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Common House Spider, Cobweb Spider (Parasteatoda tepidariorum)

Order: Araneae (ah-RAY-nee-ee) (Info)
Family: Theridiidae
Genus: Parasteatoda
Species: tepidariorum


This bug has been reportedly found in the following regions:

Aliso Viejo, California
Yale, Iowa
Trenton, New Jersey
Crossville, Tennessee

Members' Notes:


On Sep 8, 2015, Chillybean from (Zone 5a) wrote:

The common name of Common House Spider suits this arachnid well. This spider is native to the United States and Canada.

I have countless of these pest control agents around my home AND one is inside my kitchen at the window. If it ends up being a female and she lays an egg, I might think about transferring her to the outside, or if too cold, then the basement.

This spider builds a messy web to catch its prey and is able to subdue insects three times larger than itself. This encouraged me to keep the spider in the kitchen when I saw it wrestling, then eating a fly.

The female will either lay her egg sacs one at a time, waiting until the young disperse to lay another, or up to four at once. As long as she lives, she stays close to these eg... read more


On Oct 28, 2007, Kevin_Lentz from Aliso Viejo, CA wrote:

The genus has been revised, the correct name is now: Parasteatoda tepidariorum