Mayflies (IMAGE) Colorado State University Caption The Colorado State University team analyzed thousands of mayflies to compare species diversity between the Colorado Rockies and the Ecuadorean Andes. Credit Brian Gill/Colorado State University 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.