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Black Female Widow Spider Spider's Latin Latrodectus Hesperus/Mactans/Variolus

Front What is the black widow spider?
Back This spider's latin name is Latrodectus hesperus/mactans/variolus (depending on region), and the female measures approx. 2" long. It is usually black and has a distinctive, bright red-orange marking in the shape of an hourglass on its abdomen. The female is larger and more toxic than the male. They are found in every state except Alaska.

Tags: 30, emergencies, environmental

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