桃小食心虫(Carposina niponensis walsingham)是我国苹果、梨、桃、枣等果树的重要蛀果害虫,影响果品的产量和质量甚大,此虫在烟台地区危害亦相当严重,有时虫果率竟达80%以上。为防治这种害虫,过去多侧重于药械防治,虽有一定效果,但有污染环境,破坏生态平衡的弊端。因此,自197 Carposina niponensis walsingham is an important fruit pest of apple trees, pears, peaches and jujube in China. The pests affect the yield and quality of fruits very well. The insect pest is also very serious in Yantai area. %the above. In order to prevent and control such pests, in the past more emphasis was placed on the prevention and treatment of drug-induced diseases. Although there were certain effects, they were harmful to the environment and destroyed the ecological balance. So since 197