Robert J. Wright, rwright2@unl.edu, University of Nebraska - Lincoln, Department of Entomology, 202 Plant Industry Bldg, Lincoln, NE, Terry A. DeVries, University of Nebraska - Lincoln, South Central Ag Laboratory, P. O. Box 66, Clay Center, NE, Erin Blankenship, University of Nebraska - Lincoln, Department of Statistics, 340 Hardin Hall, Lincoln, NE, James B. Campbell, University of Nebraska - Lincoln, West Central Research & Extension Center, 461 W. University Dr, North Platte, NE, and Andrew P. Christiansen, University of Nebraska - Lincoln, Extension, P. O. Box 308, Aurora, NE.