Theridiidae Latrodectus
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Black Widow Spiders - Photographs and information on the natural history of Latrodectus mactans and Latrodectus variolus.
Lactrodectus mactans: Black Widow Spider - Photographs of this spider and information on its habitat, life cycle, description and bite.
Latrodectus: Button Spiders, Widow Spiders - Photographs and information on South African species in this genus.
Latrodectus mactans - An article about the black widow spider from Animal Diversity Web.
Latrodectus mactans: Black Widow Spider - Information and several photographs of this spider, so named because the female usually eats the male after mating.
Widow Spider - Information from Wikipedia on these spiders in the genus Latrodectus, renowned for their venom. Help build the largest human-edited directory on the web.