Comparing fruit fly features (IMAGE) University of California - San Diego Caption Electron microscopy images contrast the smooth and spongy features of the common Drosophila melanogaster fruit fly (left) and the grill-like features of its rarer cousin, the Hawaiian Drosophila mimica. Credit Bier Lab, UC San Diego Usage Restrictions Must be used in conjunction with Science Advances paper on fruit fly Hox genes. 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.