豆秆黑潜蝇ＭｅｌａｎａｇｒｏｍｙｚａｓｏｊａｅＺｅｈｎｔｎｅｒ是黄淮流域大豆产区的主要害虫之一。驻马店市为夏大豆种植区，常年种植面积近１０万ｈｍ２，该虫为害株率一般达５０％～９０％，造成幼苗枯死或成株发育不良，减产１０％～２０％，严重年份达４０％以上。为 Melanagromyzasojae Zehntner is one of the major pests in the soybean producing area of ​​Huang-Huai River Basin. The planting area of ​​summer soybean in Zhumadian City is nearly 100,000 hm2. The pest-killing rate of this pest is generally 50% -90%, resulting in the withered seedlings or the poor growth of the adult plants, with a yield reduction of 10% -20% and severe years of 40% the above. for