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BLACK WIDOW SPIDERS (Latrodectus)

Biology

  • Length of females is about ½ inch and the males are ¼ inch long.
  • Females are black.
  • Red hourglass shaped marks are seen on the underside of the abdomen of the females.

Distribution/Habits

  • Found throughout the world in temperate and tropical areas
  • Outdoors and indoors; secluded protected sites under or inside logs, under dense shrubbery, under boards, in firewood piles, under furniture, behind and under any debris.
  • Favorite places include barns, sheds, meter boxes, woodpiles, etc.
  • If bitten, immediately call a physician or go to a hospital emergency room.