Enclosures (IMAGE) Penn State Caption To determine the long-term effects of spotted lanternfly (SLF) feeding on hardwood trees, the team built large enclosures containing multiple species of tree, including the insect’s favorite food, the non-native tree-of-heaven (Ailanthus altissima), as well as native trees. Credit Kelli Hoover, Penn State Usage Restrictions Educational use only License Original 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.