Bug Identifier
Giant house spider
Community identification

Giant house spider

Eratigena atrica species group (formerly Tegenaria atrica)

Order & Family
Araneae; Agelenidae
Size
Body about 10–18 mm; adult leg span can reach roughly 7–10 cm.
See this bug in the Encyclopedia

Natural Habitat

Commonly found in homes, garages, sheds, and other sheltered, dry spaces; native to Europe and established in parts of North America.

Diet & Feeding

Hunts insects and other small arthropods, usually catching them near a sheet-like web.

Behavior Patterns

Fast-running, shy spider that typically hides in a funnel retreat and is most noticeable when adult males wander in search of mates, especially in autumn.

Risks & Benefits

Generally harmless to people; bites are rare and usually cause mild, temporary symptoms. Beneficial predator of household pests.