斜纹夜蛾犤Spodopteralitura(Fabricius)犦分布极广,寄主广泛,可为害豆类、茄果类、十字花科蔬菜及玉米等多种农作物。随着农业种植结构的调整,尤其是蔬菜面积的逐步扩大,该虫为害逐年加重,暴发频率增高。为进一步明确斜纹夜蛾幼虫在大豆上的分布规律,提高测报和防治水平,我们 Spodopteralitura (Fabricius) 犦 widely distributed, the host of a wide range of harmful beans, soya, cruciferous vegetables and corn and other crops. With the adjustment of agricultural planting structure, especially the gradual expansion of vegetable area, the pest infestation increased year by year, the outbreak frequency increased. In order to further clarify the distribution of S. litura larvae on soybean and to improve the level of measurement and control, we