Daniel Schlaeppi, University of Bern (IMAGE) University of Bern Caption Doctoral researcher at the Institute of Bee Health, University of Bern Credit © Courtesy of Daniel Schlaeppi Usage Restrictions None 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.