1. State Key Laboratory of Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
2. Plant Protection Institute, Hebei Academy of Agricultural and Forestry, Baoding, 071030, China
3. U.S. Department of Agriculture-Agricultural Research Service, Corn Insects and Crop Genetics Research Unit, Ames, IA 50011, U.S.A.