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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.
Females of a few species are paler brown and some have no bright markings. The bodies of black widow spiders range from 3–10 mm (0.12–0.39 in) in size; some females can measure 13 mm (0.51 in) in their body length (not including legs). [8] Including legs, female adult black widows generally measure 25–38 mm (1–1.5 in). [9] [10]
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 western black widow, Latrodectus hesperus, lives in the USA west of Kansas, plus in southwestern Canada and western Mexico,” he explains. This female black widow has a solid red hourglass ...
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The syndromes caused by bites from any spiders of the genus Latrodectus have similarities; [102] there is some evidence there is a higher incidence of sweating, and local and radiating pain with the redback, while black widow envenomation results in more back and abdominal pain, [88] and abdominal rigidity is a feature common with bites from ...
Black widow spider, young female, Europe, Croatia, photo by K. Korlevic: Date: 18 September 2005 (original upload date) Source: No machine-readable source provided. Own work assumed (based on copyright claims). Author: No machine-readable author provided. Kork~commonswiki assumed (based on copyright claims).
In “Black Widow,” Ray Winstone plays General Dreykov, a high-ranking Soviet agent who ran the infamous Red Room program, which molded the movie’s title character into an assassin.