Biting Midges from the Obsoletus Group (IMAGE) UK Centre for Ecology & Hydrology Caption These are biting midges from the Obsoletus group. Credit Stefanie Schafer Usage Restrictions None 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.