Cultivation of Drosophila Flies (IMAGE) Max Planck Institute for Chemical Ecology Caption A comparison of 62 different genera of Drosophila flies revealed that vinegar flies have either developed a more sensitive odor perception at the cost of poor vision or vice versa. Credit Anna Schroll 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.