Of the over 46,000 known spider species, only about 200 have venom potent enough to be of medical concern. This is assuming, of course, that an individual isn’t allergic to specific components ...

Black Widow spiders belong to a family called ‘cobweb’, ‘tangle-web’, and/or ‘combfoot’ spiders. Their webs are constructed in a seemingly unorganized, irregular pattern and serve as ...

The brown widow spider, a non-native species that first showed up in Florida from Africa in 1935, is eradicating its cousin the black widow from urban and suburban habitats in Florida and other ...

Brown widow spiders are now found throughout urban Orange County. Before 2003, however, these cousins of black widows were virtually unknown here. Their story is one of rapid adaptation to a new ...

Black widow spiders are waning in the southern US and brown widows may be the culprit – in lab tests, they were more than six times as likely to kill southern black widows than other arachnids ...

On the other hand, the brown widow spiders (Latrodectus geometricus) thrived at extremely high densities of as close as 10 centimeters from one web to the next.

The brown widow spider, a non-native species that first showed up in Florida from Africa in 1935, is eradicating its cousin the black widow from urban and suburban habitats in Florida and other ...