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BLACK WIDOW SPIDERS

Physical Characteristics of Black Widows in Las Vegas

  • Females are black with red spots or a red hourglass shape on the abdomen
  • Males, measuring half the size of females, appear brown or gray with a yellow or white marking
  • Vision is poor and the spider relies on vibrations from their web to navigate


Las Vegas Black Widow Behavior

  • Spins a network of tangled silk to capture prey and lay eggs
  • Females kill their male counterparts after mating
  • Poisonous, yet not aggressive

 

Black Widow Food Sources in Las Vegas

  • Insects, woodlice and sometimes other spiders
  • Females will eat their young as they are developing

 


Black Widow Life Cycle

  • Females in Las Vegas lay hundreds of eggs at a time, of which, a small number actually survive
  • Black widows live up to 3 years

 

Related Black Widow Information and Warnings

  • A Las Vegas black widow’s venom can be up to 15x stronger than a rattlesnake. However, only a small number of fatalities are reported from their bites
  • Young children, the elderly and small animals are more susceptible to black widow venom and should seek medical attention immediately following a bite

Call Fischer’s Pest Control today at (702) 348-9278 if you find black widows on your property.  Our pest control professionals will quickly exterminate your black widow infestation.