<i>Glanville fritillary</i> (IMAGE) University of Helsinki Caption Museum samples of now extinct Glanville fritillary populations reveal that in an extremely fragmented environment even the fast evolution is not enough to save populations from extinction. Credit Niclas Fritzén Usage Restrictions The image may only be used with appropriate credit. 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.