中国淡水蛭类一新种和—新纪录(无吻蛭目:沙蛭科)  

A NEW SPECIES AND A NEW RECORD OF FRESHWATER LEECHES FROM CHINA (Arhynchobdellida: Salifidae)

作　　者：杨潼[1] 王德斌[1] 张永普 

机构地区：[1]中国科学院水生生物研究所,昆明师范专科学校生物系,温州师范学院生物系

出　　处：《Zoological Research》1997年第4期383-388,共6页动物学研究（英文）

基　　金：国家自然科学基金

摘　　要：本文记述了无吻蛭目沙蛭科巴蛭属的１新种，命名为云南巴蛭Ｂａｒｂｒｏｎｉａｙｕｎｎａ－ｎｅｎｓｉｓｓｐ．ｎｏｖ．；还记述了该科沙蛭属在我国１新记录——侧眼沙蛭Ｓａｌｉｆａｌａｔｅｒｏｃｕｌａｔａ（Ｋａｂｕ－ｒａｋｉ，１９２１）。The present paper gaves the description of a new species named Barbronia yunnanensis sp nov and the diagnosis of Salifa lateroculata (Kaburaki, 1921) which is a new record in China Type specimens of B yunnanensis sp nov and some specimens of S lateroculata are deposited in the Institute of Hydrobiology, Academia Sinica, Wuhan  Barbronia yunnanensis  sp nov (Fig 1)This new species resembles B weberi Blanchard,1897 and B zhejiangna Yang, 1996, two species in China, but differs from them in the following characters 1) Gonopores separated by 512-6 annulis are in the segments Ⅺ b4/b5 and Ⅻ b4 in the new species while those separated by 5 annulis are in the segments Ⅻb1 and Ⅻ/ⅩⅢ in B weberi, and those separated by 4 annulis are in the segments Ⅻb2/a2 and ⅩⅢb1/a2 in B zhejiangna 2) Anus of the new species is in the inverted 3/2 annuli while those of the other two species are in the inverted 2/1 annuli 3) The complete segment of the new species has 6 annulis, b1(c1+c2)=b6(c11+c12)>b2=b4=b5>b3,while that of B weberi has 5 annulis, b6 (c11+c12)>b1=b2=a2(b3+b4)=b6, and that of B zhejiangna has 5 annulis, b6(c11+c12)>b1=b2=b5>a2(b3+b4)So far as we know, five species of the genus Barbronia Johanssom, 1918, have been described The present species differs from all of the known species in major aspects and considered as new to scienceSalifa lateroculata (Kaburaki, 1921)Length 11-23 mm; maximum width 10-25 mm; daiameter of caudal sucker 07-13 mm First pair of eyes on dorsum of segments Ⅳ , another four t

关 键 词：无吻蛭目 沙蛭科 巴蛭属 沙蛭属 新种 新记录种 

分 类 号：Q959.194[生物学—动物学]