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豆秆黑潜蝇(Melanagromyza sojae)是陕西、甘肃等地夏大豆上的主要害虫之一。以前很少发生。自1980年以来,因大豆种植面积不断增加,该虫为害日趋加重,特别是近两年来,已成为陕、甘、川大豆生产上的障碍因素。现将我们对此虫的观察结果报道如下:
Melaleuca oleracea (Melanagromyza sojae) is one of the major pests on summer soybean in Shaanxi, Gansu and other places. Rarely happened before. Since 1980, due to the continuous increase of soybean planting area, the pest has become more and more serious. Especially in the past two years, it has become an obstacle in the production of soybean in Shaanxi, Gansu and Sichuan provinces. We now report the observations of this worm as follows: