1. College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, P. R. China
2. Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, P. R. China
3. Hunan Tobacco Science Institute, Changsha 410004, P. R. China
4. Jiangxi Institute of Tobacco Leaf Science, Nanchang 330025, P. R. China