枣尺蠖又名枣步曲,主要为害枣树幼芽,俗称“顶门吃”。 一、生活习性。枣尺蠖一年发生一代。以蛹在树下10～20cm深的土中越冬。3月中旬成虫开始羽化,羽化盛期在3月下旬～4月中旬,5月上旬结束。雄蛾多静伏在树干、主枝背面;雌蛾羽化时先在土表潜伏,傍晚大量出土,上树产卵。卵多产在枝叉粗皮裂缝内,几十粒至数百粒排列成片状或不规则状。4月中旬开始孵 Jujube Zizyphus jujube, also known as the main harm jujube shoots, commonly known as “eat at the top.” First, the habits of life. Jujube 蠖 a generation occurs a year. Pupae wintering in the soil under the tree 10 ~ 20cm deep. In mid-March, adults begin to emerge. The emergence period of plumage is from late March to mid-April and ends in early May. Male moths and more static in the trunk, the main branch on the back; female moth feather when the first latent in the soil table, a large number of unearthed in the evening, the tree spawning. Egg prolific in the branches of rough skin cracks, dozens of tablets to hundreds of tablets arranged in a sheet or irregular shape. Begin hatching in mid-April