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金纹细蛾属鳞翅目、细蛾科害虫,是苹果园里常见的一种潜叶害虫,近年来在不少地区危害加剧,渭北高原尤其严重。一般果园受害率达40％～50％,重病在80％以上。叶片受害后,仅留少数嫩梢和青果,不仅直接影响当年苹果的正常生长发育和成熟,还影响花芽分化和形成,来年损失更大,并导致树体衰弱,腐烂病发生蔓延。 1 观察 1.1 主要生活史 金纹细蛾在岐山县益店镇南官庄村示范果园一年发生5代,以蛹在被害落叶中越冬。3
Gold moth genus Lepidoptera, moth family pests, is a common apple orchard leafminer pests in recent years in many areas more aggravating the Weiwei Plateau is particularly serious. General orchard damage rate of 40% to 50%, serious illness in more than 80%. Only a few young shoots and green fruits were damaged after the leaves were damaged, which not only directly affected the normal growth and maturation of apples in the same year but also affected flower bud differentiation and formation, resulting in greater loss in the coming year and causing the decay of the tree and the spread of the rot disease. 1 Observation 1.1 The main life history of gold moths in Yishen County, Qishan County, South Guanzhuang Village demonstration orchard occurred in 5 generations a year, with the pupae wintering in the deciduous leaves. 3