Female brown widow spiders are relatively small at about 13 millimeters ... The brown widow spider is thought to come from either South America or Africa, but no one knows for sure.

The following day Leon took charge of the spider, which is actually quite rare in South Africa. These pictures, which were taken in 2004, now serve as an educational aid. The brown button spiders ...

Dr. Monica Mowery and colleagues at Ben-Gurion University of the Negev compared microbial communities in populations of brown widow spiders collected in South Africa (the likely native range of ...

Brown Recluse spider photographed by Kevin Wiener. The brown recluse spider, also known as “the violin spider” due to a distinctive violin-shaped marking on its cephalothorax, prefer dark ...

The invasive brown widow spider, Latrodectus geometricus, is thought to be native to South Africa, but has moved to several places around the world and made a home there, including the United States, ...