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Species Parasteatoda tepidariorum - Common House Spider

Cobweb spider? - Parasteatoda tepidariorum orb weaver - Parasteatoda tepidariorum spider - Parasteatoda tepidariorum House Spider and Egg Sac - Parasteatoda tepidariorum Spider vs spider - Parasteatoda tepidariorum Spider and its egg case? - Parasteatoda tepidariorum Parasteatoda tepidariorum - male Common House Spider with caterpillar prey - Parasteatoda tepidariorum - female
Classification
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.
Identification

The egg sacs (above) are completely diagnostic of tepidariorum.
Range
Found throughout the world but is less common in the center of the continent.(1)
Season
Adults are year round in the South. Adults may live more than a year. (1)
Remarks
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 .