A Black Widow is a shiny black spider. It has an orange or red mark that looks like an hourglass. Its abdomen is shaped like a sphere and has an hourglass mark on the bottom. Often there are just two red marks separated by black. read more
Black widow spiders have a smaller range than widow spiders. There are species differences among the spiders that get called Black Widows in the USA. Latrodectus. Widow spiders in general are found in almost all places in the world that don't get terribly cold in the winter time. read more
Black widows are found in temperate regions throughout the world, including the United States, southern Europe and Asia, Australia, Africa, and much of South America. In the United States, they exist primarily in the South and West. read more