Guam Native Cycad Leaf Litter (IMAGE) University of Guam Caption Premature leaf litter with altered chemistry is deposited beneath Guam's Cycas micronesica trees following damage by non-native insect herbivores. Credit Thomas Marler 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.