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本文根据田间系统调查所获材料对烟地节肢动物群落的动态进行分析。已鉴定出的种类分属于昆虫、蜘蛛、螨类及多足纲等类群共79种。其中植食性昆虫以蚜虫为优势种·捕食性天敌以蜘蛛类群的拟环纹狼蛛、拟水狼蛛、草间小黑蛛及食虫瘤胸蛛为优势种,寄生性无敌种类单一,以烟蚜茧蜂为主。在烟草的不同生育期,物种丰富度、多样性指数、均匀性指数及个体密度都有一定程度的差异,存在从烟苗期到成熟期上升的趋势。杀虫剂的使用与烟地节肢动物群落的结构与动态有较密切的关系。
In this paper, we analyzed the dynamics of arthropod community in flue-cured tobacco based on the data from the field system survey. The identified species belong to 79 species, including insects, spiders, mites and mites. Among them, herbivorous insects took aphids as the predominant species. Predatory natural enemies took the spiders as the dominant species, the single species of parasitic invading species Tobacco aphid mainly bee. There was a certain degree of difference in species richness, diversity index, evenness index and individual density at different growth stages of tobacco, and there was a trend of rising from tobacco seedling stage to mature stage. The use of insecticides is closely related to the structure and dynamics of arthropod communities in the tobacco fields.