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Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, [citation needed] is a venomous species of spider in the genus Latrodectus. The females are well known for their distinctive black and red coloring and for the fact that they will occasionally eat their mates after reproduction.
The eye arrangement of spiders in the genus Latrodectus. Female widow spiders are typically dark brown or a shiny black in colour when they are full grown, usually exhibiting a red or orange hourglass on the ventral surface (underside) of the abdomen; some may have a pair of red spots or have no marking at all.
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen. This "hourglass" mark can be red, yellow, and on rare occasions, white.
How to Identify a Black Widow Spider. There's probably a specific image that comes to mind when you picture a black widow spider: A large, shiny, black spider with a red hourglass on its belly ...
Despite the estimated 2,200 Black Widow bites annually in the nation, only one known death has occurred since 1983. | Letters to the Editor Black Widow spiders are rarely deadly and have a bad rap ...
The venomous, black widow spider is currently mating and laying its eggs in states across the U.S., which means you could be seeing it more frequently under your firewood piles, inside electrical ...
Latrodectus variolus, the northern black widow spider or northern widow, is a venomous species of spider in the genus Latrodectus of the family Theridiidae. The population is closely related to the southern black widow, Latrodectus mactans , and the western black widow, Latrodectus hesperus , of the genus.
Female Steatoda grossa eating flies. Steatoda grossa, commonly known as the cupboard spider, the dark comb-footed spider, the brown house spider (in Australia), or the false widow or false black widow (though several other species are known by these names), is a common species of spider in the genus Steatoda.