1. 1Crop Protection and Management Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Tifton, Georgia 31793
2. 2Department of Entomology, University of Georgia Coastal Plain Experiment Station, Tifton, Georgia 31793
3. 3Crop Genetics and Breeding Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Tifton, Georgia 31793, USA