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

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' ...

so you'll want to keep an eye out for this creature. If black widow spiders are living in your home, they tend to build webs in spots that are away from normal traffic patterns and human activity.

It has a distinctive look, with a bulbous yellowish-beige abdomen and six eyes arranged in a semicircle ... such as the brown recluse or black widow. While the woodlouse spider's powerful jaws can ...

The brown widow spider (Latrodectus geometricus) is a lesser-known relative of the infamous black widow. The first brown widow spider was discovered in Los Angeles in early 2000. A member of the ...