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InsectIdentification > Insect Description
 

Southern Black Widow

 

Other Name(s): Black Widow

Characteristics: Female Black Widows are well-known and particularly feared for their venomous bites. They are shiney in look and feature a red hour-glass shape on their abdomen (sometimes appearing as two red marks). The male is smaller than the female and is brown in color with white markings on the sides of the abdomen and longer legs than the female. The female will eventually immobilize and kill her mate. Baby Black Widow spiders will appear orange-to-brown in color.

Though they bite, Black Widows generally tend to avoid human contact altogether preferring the saftey of their webs instead. As with the Brown Recluse spider, should you even suspect a bite from a Black Widow Spider, seek medical attention as soon as possible. Black Widow venom is EXTREMELY poisonous to humans. Male Black Widow Spiders do not produce this venomous bite.


General Adult Size (Length):
3mm to 10mm (0.12in to 0.39in)

Identifying Colors: white, red, black, orange, brown

North American reach includes (may not be limited to): Massachusetts, Connecticut, Rhode Island, New York, New Jersey, Delaware, Pennsylvania, Maryland, West Virginia, Virginia, North Carolina, South Carolina, Georgia, Florida, California, Texas, Oklahoma, Kansas, New Mexico, Arizona, Utah, Washington, Nevada

Category: Spider
Common Name: Southern Black Widow
Scientific Name: (Latrodectus mactans)

Kingdom: Animalia
  Phylum
: Arthropoda
   Class:
Arachnida
    Order
: Araneae
     Family: Theridiidae
      Genus: Latrodectus
       Species: mactans


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Picture of Southern Black Widow
Courtesy of www.doh.wa.gov

     

 

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