Steven A. Katovich, forest entomologist
U.S. Department of Agriculture, Forest Service
Northeastern Area, State & Private Forestry
Forest Health Protection
St. Paul, MN

Deborah G. McCullough, assistant professor
Departments of Entomology and Forestry
Michigan State University
East Lansing, MI

and

Robert A. Haack, research entomologist
U.S. Department of Agriculture, Forest Service
North Central Forest Experiment Station
East Lansing, MI