Noble False Widow

Scientific Name: Steatoda nobilis

Order & Family: Araneae: Theridiidae

Size: Body length of 7–14 mm (females) and 7–11 mm (males)

Noble False Widow

Natural Habitat

Commonly found in and around human dwellings, outbuildings, and garden walls in temperate climates.

Diet & Feeding

Carnivorous; feeds primarily on flying insects and other spiders caught in its messy cobwebs.

Behavior Patterns

Nocutrnal hunters that build scaffold-type cobwebs; they are generally sedentary and prefer dark, secluded corners.

Risks & Benefits

Benefits the ecosystem by controlling pest populations; while their bite can be painful and cause localized swelling or 'steatodism,' they are generally not considered medically significant to healthy humans.

Identified on: 4/30/2026