Wing Sizes of 2 Jewel (Nasonia) Wasps (image) University of Rochester Caption Two Nasonia wasps, N. giraulti (left) and N. vitripennis (right), have significantly different wing sizes. Credit Mike Osadciw/University of Rochester. Usage Restrictions Provide appropriate credit. 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.