旋纹潜叶蛾1978年在我场果园开始发生,由于没引起足够重视,1979年全国成灾,有15%果树9月份严重地落叶,影响了果树的正常生长和发育,也直接影响了当年和来年的果品产量、质量. 该虫在我场一年发生四代,通过观察看出:1.旋纹潜叶蛾在我场一、二代发生比较整齐,三、四代有重叠发生 Rotated leaf miner began to appear in our field orchard in 1978. Due to its lack of attention, in 1979, 15% of the fruit trees severely decimated in the whole country and affected the normal growth and development of fruit trees and affected the current year And the fruit yield and quality in the coming year.The pest occurred in our field for four generations a year, through observation we can see: 1, the leaf-spotted leaf moth in my field one or two generation more neat, three or four generations overlap