
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.
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.