1. College of Plant Protection, Shanxi Agricultural University, Taigu, Jinzhong 030801, China
2. The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
3. Crop Improvement and Protection Research Unit, United States Department of Agriculture, Agricultural Research Service, Salinas, CA 93905, USA
4. Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
5. Department of Plant Pathology, University of California, Davis, c/o U.S. Agricultural Research Station, Salinas, CA 93905, USA