Butterfly Wing (IMAGE) Penn State Caption Enlarged view of surface of butterfly wings after application of coating using CEFR. Credit Carlo Pantano/Akhlesh Lakhtakia, Penn State Usage Restrictions For non commercial use only 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.