Wing Discs of Drosophila (image) PLOS Share Print E-Mail Caption In the wing discs of Drosophila species, the divergent activities of proneural enhancers (orange versus green nuclei) contribute to the evolution of the adult bristle patterns. Credit Image: Marcellini et al. Usage Restrictions Please cite the authors and PLoS Biology as the source. Share Print E-Mail 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.