Bug Identifier
Common House Spider (Giant House Spider)
Community identification

Common House Spider (Giant House Spider)

Eratigena duellica

Order & Family
Araneae: Agelenidae
Size
Body length 10-18 mm; leg span can reach up to 10 cm.
See this bug in the Encyclopedia

Natural Habitat

Often found in residential areas, basements, garages, and dark crevices in gardens or outbuildings.

Diet & Feeding

Carnivorous, primarily feeding on insects such as flies, moths, and other small invertebrates.

Behavior Patterns

Active hunters that build funnel-shaped webs; known for their extreme speed when running across floors to escape or catch prey.

Risks & Benefits

Benefits the ecosystem by controlling pest populations; they are not aggressive toward humans and their venom is not considered medically significant.