1. Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
2. United States Department of Agriculture—Agricultural Research Service, Pasture Systems and Watershed Management Research Unit, University Park, Pennsylvania 16802, United States
3. Department of Entomology, Cornell University, Cornell AgriTech, Geneva, New York 14456, United States
4. Department of Natural Resources and the Environment, University of New Hampshire, Durham, New Hampshire 03824, United States