
Community identification
Noble False Widow Spider
Steatoda nobilis
- Order & Family
- Araneae, Theridiidae
- Size
- 7 to 14 mm body length for females, males slightly smaller
Natural Habitat
Dark, sheltered areas such as corners of ceilings, sheds, garages, under rocks, and around window frames
Diet & Feeding
Carnivorous; feeds on flying and crawling insects, woodlice, and occasionally other spiders using sticky cobwebs
Behavior Patterns
Nocturnal web-builder that constructs irregular tangle webs (cobwebs); reclusive and stays hidden in retreats during the day
Risks & Benefits
Benefits the ecosystem by controlling household pest insects. While timid, its bite can cause localized pain, swelling, and mild systemic symptoms similar to a wasp sting, though severe medical complications are rare.