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梨小食心虫是塔里木垦区果园中的主要蛀果害虫。它严重地为害桃、梨、苹果,偶尔也蛀食杏和山楂等果品。被害果实出现洞孔、虫斑、粪便、流胶等症状,破坏果品的鲜美,甚者,污秽不堪入口,同时加重落果,降低产量,常年蛀果率约为20～30％,严重年份达70～80％,是果园生产中的一个大敌,严重地影响果品品质和经济收入。 我区长期以来,在梨小食心虫防治上单纯使用化学农药,不仅效果逐减,污染环境,毒化果品,损害人体健康;而且使害虫对农药产生了抗药性,并杀死了大量的天敌,
Pear Mung Beetle is the main fruit pest in the orchards of the Tarim reclamation area. It harms peaches, pears, apples and occasionally eats apricots and hawthorn and other fruits. The fruits of the victims appear holes, insect spots, excrement, gel and other symptoms, destroy the delicious fruit, worse, dirty unsightly entrance, while reducing decapitation, reduce production, perennial rate of about 20 to 30% of fruit borers, serious year up to 70 ~ 80%, is an enemy in the production of orchards, seriously affecting the quality of fruit and economic income. For a long time, in our district, the simple use of chemical pesticides on the prevention and control of Pear Moth not only reduced the effect, polluted the environment and poisoned the fruit, but also harmed human health. Moreover, Pests caused resistance to pesticides and killed a large number of natural enemies.