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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. [3] [4] [5] [6] However, the diversity of species is much greater.
Image Source. The Black Widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom (a toxin that acts specifically on nerve cells). The Black Widow Spider is a large widow spider found throughout the world and commonly associated with urban habitats or agricultural areas.
5 days ago · Black widow, any of about 30 species of black spiders distinguished by an hourglass-shaped marking on the abdomen. Black widows are found throughout much of the world. Although their venomous bite often produces muscle pain, nausea, and mild paralysis of the diaphragm, it is rarely fatal.
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.
Most black widow spiders are 3 to 10 mm long, with females being larger than males. Black widow spiders have eight legs and eight simple eyes, including two lateral pairs that almost touch. Young black widow spiders are primarily orange and white but acquire more black color as they mature.
Black Widow Spiders. Scientific Name: Latrodectus. Type: Invertebrates. Diet: Carnivore. Average Life Span In The Wild: 1 to 3 years. Size: 1.5 inches long; diameter of 0.25 inches. Weight:...
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.
