贵州省腹袋属一新种记述(吸虫纲:同盘科)  

A NEW SPECIES OF THE GENUS GASTROTHYLAX FROM GUIZHOU PROVINCE, CHINA (TREMATODA: PARAMPHISTOMATIDAE)

作　　者：钱德兴 苗西明 周静仪[2] 

机构地区：[1]贵州省兽医防治检疫站,贵阳550008 [2]江西省科学院微生物研究所,南昌330029

出　　处：《动物分类学报》1997年第1期14-18,共5页Acta Zootaxonomica Sinica

摘　　要：本文记述寄生于贵州省丹寨县水牛瘤胃内同盘科腹袋亚科腹袋属内吸虫的一个新种，巨盘腹袋吸虫Gastrothylaxmagnadiscussp．nov.，简述了该属的简史，并将新种与该属已有的种类的主要特征列表进行了比较。Gastrothylax magnadiscus sp. nov. (Figs. 1-3)Body cone-like, 9. 80mm-10. 35mm α 3. 50mm-4. 70mm; ventral pouch comparatively wide, triangular in cross-section with vertex directed dorsally, reaching in front of acetadalum. Oral sucker (pharynx) subterminal, 0. 82mm-0. 85mm × 0. 68mm-0. 82mm;ratio between its length to that of body is 1: 12. 10; acetabalum ventro-terminal, 4. 8mm-5. 9mm × 4. 8mm-5. 9mm; ratio between its diameter to length of body is 1: 1. 82. Oesophagus curved 0. 48mm-0. 75mm. Caeca Long,wavy,ending a little beyond the testes. Testes elliptical, deep-lobed, preacetabular, intercaecal, left testis 0.56mm-0. 63mm × 0. 41mm-0. 51mm and right testis 0. 55mm-0. 66mm × 0.37mm-0. 45mm. Uterus crossing to other side, near equator of the body. Genital pore prebifurcal, near the base of oesophagus. Vitellaria follicular,confined to lateral sides of the body. Laurer's canal not crossing excretory vesicle.The new species differs from all known species of this genus in shape,size of acetabulum and the position of testes.Host Bubalus bubalus.Habitat Rumen.Locality Danzhai County (26°19′ N, 107°78′ E), Guizhou Province.The type specimens are deposited in the Microbiogical Institute, Jiangxi Academy of Sciences and Veterinary Anti-Epidemic Station of Guizhou Province.

关 键 词：吸虫纲 同盘科 腹袋属 新种 

分 类 号：Q959.152[生物学—动物学]