小兴安岭重点林区食叶害虫种类调查与多样性分析

Investigation and Diversity Analysis of Defoliating Insects in Key Forest Areas of Xiaoxing’anling Mountains

[目的]掌握小兴安岭重点林区的食叶害虫种类及多样性情况。[方法]采用样方法对小兴安岭重点林区进行实地调查,同时对小兴安岭重点林区发生的食叶害虫进行多样性分析。[结果]共观察到2 082只害虫,隶属于4目23科48属52种,优势种为17种,在小兴安岭重点林区的5种不同生境中,针阔混交林的多样性指数、均匀度指数、优势度指数均最高,草甸均最低。[结论]该调查结果为制定国家重点林区的害虫防治措施提供参考。

[Objective]To grasp the species of defoliating insects in the key forest areas of Xiaoxing’anling Mountains.[Method]The field investigation was carried out in the key forest areas in Xiaoxing’anling,and the diversity of defoliating insects in the key forest areas of Xiaoxing'anling was analyzed.[Result]A total of 2,082 inserts samples were obtained,belonging to 52 species,48 genera,4 families,23 families,and 17 dominant species.Among five different habitats in the key forest areas of Xiaoxing’anling,the diversity index,uniformity,dominance index of coniferous and broad-leaved mixed forests were the highest,and the lowest in the meadow.[Conclusion]The survey results provided a reference for the development of pest control measures in key national forest areas.