Black Widow

Female black widow spider in web

Physical Characteristics of Black Widows in Phoenix

  • 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

Phoenix 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

Food Sources inPhoenix

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


Life Cycle

  • Females in Phoenix lay hundreds of eggs at a time, of which, a small number actually survive
  • A Black Widow can live up to 3 years

Related Black Widow Information and Warnings

  • A Phoenix 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 venom and should seek medical attention immediately following a bite

If you notice a Black Widow or have feel as though you have an infestation in your Phoenix property please feel free to call Bug Guardian at (480)345-2847.