False Widow Spider (specifically the Noble False Widow)

Scientific Name: Steatoda nobilis

Order & Family: Order: Araneae; Family: Theridiidae

Size: Females range from 9.5 to 14 mm; males from 7 to 11 mm.

False Widow Spider (specifically the Noble False Widow)

Natural Habitat

Commonly found in and around human buildings, gardens, and under vegetation.

Diet & Feeding

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

Behavior Patterns

Night-active cobweb builders that construct scaffold-like webs. They are typically reclusive and avoid human contact unless cornered.

Risks & Benefits

Beneficial as they control household pests. Their bite is considered medically significant for some but usually results in localized pain similar to a bee sting, or mild swelling; they are not as dangerous as true black widows.

Identified on: 5/20/2026