豆秆黑潜蝇广布于大豆产区,在本地区发生普遍而严重,历年春大豆蛀茎株率一般在50%以上,夏、秋大豆则几乎年年达100%,对产量造成严重损失。由于该蝇生活习性隐蔽,世代重叠,过去在防治技术上尚缺乏行之有效的方法,危害后所造成的产量损失也不易被察觉,因而在大豆生产上还没有引起足够重视。据此,我们自1981年以来,对豆秆黑潜蝇的发生为害规律和药剂防治技术进行初步试验研究,取得了较好的结果。 Stem black-leaf flies are widely distributed in the soybean producing areas, which are common and severe in the region. The annual soybean stem borer rate in spring is generally over 50%, while that of summer and autumn soybeans reaches almost 100% annually, causing serious losses in output . Due to the obscure living habits of the flies and their overlapping generations, in the past there was a lack of effective methods in the prevention and treatment of the diseases and the loss of yield caused by the flies was not easily noticeable. Therefore, enough attention was paid to soybean production. Accordingly, since 1981, we have carried out preliminary experimental studies on the occurrence and damage of legged stinkblasts and the chemical control techniques, and achieved good results.