Acyl thiourea and acyl urea derivatives containing trifluoromethylpyridine and application thereof

The invention discloses acyl thiourea and acyl urea derivatives containing trifluoromethylpyridine and an application thereof. A structure of the derivatives is shown in a general formula I. In the formula, definitions of R1, R2, R3, X and other groups are as shown in the description. The compound represented by the general formula I has excellent insecticidal activity, and can be used to preventand treat pests such as cotton bollworm, diamondback moth and brown planthopper, and can also be used to prevent and treat plant virus diseases such as TMV and CMV. 本发明公开了一种含三氟甲基吡啶的酰基硫脲和酰基脲类衍生物及其应用。其结构如通式I所示。式中，对R、R、R、X等基团的限定如说明书中所示。通式I所示的化合物具有优异的杀虫活性，可以用来防治可以用来防治棉铃虫、小菜蛾以及褐飞虱等害虫，也可以用来防治TMV以及CMV等植物病毒病。