ObjectiveTo investigate the resistance of Blattella germanica to commonly used insecticides,and to provideguidance in B. germanica control.MethodsThe B. germanica was collected in Wuhan, Xianning, Huangshi, Jingzhou,Yichang, Jingmen, Xiangyang, Shiyan, Ezhou, and Xiantao cities of Hubei province. Collections were maintained ininsectary for further processing. The B. germanica used in this study were the first filial generation(F1). The insecticidefilm method recommended by the World Health Organization was ...