Nathan Havill, nathan.havill@yale.edu, Yale University, Department of Ecology & Evolutionary Biology, 21 Sachem Street, New Haven, CT, Robert Foottit, foottitrg@agr.gc.ca, Agriculture and Agri-food Canada, Neatby Building, Ottawa, ON, Canada, and Robert G. Ahern, rga@msu.edu, Michigan State University, Dept. of Entomology, 204 CIPS Bldg, East Lansing, MI.