Bug Identifier
False widow spider
Community identification

False widow spider

Steatoda sp. (likely Steatoda grossa)

Order & Family
Araneae; Theridiidae
Size
Body about 4–10 mm; leg span commonly 20–30 mm.
See this bug in the Encyclopedia

Natural Habitat

Sheltered corners of buildings, sheds, and other structures, where it builds a messy cobweb.

Diet & Feeding

Catches flies, small insects, and other spiders in its web.

Behavior Patterns

A shy, mostly nocturnal cobweb spider that hangs upside down in its web; females may live for several years.

Risks & Benefits

Bites are uncommon and usually cause mild, temporary pain or swelling. It helps control household insect pests.