Silver Y Moth (IMAGE) University of Exeter Caption The silver Y moth (Autographa gamma) is a major component of the large night-flying insect migrants studied by radar in the new study. Credit Ian Woiwod Usage Restrictions This image may only be used with reports of this research 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.