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 ...

The female of the Black Widow spider is known to sometimes eat the male after mating, hence the nickname "black widow". The venom of these spiders contains the neurotoxin latrotoxin and can be ...

Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around the world.

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 ...

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 ...