Latrodectus mactans, the Southern black widow is a close relative of the Northern black widow and the Western black widow. The female of all three species is mostly black with a distinctive red hourglass pattern on the underside of its abdomen. They can inject a potent venom with their bite with potential severe medical effects. […]

Latrodectus Mactans – Southern Black Widow
By usaspidersPosted on Posted in Theridiidae - Cobweb Spiders, Widow SpidersTagged Alabama, Arkansas, Delaware, Florida, Georgia, Hairy:No, Illinois, Kentucky, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Louisiana, Maryland, Medium, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Oklahoma, P:Black, S:Red, S:White, South Carolina, Spinnerets:No, Tennessee, Texas, Venomous, Virginia, West Virginia7 Comments on Latrodectus Mactans – Southern Black Widow