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异带属绦虫-新种

A New Species of Anomotaenia Cestode (Cyclophyllidea: Dilepididae)

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【作者】 李海云林宇光

【Author】 Li Haiyun;Lin Yuguang(Dept. of Biol. )

【机构】 广州中山大学生物学系寄生虫研究室

【摘要】 记述采自福州白颊噪鹛体内的异带属绦虫-新种──噪鹛异带绦虫Anomotaeniagarruklax,模式标本保存于厦门大学寄生动物研究室.

【Abstract】 This new cestode (Anomotaenia garrulaxa n. sp. )was collected from Galrulax sannio in Fuzhou, Fujian. Its specific characters are as follows: (Figs 1~5) (Unit mm).Strobila 28~40 in length, 0. 873~0. 927 in maximum width, Neck 0. 300~0. 403: 0. 382~0. 798 ×0. 260~0. 311, early gravid segments 0. 667~0. 915 × 0. 499~0. 562. Genital pores irregularly altermated, opening at anterior third of the lateral margin of the proglottid.Scolex, 0. 394 ~ 0. 417 × 0. 235 ~ 0. 248. Suckers 4, unarmed, 0. 109 ~ 0. 124 × 0. 097 ~0. 118. Rostellum 0. 074~0. 079 × 0. 081 ~0. 087, bearing 24 hooks arranging in 2 crowns, the large hooks 0. 047~0. 052 in length, the small hooks 0. 040~0. 043 in length.Testes 15~ 18, roundish or elliptical, 0. 051 ~0. 067 ×0. 042~0. 054, locating in the posterior half of segment, behind the female genital organs. Cirrus pouch ellipthical, 0. 090~0. 096× 0. 052~0. 088 in diameter. Cirrus with spines, 0. 002 in length, often stretch outside the segment. Ovary with 2 lobes, each lobe to be composed of tree-like branches, 0. 612 ~ 0. 633 ×0. 136. Vitelline gland elongated transversely, compact, posterior to the ovary. Seminal receptacle pear-shaped, 0. 059 ~ 0. 067 × 0. 046 ~ 0. 055. Uterus sac-like, located before the ovary in early gravid segments, extending gradually to the posterior region of segments until occupying all the proglottid.Discussion: The new species resembles Anomotaenia volvulus (Linstow), but differs from the later mainly by the following features: (1 ) The strobila of new species is relatively small: (2)Testes are fewer (15~ 18) than that of A. volvuls (18~20), arranging as two rows but not of 3 rows more in that of the similar species; (3)Ovary of new species occupying the most anterior part of segment, with distinct branches, while the ovary of A. volvulus having two unsymmetrical lobes, situated near the pored side of segment.

【关键词】 囊官科异带属白颊噪鹛新种
【Key words】 DilepididaeAnomotaenia garrulaxa n. sp.Garrulax sannio
  • 【文献出处】 厦门大学学报(自然科学版) ,JOURNAL OF XIAMEN UNIVERSITY(NATURAL SCIENCE) , 编辑部邮箱 ,1996年06期
  • 【分类号】Q959.156
  • 【被引频次】2
  • 【下载频次】26
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