贵州远盲属蚯蚓一新种(单向蚓目:巨蚓科)  

Notes on a New species of Genus Amynthas From Guizhou

作　　者：邱江平[1] 王鸿[1] 王为[1] 

机构地区：[1]贵州科学院,贵阳550001

出　　处：《贵州科学》1993年第4期3-6,共4页Guizhou Science

基　　金：贵州省自然科学基金

摘　　要：本文报道了发现于贵州的远肓属蝗蚓一新种——囊腺远肓蚓Amynthas saccatus sp.nov.作者对新种的外部形态及内部构造进行了详细描述,并与其相似种Pheretima flexilis Gates 1935和Pheretima leucocirca Chen 1933进行了比较。模式标本采于贵州省雷山县及从江县。In this paper, a new species belonging to genus Amynthas is described. Amynthas saccatus sp. nov. (figs. 1-5) Length 101-124mm, diameter 3-4 mm, segments 64-92. Prostomium 1/2 epilobous. First dorsal pore in 11/12. Clitellum in ⅩⅣ-ⅩⅥ, With some setae on ventral side of ⅩⅥ. Setae enlarge and widely distribute before Ⅷ. Setae numbers 18-26 /Ⅲ, 24-28 /Ⅴ, 32-35/Ⅷ, 34-44/ⅩⅩ, 31-46/ⅩⅩⅤ; 5-10(ⅩⅦ) between male pores; 8-14(Ⅶ), 10-14(Ⅷ) between spermathecal pores. Male pores on ventro-lateral sides of ⅩⅧ, each situated on a long-round porophore with two small papillae nearby, surrounded by concentric ridges. There are paired papillae on ventral sides of ⅩⅦ, ⅩⅧ and ⅩⅨ. Sometimes lacking. spermathecal pores three pairs in 6/7, 7/8 and 8/9, about 2/5 of circumference ventrally apart. Paired papillae on ventral sides of Ⅶ, Ⅷ and Ⅸ or Ⅶ and Ⅷ or only Ⅷ. Septa 8/9 present, very thin. Cacca simple, extending to ⅩⅪⅤ. Testis sacs two pairs in Ⅹ and Ⅺ, rather developed, communicated. Seminal vesicles well developed. Dorsal lobes conspicuous. Prostates in ⅩⅦ-ⅩⅩ. Accessory glands long-sac shaped with smooth surface, well developed, arranged as the papillae outside. Spermathecae three pairs in Ⅶ-Ⅸ. Ampulla hearted shape or long-round with small and short duct. Diverticullum shorter than main pounch, twisted heavily on its middle part, and with round or long-round seminal chamber. Accessory glands as those on prostate region. Holotype: GZ-KOO254A(11, 124 mm long, 4 mm wide, 82 segments. Sctae numbers: 18 / Ⅲ, 24 /Ⅴ, 35 /Ⅷ, 44/ⅩⅩ, 46/ⅩⅩⅤ, 12(Ⅶ), 14(Ⅷ) between spermathecal pores and 8(ⅩⅧ) between male pores. It was collected from Mt. Talyang (25°37 N, 100°15′E, Alt. 1120m), Jiaya, Congjiang County, Guizhou Province, China on May 1, 1989. Paratype: GZ-KOO248C(1), GZ-KOO187E(1), GZ-K00191D(1), GZ-KOO193D(6), GZ-KOO195D(1), GZ-KOO2OOC(4), GZ-K00207A(1), 15 specimens, collected from Mt. Yeliang, Jiaya, Congjiang County (25°38�

关 键 词：单向蚓目 远盲属 囊腺远盲蚓 贵州 

分 类 号：Q959.193[生物学—动物学]