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For the United States & Canada
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Species Parasteatoda tepidariorum - Common House Spider

Ma Spider - Parasteatoda tepidariorum - female spider eating Monochamus - Parasteatoda tepidariorum Beautiful patterns - Parasteatoda tepidariorum house spider - Parasteatoda tepidariorum Spider - Parasteatoda tepidariorum - female Unidentified spider #1 - Parasteatoda tepidariorum Achaearanea tepidariorum?  - Parasteatoda tepidariorum Spider suspended in front of white - Parasteatoda tepidariorum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Theridiidae (Cobweb Spiders)
Genus Parasteatoda
Species tepidariorum (Common House Spider)
Synonyms and other taxonomic changes
Formerly placed in Achaearanea.

The egg sacs (above) are completely diagnostic of tepidariorum.
Found throughout the world but is less common in the center of the continent.(1)
Adults are year round in the South. Adults may live more than a year. (1)
The egg cases are tan and teardrop shaped. Some females have be found with up to 4 egg cases. Once emerged, the young remain in a tight cluster for some time before dispersal. (1)
Works Cited
1.Common Spiders of North America
Richard A. Bradley . 2012. University of California Press .