A confirmed sighting of a brown widow spider itself. Look for the telltale orange hourglass shape and an overall color scheme of blacks, browns and tans. Residents of southern California (or other ...

Nan Songer, a spider expert living in California, played an integral part in the Allies ... Songer began experimenting with black widows (genus Latrodectus), which produce a silk dragline composed of ...

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.

Tesco is using black widow spiders to kill insects on grapes as ... have been introduced to the Tesco vineyards in California because they keep down insect populations. The company says its ...

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 ...