桃小食心虫又名桃蛀虫,简称“桃小”。主要危害苹果、梨、桃、山楂、李、杏、枣等果树。 1、危害状况。初孵化的幼虫先在果实上爬行,遇有适当部位便蛀入果内,咬下的果皮屑堆放在孔口周围。幼虫入果后2—3天有果胶从果孔流出,状如眼泪。幼虫在果内纵横穿食果肉并危害种子。虫粪留在果肉内,故有“豆沙馅”之称。果面出现凹陷潜痕,严重时果实变形呈“猴头”状。 Peach small heart worms, also known as peach moth, referred to as “peach small ”. The main harm to apples, pears, peaches, hawthorn, plum, apricot, jujube and other fruit trees. 1, hazardous situation. First hatched larvae crawling first in the fruit, in case of appropriate sites will be eaten into the fruit, bite of dander stacked around the orifice. 2-3 days after the larvae into the fruit pectin outflow from the hole, like a tear. The larvae cross the fruit to penetrate the pulp and jeopardize the seeds. Insect fecal left in the pulp, it is “red bean paste ” said. Fruit surface depression depression, serious deformation of the fruit was “Hericium ” -like.