Dr Ros Gloag, the University of Sydney (IMAGE) University of Sydney Caption Dr Ros Gloag from the School of Life and Environmental Sciences at the University. Dr Gloag is pitcured here with a tetragonula hive (not the Asian honeybees of the study). Credit The University of Sydney Usage Restrictions For this story only License Original 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.