豆根蛇潜蝇Melanagromyza sp.俗名大豆根蛆,近几年来各地调查,为害率高达70—80％,已严重影响大豆的生产。 豆根蛇潜蝇幼虫在大豆茎基及根部为害,在皮下取食,向上钻蛀,大部分在中柱组织内,食害韧皮部,局部组织死亡,致使根部膨大产生肿瘤。个别幼虫能为害到髓部,被害株多数仅 Soybean leaf snake Melanagromyza sp. Common name soybean root maggots, in recent years, all over the investigation, the damage rate as high as 70-80%, has seriously affected the production of soybeans. The larvae of Hemifugus Scutellariae are harmed in the stem base and root of soybean and fed under the skin. Drilled upwards, most of them in the mid-column tissue, which eaten the phloem and local tissues died, resulting in the swelling of the root to produce tumor. Individual larvae can damage to the pulp, the majority of victims only