<em>Polybia raui</em> (IMAGE) Drexel University Caption Polybia raui wasps on their hive. Credit Photo by Sean O'Donnell. Usage Restrictions Credit as specified. 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.