Wing Patterns (image) Harvard John A. Paulson School of Engineering and Applied Sciences Share Print E-Mail Caption Dragonflies and damselflies have particularly elaborate vein patterns. The researchers compiled a dataset of wings from 232 species and 17 families of dragonflies and damselflies. Credit Harvard University Usage Restrictions with credit 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.