大豆食心虫是我地区大豆生产的主要害虫,造成减产、影响品质、降低等级,给大豆生产构成严重威协,所以做好防治工作是十分重要的。而防治适期的确定,主要决定田间成虫消长变化。因此,就其二者关系进行了研究探讨。1　大豆食心虫生活习性分析11　大豆食心虫以老熟幼虫越冬,次年7 Soybean Moth is the main pest of soybean production in our region, resulting in the decrease of production, the deterioration of quality and the reduction of grade, which pose a serious threat to soybean production. Therefore, it is very important to do a good job in prevention and control of soybean production. The prevention and control of the appropriate period to determine the main changes in the growth and decline of adults in the field. Therefore, the relationship between the two has been studied. 1 Soybean borer life habits analysis 11 Soybean borer to mature larvae overwinter, the following year 7