桃小食心虫是果品生产的大敌,遍布我省南北。除为害苹果外,桃、梨、枣、李、杏、沙果、山渣等果品也受其害。近年由于防治抓得不紧,加之原有有效药剂“1605”和滴滴涕因剧毒、高残毒、杀伤害虫天敌等缺点使用量减少,此虫危害程度普遍加剧。如秦岭北麓部分地区虫果率高达50%以上,成为生产中急待解决的问 Peach small heart worms is the enemy of fruit production, all over the province north and south. In addition to harmful apples, peach, pear, jujube, plum, apricot, sand, mountain residue and other fruits also suffer. In recent years, the prevention and treatment of grasping is not tight, combined with the original effective pharmaceutical “1605 ” and DDT due to highly toxic, high residual poison, killing natural enemies and other shortcomings reduce the use of insects, the pest generally increased. For example, the rate of insect fruit in some areas in the north foot of Qinling Mountains is as high as over 50%, becoming an urgent question in production