果园中金龟子的发生为害程度与气温、土壤、湿度、施肥和套种作物的种类有关。水浇地、荒坡地、偏施草肥及树行间套种豆类作物的果园,金龟子数量多,为害重。金龟子是危害果树的重要害虫,其幼虫蛴螬为害根部。在成虫发生季节常成群迁入果园危害,严重时可将花蕾、花及叶片啃食一光。金龟子主要是傍晚和夜间危害,有假死性,体壳坚硬,不易防治。 The damage caused by the orchards in the orchards is related to the temperature, soil, humidity, fertilization and intercropping. Irrigated fields, barren slopes, partial fertilizers and trees intercropping intercropping legumes orchards, chafers more than the number of heavy. Scarab is an important pest that harms fruit trees, and its larvae grubs roots. Insects often occur in groups during the season into the orchard hazards, serious buds, flowers and leaves can eat a light. The beetles are mainly in the evening and night hazards, with lethality, body shell hard, not easy to control.