银合欢豆象幼虫空间分布型及抽样技术研究  

Research on spatial distribution pattern and sampling technique of Acanthoscelides macrophthalmus larva

作　　者：张开存 佟友贵 杨欣 张会燕 杨伟娴 施艳萍 熊忠平[3] 

机构地区：[1]昆明市东川区森防站,昆明654100 [2]昆明市东川区住房和城乡规划建设局,昆明654100 [3]西南林业大学林学院,云南省森林灾害预警与控制重点实验室,昆明650224

出　　处：《环境昆虫学报》2014年第3期459-464,共6页Journal of Environmental Entomology

基　　金：云南省重点学科建设项目(XKZ200905);东川区干热河谷三种主要害虫研究项目

摘　　要：2012年4月在昆明市东川区小江干热河谷新银合欢林内设置5块样地对银合欢豆象幼虫进行调查。采用多个聚集度指标和回归分析法,对银合欢豆象幼虫空间分布型进行测定,结果表明:各项指标及回归模型均判定其空间分布型为聚集分布;"聚集均数"法分析表明其聚集原因可能是由于昆虫本身的聚集行为与环境因子共同作用所致。同时,进行了植株不同方位间虫口密度差异显著性检验,建立了序贯抽样模型和理论抽样数公式。In the April 2012, the spatial distribution pattern of the Acanthoscelides macrophthalmus larva was determined by investigating 5 sampling plots at the orchard of Leucaena leucocephala in Arid - hot Valley of Xiaojiang in Dongchuan in Kunming. Several aggregation indices and regression analysis methods were used to determine the spatial distribution pattern. All of the methods shown that the spatial distribution pattern of the larva belonged to the aggregation. In addition, the aggregation average method by Blackith was applied to analyze the aggregation reasons of the larva. Environmental factors and the aggregation nature of the insect were the main factors. The population density in different orientations was analyzed by the method of ANOVA, The sequential sampling model and academic sampling formula were formed.

关 键 词：银合欢豆象 新银合欢 空间分布型 抽样技术 

分 类 号：Q968.1[生物学—昆虫学] S433.5[农业科学—农业昆虫与害虫防治]