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苹果小卷叶蛾是果树的重要害虫之一,既为害叶片又为害果实,特别是座果率高的品种,如国光、金冠受害严重。通过三年观察表明,苹果小卷叶蛾在我区一年发生二代,以幼令幼虫结小白茧在树干翘皮处或剪锯口处越冬,4月中下旬出蛰危害嫩叶和花蕾,以后为害幼果,5月中下旬化蛹,越冬代成虫6月上旬羽化,成虫羽化后1～3天开始产卵,卵期7天左右,第一代幼虫6月下旬出现,7月下旬化蛹,8月上旬出现成虫,8月中旬第二代幼虫孵化继续为害至10月上旬结茧越冬。
Apple leaf roller leaf moth is one of the important pests of fruit trees, both harmful leaves and fruit damage, especially the high fruit varieties, such as Guoguang, Golden Delicious seriously harmed. Through three years of observation shows that the apple leaf roller moth occurs in our district one year, with young larvae knot small white cocoon in the trunk of the skull or cut at the mouth of the wintering winter, late April endangered leaves and buds, After the young fruit damage, pupation in mid to late May, overwintering adult feathers early in June feather, adults 1 ~ 3 days after the emergence of fecundity spawning eggs, about 7 days, the first generation larvae appear in late June, late July Pupae, adults appeared in early August, second-generation larvae hatched in mid-August continued to harm until early October cocoon winter.