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.

Even if you know nothing about this spider, a few key details probably come to mind: a visible red hourglass mark and a ...

Although they resemble black widow spiders, they are not as harmful ... An additional species, Steatoda paykulliana, is an occasional import in fruit shipments. Abdomen markings: All species have ...

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 ...