Lanternfly in Flight (IMAGE) Penn State Caption This is a close-up of a spotted lanternfly during a massive flight dispersal in an apple orchard near Oley, Pennsylvania. Spotted lanternfly adults are generally 1 inch long with a wingspan of nearly two inches. Credit Thomas Baker, Penn State Usage Restrictions Non commercial use only 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.