Experts say the population of the venomous black widow spiders is highest this summer as it mates and lays its eggs. ... you should call Poison Control at 800-222-1222. This story was originally ...

How to Identify a Black Widow Spider. There's probably a specific image that comes to mind when you picture a black widow spider: A large, shiny, black spider with a red hourglass on its belly.

Of these, 45 showed in-vitro neutralization of the black widow spider’s alpha-latrotoxin neurotoxin. According to the study, one antibody called MRU44-4-A1, showed particularly high neutralization.

In inventing his serum, Professor D’Amour mildly poisoned rats with small doses of black widow venom. Eventually the rats became immune to the venom.

STAUNTON — A Staunton resident took to the app NextDoor after not believing she was seeing a black widow spider near and in her apartment. In fact it was, and it's not that abnormal. Black widow ...

Black widow spiders, or Latrodectus mactans, are a type of venomous spider species known for their shiny black torsos and the red hourglass-shaped marks on their abdomens. Each year, more than ...

To figure out why, Mr. Coticchio and his colleagues looked at the mathematical population modeling of the two widow species, which showed that both black and brown widows were more likely to get ...