Bug Identifier
Common House Spider
Community identification

Common House Spider

Parasteatoda tepidariorum

Order & Family
Araneae: Theridiidae
Size
Females: 5 to 6 mm; Males: 3.8 to 4.7 mm
See this bug in the Encyclopedia

Natural Habitat

Found globally in or near man-made structures, including houses, sheds, and garages, often in corners, under furniture, or near window frames.

Diet & Feeding

Carnivorous; feeds primarily on insects like flies, mosquitoes, ants, and other small spiders caught in its web.

Behavior Patterns

Builds irregular, tangled cobwebs. They are generally solitary and can live for more than a year; females produce multiple pear-shaped, tan egg sacs during their lifespan.

Risks & Benefits

Benefits humans by providing natural pest control for indoor insects. They are non-aggressive and their venom is not considered medically significant to humans, though a bite may cause localized redness or swelling.