Affiliation: | 1.Biological Control of Insects Research Laboratory, USDA, Agricultural Research Service,Columbia,USA;2.Plant Protection Institute, Hebei Academy of Agricultural and Forestry Sciences/IPM Center of Hebei Province/Key Laboratory of Integrated Pest Management on Crops in Northern Region of North China, Ministry of Agriculture,Baoding,China;3.Division of Plant Sciences,University of Missouri,Columbia,USA |