blog posts Report spotted lanternflies in Illinois: Help slow the spread of invasive pest Sep 28, 2023 10:45 am by Emily SteeleOutreach Share on Facebook Tweet Email Images Spotted lanternfly is a leafhopper native to eastern Asia that damages a wide range of fruit, ornamental, and woody trees by feeding on the sap. Reports of sightings from the public will help researchers continue to monitor for populations. Share on Facebook Tweet Email