Noble False Widow
Scientific Name: Steatoda nobilis
Order & Family: Araneae: Theridiidae
Size: Females reach 9.5-14 mm in body length; males are smaller at 7-11 mm.

Natural Habitat
Urban areas, inside buildings, gardens, and on external walls; typically found in temperate climates.
Diet & Feeding
Insects and other spiders caught in their messy, scaffold-like cobwebs.
Behavior Patterns
Primarily nocturnal; they build silk retreats in cracks or corners. They are relatively sedentary and non-aggressive, often dropping to the ground when disturbed.
Risks & Benefits
Benefits the ecosystem by controlling pest populations. Their bite is painful (similar to a wasp sting) and may cause localized swelling, but it is not considered medically significant for most humans.
Identified on: 4/11/2026