, moths, and mosquitoes.