中国牛蛭属一新种记述(吻蛭目,医蛭科)  

A NEW SPECIES OF POECILOBDELLA FROM YUNNAN,CHINA(ARHYNCHOBDELLIDA,HIRUDINIDAE)

作　　者：王德斌[1] 杨潼[2] 

机构地区：[1]昆明学院生物系,昆明650031 [2]中国科学院水生生物研究所,武汉430072

出　　处：《动物分类学报》2008年第2期344-347,共4页Acta Zootaxonomica Sinica

摘　　要：报道了采自云南省景东县的牛蛭属Poecilobdella Blanchard,18931新种。由于新种总体环数为99环,生殖孔分别在30(Ⅺ)与38(ⅩⅢ)环内,两孔相隔7环;肛门在99环与尾吸盘交界线上;附睾呈卵圆形,精管膨腔呈梨形并且为前者的1/3大小;阴道盲囊呈圆球形,阴道管粗短且无阴道柄。因此与本属中所有的已知种均不相同。The article reported a new species of the genus Poecilobdella. Holotype and five paratypes were found from Jingdong County of Yunnan Province in China （23°56′-24°29′N, 100°22′-101°15′E; alt. 1 221 m）. Poecilobdella yunnanensis sp. nov. （Figs.1-3） The special characters described as follows： rings 99; gonopores separated by seven annuli, the male at Ⅺ 30, the female at Ⅹ Ⅲ 38; anus situated on the borderlinebetween ring 99 and posterior sucker; shape of epididymis orbicular-ovate, atrium likes pearfonn; meanwhile, vaginal caucum showing shape of big ball. This species dosely resembles Poecilobdella javanica （Wahlberg, 1855 ）, and Poecilobdella similis （ Moore, 1945）, but differs from them in the following aspects （Table 1 ）. So far as we know, nine species of the genus Poedlobdella Blanchard, 1893 have been described. The present species differs from all of the known species in major aspects and is considered as new to science.named after type locality. All the specimens are deposited in the Biological Department of Kunming Normal College, Kunming.

关 键 词：吻蛭目 医蛭科 牛蛭属 新种 

分 类 号：Q959[生物学—动物学]