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Archive for February 10th, 2017


Is The Red “Hourglass” Mark On Black Widows Meant To Frighten Predators?

February 10th, 2017

Black Widows are well known around the world. These spiders are especially known in the Americas for having a highly venomous bite, they are generally intimidating to other arthropods, and the females often kill their male counterparts after mating. And the red “hourglass” marking on the female’s abdomen is a sure indicator that the female…

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