水稻潜叶蝇是水稻苗期一个重要害虫.近年来,由于耕作制度的改变,插秧期提前了近一个月,使水稻潜叶蝇由过去只限在秧田为害转为插秧后本田前期为害为主,严重影响水稻苗期正常发育及产量.在丹东地区,水稻潜叶蝇是以成虫在杂草中越冬,每年4月末开始活动,5月中旬进入产卵盛期.水稻潜叶蝇在秧苗和杂草上产卵繁殖,常把卵产在秧苗和杂草稀少的 Rice leaf miner is an important pest in rice seedling stage.In recent years, due to the change of tillage system, planting time advance nearly a month, so that the rice leaf miner from the past only in the seedling transplanting to Honda early transplanting harm , Seriously affecting the normal development and yield of rice seedlings.In Dandong area, the rice leaf miner winters in the weeds in the winter, beginning activities at the end of April, mid-May into the spawning period.Mice leaf miner in the seedling and Weeds on the spawning, eggs often spawning seedlings and rare weeds