稻瘿蚊是晚稻秧田的主要害虫,防治上较为困难,近年旱育秧田的防治效果不佳,原因是沿用米乐尔,呋喃丹等毒土撒施的方法。1997年7月我们根据一遍净药剂拌种能有效防治水稻多种害虫的特性,在隆安县杨湾乡的旱育稀植秧田示范片进行了用一遍净拌种防治稻瘿蚊试验。　　拌种用一遍净( Rice gall midge is the main pests of late rice seedling, prevention and control is more difficult in recent years, the control effect of dry nursery seedling field is not good, because the use of Michel, carbofuran and other soil spreading method. In July 1997, according to the fact that the net medicament seed dressing can effectively prevent and control the characteristics of various pests in rice, we conducted a trial of controlling the rice gall midge with a single seed in the nursery and thin seedling planting demonstration project in Yangwan Township, Long’an County. Seed dressing with a net