A single live adult Drosophila (IMAGE) University of Southern California Caption A single live adult Drosophila expressing the mito-QC mitophagy reporter. A greater red-to-green ratio indicates greater mitophagy. Credit John Tower/USC Dornsife College of Letters, Arts and Sciences Usage Restrictions None. 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.