Robber Fly and Fruit Fly Prey (IMAGE) University of Cambridge Caption This unlucky fruit fly did not escape the keen eyes and aerial virtuosity of Holcocephala, who now sits on a stick consuming its prize. Credit Sam Fabian Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.