1. Laboratory
of Molecular Toxicology, State Key Laboratory of Integrated Management
of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, 1-5 Beichenxi Road, Beijing 100101, P. R. China
2. University of Chinese Academy of Sciences, Beijing 100049, P. R. China
3. Department
of Veterinary Medicine and Animal Science, Beijing University of Agriculture, Beijing 102206, P. R. China