“The western black widow ... If you've been knowingly bitten by a black widow spider, you can expect mild discomfort at the bite area and immediately seek medical treatment.

This spider's bite is much feared because its venom ... The animals most at risk from the black widow's bite are insects—and male black widow spiders. Females sometimes kill and eat their ...

Some spider bites can be dangerous ... to treat the bite and its effects. Black widow spiders are found primarily in the ...

Horrifying photos show how his hand, arm, leg and even foot ballooned up as the venom ran rampant through his body.