The Biting Midge is Encased in Amber (IMAGE) University of Bonn Caption The "pockets," which presumably served as pheromone evaporators, can be seen as dark dots on the wings. Credit © Foto: Frauke Stebner/Steinmann Institut, Uni Bonn Usage Restrictions This photo may be used with the press release. 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.