Among the insecticides tested, 25 % thiamethoxam wdg and 5 % fipronnil sc gave best results in terms of maximum mortality of this pest in cotton and soybean crops . conclusion piemarker as a trap plant in cotton and soybean field can play an important role in the integrated management of b . tabaci 基于播種期、種植方式和配套合理的藥劑防治的苘麻誘集方法對生態(tài)調(diào)控棉田和大豆田中的煙粉虱發(fā)揮了積極的作用。