长绿飞虱Saccharosydne procerus(Mots.)是危害茭白Zizania caduciflora的主要害虫,我省各地均有分布。严重危害时,茭白整株枯黄,叶片卷曲枯死,植株矮小,严重影响茭白产量。丁锦华等曾对此虫的形态学及生物学习性有过报导,我们于1981—1983年对长绿飞虱的发生规律及防治技术也进行了研究。材料与方法在本院农场与邗江县运西公社茭白田设点系统调查,按棋盘式取样方法每5天调查一 Saccharosydne procerus (Mots.) Is a major pest that is harmful to Zizania caduciflora, distributed throughout the province. Serious damage, the whole plant yellowish white, leaf curly dead, short plants, seriously affect the yield of wild rice. Ding Jinhua et al. Had reported the morphological and biological behavior of this insect. We also studied the law of occurrence and control of the planthopper in 1981-1983. Materials and Methods In our hospital farm and Qijiang County Yunxi commune 茭 Pak Tin site system investigation, check by chessboard sampling method every 5 days