Giant House Spider
Scientific Name: Eratigena duellica
Order & Family: Araneae (order), Agelenidae (family)
Size: Body length 10-18mm; leg span can reach up to 75-100mm.
Natural Habitat
Commonly found in residential homes, dark corners, garages, basements, and gardens.
Diet & Feeding
Carnivorous; feeds on flies, moths, beetles, and other household pests.
Behavior Patterns
Builds messy, funnel-shaped webs; extremely fast runners that prefer flight over confrontation; most active during late summer and autumn mating seasons.
Risks & Benefits
Benefits include controlling indoor pest populations. They pose very little risk to humans as they are non-aggressive; their venom is medically insignificant and they rarely bite.
Identified on: 6/14/2026