Spiders are some of the most diverse creatures on Earth. While they can be frightening, most of them are harmless and ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

The black widow spider can be found on every continent except Antarctica. Its venom is toxic and painful, leaving victims to feel the effects long after the bite. Following is a transcript of the ...

Size: About 1.5 inch Location: Mostly in Texas, California and Missouri These spiders have excellent eyesight due to the eight eyes on their head (two ... resemble the black widow spider, their ...

Most exposures to black widow spider venom are accidental, but in a rare medical case, the exposure was intentional.

Although they resemble black widow spiders, they are not as harmful ... They have a narrow white or lighter band around the front of the abdomen towards their head, with other markings that vary by ...

Chronic: Black widow spider bites usually take a few days or ... only cause significant swelling if the bite is on the head or feet. If you have swelling between the neck and ankles, it could ...

The brown widow spiders prefer to build their webs in ... and two medium-sized eyes spaced out on the top and sides of its ...

View Full Profile. Learn about our Editorial Policies. The thought of black widow spiders is enough to send chills down one’s spine. Their painful bites contain a cocktail of chemicals, primarily the ...