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Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynes » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Brown Widow (Latrodectus geometricus)
Photo#294905
Brown widow - Latrodectus geometricus
Copyright © 2009 Nick Richter

Brown widow - Latrodectus geometricus
Lake Forest, Orange County, California, USA
June 26, 2009
Size: approx. 1.5 to 2.0cm
Black widow egg cases?

Images of this individual: tag all
Brown widow - Latrodectus geometricus Brown widow - Latrodectus geometricus - female
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Contributed by Nick Richter on 27 June, 2009 - 4:47pm
Last updated 28 June, 2009 - 10:59am

Brown widow
I didn't realize these had spread to CA, but this seems to be a brown widow

The black widows all have nice, smooth egg sacs. Brown widow egg sacs are distinctively tufted like this.
… Charley Eiseman, 27 June, 2009 - 5:04pm login or register to post comments

 
Range in Southern CA...
...since at least 2006, judging from the fantastic photos that Dr. Bryant and Dr. Vincent have posted at Arthropods of OC. Enjoy!
… Harsi S. Parker, 27 June, 2009 - 5:15pm login or register to post comments

 
Thank you!
Thank you!
… Nick Richter, 27 June, 2009 - 10:11pm login or register to post comments

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