Butterfly Wings Get a Color Makeover (IMAGE) Yale University Caption Yale University scientists were able to change the color of a butterfly's wings in six generations. These images illustrate the change in wing color for the species Bicyclus anynana, from brown to violet. Credit Antónia Monteiro 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.