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Black Widow Spiders

Black Widow Spiders get their common name from the fact that females often eat the male after mating. Females produce a neurotoxin and bite if disturbed or handled roughly. Every year several deaths are attributed to the bite of black widow spiders as a result of anaphylactic reactions; however, in most cases, the bite is no worse than a wasp sting.

Pest Description:

  • Color: Glossy black
  • Legs: 8
  • Shape: Globe-like
  • Size: 1/2” 
  • Antennae: None
  • Region: Throughout the U.S.
  • Habits: Black widow spiders build their webs in dry, protected areas where prey is likely to travel. The underside of the female’s bulbous abdomen is clearly marked with its famous hourglass shape.
  • Habitat: Outdoors they can be found under decks, among rocks, wood piles beneath benches and in hollow stumps. They prefer barns, sheds, meter boxes, pump houses and, brick veneer.
  • Threats: Every year several deaths are attributed to the bite of black widow spiders as a result of anaphylactic reactions; however, in most cases, the bite is no worse than a wasp sting.

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