Hypothesized Feedback Loop (IMAGE) Cary Institute of Ecosystem Studies Caption Hypothesized direct and indirect effects of picaridin on aquatic predators of mosquito larvae indicating a human-environment positive feedback loop. Credit Leslie Tumblety Usage Restrictions To promote this 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.