<i>Dendrobaena</i> Cocoon (IMAGE) Ohio State University Caption The invasive worm Dendrobaena octaedra lays its tiny egg-like cocoons -- such as the 2-millimeter-wide cocoon shown here -- in leaf litter, where they are easily caught in the treads of car tires and carried from place to place. Credit Photo courtesy of Erin Cameron, University of Alberta 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.