The false widow spiders (Steatoda spp.) form a group of species that, because of their general resemblance to the much more notorious black widow spiders (Latrodectus spp.), can cause concern when ...

Black widow spiders, or Latrodectus mactans, are a type of venomous spider species known for their shiny black torsos and the ...

Several species answer to the name, and they are found in temperate regions around the world. This spider's bite is much feared because its venom is reported to be 15 times stronger than a ...

Different species of black widows can be found on nearly every continent. But it seldom bites unless threatened or protecting its eggs.