Doctors Explain Why A Vespid Wasp Sting Is So Painful bejo 6909 Share Doctors Explain Why A Vespid Wasp Sting Is So Painful Wasp Sting: Symptoms, Causes, Diagnosis, Treatment and More Tarantula hawks the most painful wasp sting in the world explained ... Read also: Sports Fans Discuss 120m To Yards For The Upcoming Olympics