贵州省腹袋属一新种（Gastrothylax　magnadiscus　sp．nov.）记述（吸虫纲：同盘科）  

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

作　　者：王溪云[1] 周静仪[1] 钱德兴[1] 苗西明 

机构地区：[1]江西省科学院微生物研究所,贵州省兽医防疫检疫站

出　　处：《江西科学》1994年第3期173-177,共5页Jiangxi Science

摘　　要：记述了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．），介绍了该属的简史，并将新种与该属已有的种类的主要特征列表进行了比较。Castrothylax magnadiscus sp. nov(fig.1-2)Boby cone-like,9.80-10.35 mm×3.5-4.7mm; ventral pouch comparatively wide,triangular in cross-section with vertex directed dorsally,reaching in front of acetabalum;Oral sucker(pharynx) subterminal,0.82-0.85 min×0.68-0.82 mm;ratic between its length to that of body is 1∶12.10;acetabalum ventro-terminal,4.8-5.9 mm×4.8-5.9 mm; ratio between its diameter to length of body is 1∶1.82;Oesophagus curved 0.480.75 mm;Caeca long,wavy,ending a little beyond the testes;Testes elliptical,deep lobed,preacetabular,intercaecal,left test is 0.56-0.63mm×0.41-0.51 mm and right test is 0.55-0.66 mm×0.37-0.45 mm.Uterus crossing to other side,near equator of the body.Genital pore prebifurcal,near the base of oesophagus.Vitellaria fofficular,confined to lateral sides of the body.Laurer's canal not crossing excretory vesicle.The new species differs from all the other species of this genus in the shap,size of acetabulum and the position of testes.Host:Bubalus bubalus Habitat:Rumen Loca lity:Danzhai County(26°19'N,107°78'E),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]