If a wasp succeeds, she leads away an unprotesting roach like a dog on a leash just ... and delivers a sting that paralyzes the roach’s front legs. Then the wasp bends its body around to deliver ...

Armed with one of the most painful stings ... insect mostly unchallenged, with no known predators. Some species have wings in an intense shade of bright orange, a typical danger sign to would-be ...