1. Department of Entomology 7650, North Dakota State University, Fargo, ND 58108, USA
2. Sunflower and Plant Biology Research Unit, USDA-ARS-Edward T. Schafer Agricultural Research Center, Fargo, ND 58102, USA
3. Insect Genetics and Biochemistry Research Unit, USDA-ARS-Edward T. Schafer Agricultural Research Center, Fargo, ND 58102, USA