Marsh Fritillary (IMAGE) UK Centre for Ecology & Hydrology Caption Marsh fritillary (Euphydryas aurinia) is a threatened species across Europe due to loss of habitat Credit Martin Warren Usage Restrictions Credit to Martin Warren 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.