Noble False Widow

Scientific Name: Steatoda nobilis

Order & Family: Araneae: Theridiidae

Size: Females range from 9.5 to 14 mm; males are slightly smaller at 7 to 11 mm.

Noble False Widow

Natural Habitat

Commonly found in and around urban buildings, gardens, and garages, especially in temperate regions.

Diet & Feeding

Carnivorous, primarily feeding on insects and occasionally other spiders trapped in its scaffold web.

Behavior Patterns

They are nocturnal hunters that wait in a retreat until prey is caught in their messy, three-dimensional webs. They are highly adaptable and often outcompete native species.

Risks & Benefits

A beneficial predator of garden pests. While its bite can be painful and potentially cause localized swelling or symptoms similar to a bee sting, it is generally not life-threatening to humans.

Identified on: 5/20/2026