
Community identification
Large house spider (likely)
Eratigena duellica or Eratigena atrica
- Order & Family
- Araneae; Agelenidae (funnel-weaver spiders)
- Size
- Adults typically have a body length of 10–18 mm; leg span may reach 40–60 mm.
Natural Habitat
Buildings, garages, basements, sheds, and sheltered outdoor areas; commonly found in temperate regions.
Diet & Feeding
Predatory, feeding mainly on insects and other small arthropods captured in a sheet web with a funnel retreat.
Behavior Patterns
Mostly nocturnal and fast-moving, especially during the mating season. Males wander in search of females; females remain near their webs and produce egg sacs.
Risks & Benefits
Generally harmless to people, with bites uncommon and usually minor. It helps control household insects and is not medically significant.