Parasitic Fly (image) University of Helsinki Share Print E-Mail Caption Parasitic flies are some of the most abundant predators of the Arctic. Here an adult fly of Peleteria aenea is having a rest from hunting on the underside of an Avens flower. Photo: Tuomas Kankaanpää. Credit Tuomas Kankaanpää Usage Restrictions None Share Print E-Mail 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.