41. Black Widow Spider - Wikipedia, The Free Encyclopedia The black widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom. It is a large widow spider found throughout the world and commonly http://en.wikipedia.org/wiki/Black_widow_spider

Black widow spider From Wikipedia, the free encyclopedia Jump to: navigation search Black widow Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Arachnida Order: Araneae Family: Theridiidae Genus: Latrodectus Species L. mactans Fabricius L. hesperus Chamberlin Ivie L. variolus Walckenaer, 1837 The black widow spider Latrodectus spp. ) is a spider notorious for its neurotoxic venom . It is a large widow spider found throughout the world and commonly associated with urban habitats or agricultural areas. Although the name 'black widow spider' is most commonly used to refer to the three North American species best known for their dark coloration, black hair and red hourglass pattern, occasionally it is applied to several other members of the Latrodectus (widow spider) genus in which there are 31 recognized species including the Australian redback brown widow spider (sometimes called the grey widow), and the red widow spider . In South Africa, widow spiders are also known as the button spiders Currently, there are three recognized species of black widow found in North America: The southern black widow L. mactans

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