Delaware Department of Agriculture spotted lanternfly information. 
Take lots of photos and carefully note the location to report your finding via the online reporting form to the Connecticut Agricultural Experiment Station. Follow the instructions on the Connecticut Agricultural Experiment Station Spotted Lanternfly sample submission form to send a dead specimen sample or. If you think you may have found SLF in Connecticut, do not attempt to move any wood or other potentially infested material from the site. 
Spotted lanternfly populations are currently found in 14 states including: Connecticut, Delaware, Indiana, Maryland, Massachusetts, Michigan, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Virginia, and West Virginia.