桃小食心虫(Carposina niponensisWalsirgham)是苹果生产中主要的一种食心虫,国内外已有较多研究,并基本掌握了它的发生规律和防治方法。但近年来各地仍陆续发生,且危害加重。因各地自然条件不同,尤其是因气候条件不同和各年度幼虫出土时的雨量变化很大,使幼虫出土数量的消长差异也很大。因此对桃小食心虫的防治 Carposina niponensis Walsirgham is one of the main moth worms in apple production. More studies have been done both at home and abroad, and its occurrence and prevention methods have been basically mastered. In recent years, however, various places have still occurred one after another, and the harm has worsened. Due to the different natural conditions in different places, especially due to different climatic conditions and annual precipitation of larvae when the great changes in the number of larvae unearthed differences also vary greatly. Therefore, peach small worm prevention and control