Frassomics (IMAGE) Max Planck Institute for Chemical Ecology Caption Frassomics: Jiancai Li collects frass a Manduca sexta larva left on a tobacco plant for detailed analysis. Credit Anna Schroll 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.