Black Widow Spider

Black Widow Spider

Black Widow Spider


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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.

Current as of: February 26, 2020

Author: Healthwise Staff

Medical Review:

William H. Blahd Jr. MD, FACEP - Emergency Medicine

Adam Husney MD - Family Medicine

Kathleen Romito MD - Family Medicine

H. Michael O'Connor MD - Emergency Medicine