Phylogenetic Tree (IMAGE) Osaka University Caption This is a phylogenetic tree showing the evolution of mating positions in the order Diptera. Illustrations show the mating of mosquitos (upper, end-to-end position) and flies (bottom, male-above position). Credit © Inatomi M. <i>et al.</i> (2019) <i>Scientific Reports</i> 9:210 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.