稻秆潜蝇Chlorops oryzae Matsumura是我省中稻生产上的一大主要虫害,从1980年以来,为害逐年加重,全年发生3代,为害水稻两次。我县中稻秧苗被害株率一般达40％,严重的达80％以上;穗被害率一般10％,高的达20％。近几年来,稻秆潜蝇已向低山、坪区扩展为害双季稻。为了有效地防治稻秆潜蝇,进行药剂防治试验,现将结果整理如下。 Chlorops oryzae Matsumura is one of the major pests in medium rice production in our province. Since 1980, the pests have been aggravating year by year, affecting three generations throughout the year and damaging rice two times. My county middle rice seedling plant damage rate is generally 40%, severe up to 80%; ear damage rate is generally 10%, up to 20%. In recent years, rice stem miner fly has been to the low mountain, Ping District, double crop damage to rice. In order to effectively prevent rice leaf miner flies, chemical control experiments, the results are summarized below.