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七十年代以来,稻飞虱和稻叶蝉已成为湖南省水稻的主要害虫,它们发生面积之广,造成损失之严重,已超过稻螟和纵卷叶螟。由于多年单纯依靠化学农药防治,导致了农药成本猛增、环境污染严重和农药残毒增大。为了寻求生物防治的途径和方法,我们从1975年起开展了稻田天敌昆虫资源调查,在调查中认识到黑肩绿盲蝽(Cyrtorrhinus lividipennis-R enter)是此两类害虫的要重天敌。为了进一步保护利用这种天敌,于1980年观察了它的生物学特征,现将结果初步报道如下。
Since the 1970s, planthoppers and rice leafhoppers have become the major pests of rice in Hunan Province. They have a wide area and cause serious losses, exceeding those of the rice stem borer and the rice leafroller. Due to years of relying solely on chemical pesticide control, resulting in soaring pesticide costs, serious environmental pollution and pesticide residues increased. In order to seek ways and methods of biological control, we conducted a survey of natural enemies of paddy fields from 1975 onwards. We know that Cyrtorrhinus lividipennis-R enter is a natural predator of these two types of pests. In order to further protect and utilize this natural enemy, its biological characteristics were observed in 1980, and the results are initially reported as follows.