
Community identification
Common House Spider / Parasteatoda tepidariorum
Parasteatoda tepidariorum
- Order & Family
- Order: Araneae; Family: Theridiidae (Cobweb Spiders)
- Size
- Females 5-8 mm; males 3.8-4.7 mm
Natural Habitat
Commonly found in and around human dwellings, basements, sheds, and under eaves.
Diet & Feeding
Insects and other small invertebrates caught in their messy, tangled webs.
Behavior Patterns
Known for building irregular cobwebs in corners. They are generally shy, sedentary hunters that wait for prey to become entangled.
Risks & Benefits
Beneficial to ecosystems and homeowners by controlling pest insect populations; not medically significant to humans, though bites may cause minor localized irritation.