Black Widow Spider

Black Widow Spider

Black widow spider

Source: U.S. National Park Service. Available online: http://www.nps.gov

Black widow spiders (Latrodectus mactans) are found throughout the United States. Female black widows are long-legged, shiny, coal-black spiders with an orange, red, or yellow hourglass shape on their underside. Female black widows are usually about 1.5 in. (3.8 cm) across but may be smaller.

ByHealthwise StaffPrimary Medical Reviewer William H. Blahd, Jr., MD, FACEP - Emergency Medicine Adam Husney, MD - Family Medicine Kathleen Romito, MD - Family Medicine H. Michael O'Connor, MD, MMEd, FRCPC - Emergency Medicine

Current as ofMarch 26, 2018

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