Latrodectus mactans

spider

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black widows

  • Black widow spider
    In black widow: Major species

    The southern black widow (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. Sometimes two small triangles, instead of a complete hourglass, are present.…

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