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Latrodectus. 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.
Jun 23, 2024 · Latrodectus mactans is the most common species of black widow in North America. The female is shiny black and usually has a reddish to yellow hourglass design on the underside of the spherical abdomen.
- The Editors of Encyclopaedia Britannica
Learn about the black widow spider (Latrodectus spp.), a venomous spider with an hourglass marking on its abdomen. Find out its characteristics, diet, reproduction, habitat and bite effects.
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.
Aug 30, 2018 · Learn about the black widow spider, a venomous arachnid with a red hourglass mark on its abdomen. Find out how to recognize, avoid, and treat its bite, and why it's not as scary as you think.
- Anne Marie Helmenstine, Ph.D.
Learn about the black widow spiders, a group of venomous spiders with an hourglass mark on their abdomens. Find out how they hunt, mate, and defend themselves from predators and humans.
Latrodectus mactans inflicts a small wound on its prey, uses its cheliceral teeth to mash it up, pours digestive enzymes on the prey; and sucks up the resulting food. The whole digestion process takes place outside the spider’s body.
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