1. Department of Entomology and MOA Key Laboratory for Monitory and Green Control of Crop Pest, China Agricultural University, No. 2, Yuanmingyuan West Road, Haidian District, Beijing 100193, P.R. China
2. State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, No. 15, North Third Ring Road East, Chaoyang District, Beijing 100029, P. R. China