The attachment was a scientific paper titled “The Indestructible Insect: Velvet Ants from ... wings. An eastern variety, called a cow killer, looks like an enormous, bright red ant.

The species in question is Traumatomutilla bifurca, a type of velvet ant – which is, somewhat confusingly, actually a species of wasp. Some of these wasps don't have any wings, but they do have ...