Add Yahoo as a preferred source to see more of our stories on Google. Brown widow spiders (Latrodectus geometricus) have caused population declines among several black widow species in the U.S. Brown ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. It can be pretty tough to be a bug, especially for spiders that ...

Add Yahoo as a preferred source to see more of our stories on Google. Of the over 46,000 known spider species, only about 200 have venom potent enough to be of medical concern. This is assuming, of ...

ST. PETERSBURG, Fla. — The U.S. National Weather Service in the Tampa Bay area spotted what seemed like a black widow, only for it to turn out to be a brown widow. How were they able to tell the ...

Black widow spiders can stir primordial fear — they lurk in dark corners and their venom can cause excruciating pain, and in extremely rare occasions, death. But they seem to be no match for their ...

Black widow spiders are being killed off in the U.S. The culprits are actually their cousins: brown widow spiders. Though the reason behind the killings is unknown, a new study suggests. Brown widow ...

Black widow spiders across the southern United States are getting eaten up by brown widows, their lesser-known cousins, according to new research investigating the relationship between the two ...

In parts of the southern US, black widows are being supplanted by their more aggressive arachnid relatives: brown widows. However, residents of the region can take some comfort in knowing that brown ...

Lower parasitism and predation in urban habitats may contribute to the invasion success of brown widow spiders, according to new research. Lower parasitism and predation in urban habitats may ...

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, ...

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 of ...