 Mike Phillips, WDEL Delaware's News Radio. Well, you may want to get familiar with the box tree moth. A box tree moth has been spotted in Kent County. That's according to the U.S. Department of Agriculture Animal and Plant Health Inspection Service. A box tree moth is a federally regulated pest, primarily feeding on boxwood species. If left unchecked, it can cause significant damage and could potentially kill the plants to which it would attach.