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豆秆黑潜蝇[Melangromyza Sojae(Zehntner)]是河南省大豆的重要害虫之一。虫体小,分布广,钻蛀性强,以幼虫蛀食大豆主茎、侧枝和叶柄髓部,苗期危害对产量影响最大。1980年我们在河南省14个县、市调查结果,春大豆被害株率在70%以上,夏大豆被害株
Sludge Black miner [Melangromyza Sojae (Zehntner)] is one of the major pests of soybean in Henan Province. The worms were small, widely distributed and had a good borer. The larvae eaten the main stems, collaterals and the medulla of the petioles, which had the greatest impact on the yield. In 1980, in 14 counties and cities in Henan Province, we found that the rate of damaged soybean in spring was more than 70%