稻飞虱是水稻的主要害虫。据我县30年统计,中等偏重至大发生的频率为33.3％。80年代以来,推广应用的甲胺磷、叶蝉散、速灭威、三唑磷、扑虱灵、虱纹灵等药剂都有一定的局限性,加上连年使用,曾一度出现杀伤天敌、刺激飞虱增长、残效期短、药效缓慢、对虫龄要求严等不足之处。因此,1996年,我们对南京红太阳集 Planthopper is a major pest of rice. According to my county statistics for 30 years, the frequency of moderate to severe occurrence is 33.3%. Since the 1980s, the promotion of the use of methamidophos, leaf cicada, Velocity, triazophos, propafen, lice and other agents have some limitations, coupled with years of use, once appeared to kill natural enemies, Stimulate the growth of planthoppers, short residual effect, slow efficacy, strict requirements on insects and other deficiencies. Therefore, in 1996, we set the Nanjing Red Sun