Fly Close-up (IMAGE) California Academy of Sciences Caption Dr. Michelle Trautwein, Assistant Curator of Dipterology at the California Academy of Sciences, added fly expertise to a first-ever evolutionary roadmap of insects. Study results suggest insects first developed wings before any other animal, over 400 million years ago. Credit ©Andrew McCormick for the California Academy of Sciences Usage Restrictions Required credit to: ©Andrew McCormick for the California Academy of Sciences 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.