【作者】 王丹；

【导师】 李利珍；

【作者基本信息】 上海师范大学 ， 动物学， 2017， 硕士

【摘要】 珠蚁甲属(Batraxis)隶属于鞘翅目(Coleoptera),隐翅虫科(Staphylinidae),蚁甲亚科(Pselaphinae),短腹蚁甲族(Brachyglutini),是一类体型微小、外形结构相近、广泛栖息于森林落叶层和朽木中的捕食性甲虫,主要取食螨虫、跳虫等小型无脊椎动物,是生态系统中不可或缺的一环,对维护环境生态平衡具有重要意义。此前,珠蚁甲属在全世界共记载45种,成员主要分布在古北、东洋、澳新区和马达加斯加区(塞舌尔)。中国仅于天津报道过1种。本研究通过检视采自全国各地的300余号标本,采用传统形态分类和支序系统学的方法,对我国珠蚁甲属物种进行了系统分类与总结,结果如下:一.共记录我国珠蚁甲属18种,均为新种(已全部发表)。分别为海南的双色珠蚁甲Batraxis bicolor、勾胫珠蚁甲B.tibialis、毛珠蚁甲B.pilosa、齿胫珠蚁甲B.spinosas、海南珠蚁甲B.hainanensis、姬珠蚁甲B.minor和清珠蚁甲B.simplex,广布于江西、贵州、广西的硕珠蚁甲B.robusta,广布于湖南、福建、浙江、江西、广西的丽珠蚁甲B.gloriosa,云南的弯角珠蚁甲B.antennata、长角珠蚁甲B.longicornis、绎帆珠蚁甲B.yifan、紫越珠蚁甲B.ziyueae、长刺珠蚁甲B.tuberculata和宽额珠蚁甲B.frontalis,西藏的格萨尔珠蚁甲B.gesar,广西的长胸珠蚁甲B.longithorax,以及分布在广东、湖南的南岭珠蚁甲B.nanlingensis。二.详细描述了所有涉及物种的形态特征,给出了相应的研究历史、采集方法和分布地区,讨论了各物种与其近缘种的区分要点,并配有相应的整体图和解剖图。三.编制了我国珠蚁甲属分种检索表。四.利用FileMaker Pro Advanced 13软件,构建了世界珠蚁甲属全部已知种的数据库,涵盖了种名、定名人、定名年代、模式产地、分布、研究历史及特征图等信息。五.采用支序系统学方法,分析了我国珠蚁甲属已知种之间的亲缘关系。六.分析了中国珠蚁甲属的地理分布特征。七.整理了中国珠蚁甲属名录。更多还原

【Abstract】 Members of the ant-loving beetle genus Batraxis(Coleoptera: Staphylinidae: Pselaphinae: Brachtglutini)are small in size,morphologically similar insects commonly found in decaying logs and forestry leaf litter.Species are predatory on springtails,mites,and other small invertebrates.They are believed to play an important role in food web and ecological chain.Prior to this study,45 species of Batraxis have been known worldwide,a majority of them are scattered in the Oriental,Australian,and Palaearctic regions,and the Seychelles.Only one species was known to occur in China(Tianjin).Based on an examination of over 300 specimens collected from the field,the Chinese species of this genus are treated here,revealing the following results:1.Eighteen new species of Batraxis are recognized(all published): Batraxis bicolor sp.n.(Hainan,Yunnan),B.tibialis sp.n.(Hainan,Jiangxi),B.pilosa sp.n.(Hainan),B.spinosas sp.n.(Hainan),B.hainanensis sp.n.(Hainan),B.minor sp.n.(Hainan),B.simplex sp.n.(Hainan),B.robusta sp.n.(Jiangxi,Guizhou,Guangxi),B.gloriosa sp.n.(Hunan,Fujian,Zhejiang,Jiangxi,Guangxi),B.antennata sp.n.(Yunnan),B.longicornis sp.n.(Yunnan),B.gesar sp.n.(Xizang),B.longithorax sp.n.(Guangxi),B.nanlingensis sp.n.(Guangdong,Hunan),B.yifan sp.n.(Yunnan),B.ziyueae sp.n.(Yunnan),B.tuberculata sp.n.(Yunnan),and B.frontalis sp.n.(Yunnan).2.All species treated in this paper are described in detail.A taxonomic history,collecting method,distribution and illustrations of major diagnostic characters.Illustrations of habitus for all species,ans diagnostic characters for 18 species are given.3.A key to the Chinese species of Batraxis is presented.4.A database for all world species is constructed,the scientific name,author,year of publication,type locality,distribution,taxonomic history and illustration of diagnostic characters are available for each species.5.A preliminary phylogenetic study to analyze the relationships of the Chinese members of Batraxis is procvided.6.The distribution of Batraxis in China is mapped,and their pattern analyzed.7.A list of Chinese Batraxis is given.更多还原