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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.
Like other members of the Theridiidae, widow spiders construct a web of irregular, tangled, sticky silken fibres. Black widow spiders prefer to nest near the ground in dark and undisturbed areas, usually in small holes produced by animals, or around construction openings or woodpiles.
May 21, 2024 · 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.
Feb 13, 2024 · Black widow spiders, known scientifically as Latrodectus, are instantly recognizable by their glossy black bodies and the iconic red hourglass marking on their abdomens (at least the females are). And they are big fans of warm climates.
Dec 7, 2021 · Black widow spiders are several species of arachnids in the genus Latrodectus that are known for the females' unique and striking appearance as well as their rumored tendency to eat their...
Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their abdomens. Several species answer to the name, and they are found in temperate regions around...
Sep 3, 2020 · 1. Widow Spiders Are More than Just Black. A brown widow spider, Latrodectus geometricus, climbs in its web. Joao Paulo Burini / Getty Images. Belonging to the genus Latrodectus, widow spiders...
Aug 30, 2018 · The black widow spider ( Latrodectus mactans) is probably the most feared spider in North America. Its venomous bite is excruciating, and the spider gets its name because females sometimes eat their mates. Yet, this spider doesn't deserve its bad reputation. Here are the facts you need to know.
