Photo 1 (IMAGE) National University of Singapore Caption A mating pair of wild-type (left) and mir-193 mutant (right) B. anynana butterflies. Credit Shen Tian Usage Restrictions NA 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.