1. Department of Entomology, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China
2. Analytic and Testing Center, Beijing Normal University, Haidian District, Beijing 100875, China
3. Department of Plant Pathology, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China