梨小食心虫简称梨小,又名梨小蛀果蛾、小食心虫,是梨树的重要害虫,除为害梨、桃树外,也为害李、杏、苹果、山楂等,在梨树与桃树混栽的果园中为害严重,发生情况复杂,严重影响果品质量及产量。春季幼虫主要为害桃梢,夏季一部分幼虫为害桃梢,另一部分为害梨果,秋季主要为害梨果。桃梢被害,幼虫多从新梢顶端2~3片叶的叶柄基部蛀入,在蛀孔处有流胶及虫粪,不久新梢顶端萎蔫枯死。识别特征在梨果上为害,幼虫多从萼洼和梗洼处蛀 Pear small heart pest Pear short, also known as Pear small moth, small heart worms, pear is an important pest, in addition to pear, peach, pear, apricot, apple, hawthorn, pear and peach Mixed orchard serious damage, the occurrence of complex, serious impact on fruit quality and yield. Spring larvae are mainly harmful peach shoots, summer pests damage peach shoots, the other part of the damage pears, fall mainly harmful pears. Peach shoot damage, the larvae from the tip of the top 2-3 leaf petioles at the base of decay, gum hole in the wormhole and insect manure, and soon the tip of the top wilted dead. Identification of pests in pear damage, larvae mostly from the calyx depression and stems at the moths