Southern Black Widow [Latrodectus mactans]

   This very large Southern Black Widow spider (about 15 mm. in overall length), along with several others of like size, was found beneath a piece of lumber adjacent to a potato field along Pacetti Road in far western St. Johns County, Florida on 12/3/2009. The site was revisited some three weeks later and the colony was still present.

Southern Black Widow [Latrodectus mactans]

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