Dr. Gard Otis professor emeritus (IMAGE) University of Guelph Caption Dr. Gard Otis, professor emeritus in the University of Guelph's School of Environmental Sciences, helped discover how complex signals produced by Asian hive bees can be. Credit University of Guelph Usage Restrictions Credit must be given to the creator. License CC BY 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.