大豆根潜蝇,又称大豆根蛆、豆根蛇蝇、潜根蝇等,这是近年来新发生的一种大豆根部害虫。植株被害率一般在70—90%,严重时可达100%,造成大豆减产幅度10—30%。东北地区一年发生一代,以蛹越冬,翌年5月中下旬羽化为成虫。大豆幼苗出土后,成虫便飞至子叶及复叶上吸取汁液。 Soybean leaf miner, also known as soybean root maggots, soybean snake flies, potential root flies, which is a new occurrence in recent years, soybean root pests. Plant damage rate is generally 70-90%, up to 100% in serious cases, resulting in 10-30% reduction in soybean yield. One generation a year in the northeast region, with pupa overwintering, mid to late May next year emergence into adults. After the soybean seedlings were excavated, the adults flew to cotyledons and compound leaves to draw juice.