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Last updated on April 17, 2014 at 9:10 EDT

Latrodectus mactans Reference Libraries

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Black Widow
2009-06-17 13:56:13

The Black Widow (Latrodectus mactans), typically known as the Southern Black Widow, is a species of arachnid that is native to the United States of America. There are two closely related species to the Southern Black Widow; the Western Black Widow (Latrodectus hesperus), and the Northern Black Widow (Latrodectus variolus). These three species are often confused with the genus Steatoda (false...

Brown Widow
2009-06-17 13:25:51

The Brown Widow (Latrodectus geometricus), also known as the Brown Button Spider, Geometric Button Spider, or Gray Widow, is a species of arachnid that is related to the famous Black Widow Spider. The Brown Widow is found in the northern and southern United States. States include Florida, Alabama, California, Louisiana, Mississippi, Georgia, South Carolina, Tennessee, and Texas. It is also...