Male black widow spiders destroy large sections of the female's web during courtship and wrap it up in their own silk. New research shows that this home-wrecking behavior deters rival males, by ...

The lifespan of male and female black widow spiders is another point of contrast. Females typically live between 10 to 18 months, whereas males only live for 3 to 5 months.

The male black widow spider is smaller than its female counterpart and may be black, brown or tan with banded legs. They may ...

This variation in coloring means that black widow spiders can be tricky to spot if they aren’t black and red females. 2. Only female spiders bite … usually. While both male and female black ...

The female will often kill the male — a common practice among widow spiders, and how they got their name. Male brown widow spiders live for six months to a year.

A male brown widow spider mates with a much-larger female. ( Sean McCann ) It’s hard to imagine, at first glance, why any widow male would deign to mate with an adult female.

The bites of female widow spiders tend to pose more of a risk to humans than those of males. The 8-year-old boy in Bolivia found the black widow spider under a stone.

A female false black widow spider is pictured spinning a web. Researchers have found that black widows are able to manipulate their webs to make them appear more sexually attractive to male ...

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 ...

But that doesn't mean women never kill. One kind of female murderer has become so infamous its even sparked its own nickname: Black Widow. As seen in the new Oxygen series "Black Widow Murders," ...

The female black widow’s fangs are long enough to penetrate animal and human skin. In addition, cats often toy with and then eat these spiders. So, cats are harmed through bites and by ingesting ...

Male Black Widow Spider: Female Black Widow Spider: Size: 0.5-1 inch: 1.5-2 inches: Appearance: Brown or grey, red spots on ...