鹞落坪自然保护区蝽类昆虫区系与多样性

The fauna and diversity of Heteroptera insects in Yaoluoping Nature Reserve

2006～2007年期间对鹞落坪自然保护区蝽类昆虫多样性进行调查,在不同的生境、月份及海拔对该地区的蝽类昆虫种类及数量进行抽样统计,将调查到的物种进行编目,并采用Margalof丰富度指数、Simpson多样性指数、Shannon-Wiener指数、Pielou指数和Whittaker多样性指数对其群落多样性进行分析。结果表明,鹞落坪共有蝽类昆虫102种,分别隶属于13科,77属。其中有33种为安徽省新记录种。区系分析表明该地区东洋种成分占优势,古北种次之,古北、东洋共有种最少。蝽类群落α多样性分析结果显示:不同生境多样性指数高低顺序是:阔叶灌丛、阔叶林、灌草丛、竹林、农田;不同月份多样性指数高低顺序是:5,7,6,4,9和8月;不同海拔多样性指数高低顺序是:1100,800,700,600,900,1000,1200,500和1300m以上。多样性、均匀性及丰富度的相关分析说明:在不同生境、不同月份、不同海拔,鹞落坪蝽类群落多样性H′指数与Simpson多样性指数及丰富度是一致的,H′与均匀度均不一致。鹞落坪蝽类群落β多样性指数受生境影响最大。

We had investigated the biodiversity of Heteroptera insects in Yaoluoping Nature Reserve,Anhui province,China from 2006 to 2007.The numbers of species and individuals were sampled in different habitats,time and altitudes.The species were listed,and Margalof index,Simpson index,Shannon-Wiener index,Pielou index,and Whittaker index were used to analyze the true bugs community.A total of 102 species of Heteroptera belonging to 77 genus,13 families are reported in which 33 species are reported in Anhui Province for the first time.The results of the fauna indicate that Oriental species were dominant ones,Palaearctic species second,while the common species of Oriental and Palaearctic regions are least.The result of the community’sαdiversity shows that the order of community diversity from highest to lowest are：the habitats range from broadleaf bush,broadleaf forest,grassland forest,bamboo forest to farmlands;time range from May,July,June,April,September and August;altitude belts range from 1 100,800,700,600,900,1 000,1 200,500 to above 1 300 m.The correlation analysis on the indices of diversity,the indices of Pielou and the indices of Margalof show that the relevance among the Shannon-Wiener indices,the Simpson indices and the Margalof indices is remarkable,but the Shannon-Wiener indices and the evenness are not correlative in different habitats,time and altitudes.The results of the community’s β diversity shows that the habitat is the remarkable factor on component of Heteroptera community.