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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.
Latrodectus is a broadly distributed genus of spiders with several species that are commonly known as the true widows.This group is composed of those often loosely called black widow spiders, brown widow spiders, and similar spiders.
Latrodectus tredecimguttatus, also known as the Mediterranean black widow [2] or the European black widow, [3] is a species in the genus Latrodectus of the widow spiders. It is commonly found throughout the Mediterranean region , ranging from southern Iberia to southwest and central Asia, hence the name.
Where Black Widows Are Commonly Found. Black widows are commonly found in secluded dark and damp places, according to Agina Graham-Tye, owner of Dallas-based pest control company Graham's Lawn & Pest.
The black widow’s venom attacks human nerve cells, and potentially can be dangerous to people — especially small children and older adults with preexisting health conditions.
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.
The redback spider (Latrodectus hasselti), also known as the Australian black widow, [2] [3] [4] is a species of highly venomous spider believed to originate in Australia but now, Southeast Asia and New Zealand, it has also been found in packing crates in the United States with colonies elsewhere outside Australia. [5]
Latrodectus mirabilis, sometimes (but rarely) known as black widow is a spider species that is native to most of South America in the genus Latrodectus of the family Theridiidae. Description [ edit ]