Bug Identifier
Common house spider (likely)
Community identification

Common house spider (likely)

Parasteatoda tepidariorum

Order & Family
Araneae; Theridiidae (cobweb spiders)
Size
Adult body length is about 4–8 mm; females are generally larger than males, with legs extending the overall span.
See this bug in the Encyclopedia

Natural Habitat

Common indoors in corners, basements, garages, and around windows; also found outdoors near buildings and vegetation.

Diet & Feeding

Predatory, feeding on flies, mosquitoes, moths, and other small arthropods caught in irregular cobwebs.

Behavior Patterns

Builds tangled, three-dimensional webs and immobilizes prey with silk before biting. Females produce small silk egg sacs and may remain near developing young.

Risks & Benefits

Usually harmless to people, with medically insignificant bites being uncommon. Beneficial as a household predator of nuisance insects; the image’s low resolution makes exact identification uncertain.