桃小食心虫是我省苹果的重要害虫。果实被害后变成“洗沙心”,在一般情况下,这种“洗沙心”果可达30—50％,个别果园竟达70—80％,严重地影响苹果生产和外销。因此,综合防治苹果园桃小食心虫,提高好果率,已成为当前苹果生产的任务之一。桃小食心虫食性杂,寄主多,国内已报道十余种:苹果、梨、桃、 Peach mung bean worm is an important pest in our province. Under normal circumstances, this “sand wash heart” up to 30-50% of the fruit, as many as 70-80% of individual orchards, seriously affecting the production and export of apples. Therefore, the comprehensive prevention and control of apple orchard Peach Moth and improve the good fruit rate, has become one of the tasks of the current apple production. Peach small heart worms food miscellaneous, host more than a dozen domestic species have been reported: apple, pear, peach,