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首页> 外文期刊>Journal of Parasitology >New Species of Trichuris (Nematoda: Trichuridae) from Akodon montensis Thomas, 1913, of the Paranaense Forest in Argentina
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New Species of Trichuris (Nematoda: Trichuridae) from Akodon montensis Thomas, 1913, of the Paranaense Forest in Argentina

机译：来自阿根廷巴拉那森森林的Akodon montensis Thomas的Trichuris的新种（线虫：Trichuridae），1913年

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摘要

Species of Trichuris (Nematoda: Trichuridae) parasitize a broad range of mammalian hosts. To date, 21 Trichuris species infecting nine families of rodents have been found in North and South America. Trichuris navonae n. sp. is described on the basis of specimens recovered from a species of forest-dwelling mice, Akodon montensis (Cricetidae: Sigmodontinae), from nine localities of Misiones Province, Argentina. A comparison with all the species of Trichuris from North and South American rodents is given. The separation of the new species of Trichuris is based on morphologic and morphometrica features, such as the absence of a spicular tube, the presence of a cylindrical spicular sheath with sharp spines, a non-protrusive vulva, a long anterior-posterior portion of the body, a lengthy spicule, and a proximal and distal cloacal tube. This is the third record of this genus in rodents of the Sigmodontinae from Argentina and the fifth record from South American rodents. Despite the large number of potential host species, only about 1.9%% of sigmodontine rodent species have been reported as hosts of Trichuris spp. It is suggested that this number represents but a small fraction of Trichuris spp. that occur in sigmodontine rodents, and that additional survey of this group should yield additional species.
机译：chu藜属的物种（线虫：Trichuridae）寄生了许多哺乳动物宿主。迄今为止，在北美和南美已经发现了21种Trichuris物种，它们感染了9个啮齿动物科。藜（Trichuris navonae） sp。根据从阿根廷米西奥内斯省（Misiones Province）的9个地方的森林栖居小鼠Akodon montensis（Cricetidae：Sigmodontinae）的标本中提取的标本进行了描述。对比了北美和南美啮齿动物的Trichuris的所有种类。 chu藜的新种的分离基于形态学和形态计量学特征，例如不存在针状管，存在带有尖刺的圆柱状针状鞘，不突出的外阴，长的前，后部分。身体，一根长长的针刺以及近端和远端的泄殖腔管。这是来自阿根廷的Sigmodontinae啮齿动物中该属的第三条记录，也是南美啮齿动物中的第五条记录。尽管存在大量潜在的寄主物种，但据报道只有约1.9 %%的Sigmodontine啮齿动物物种为Trichuris spp的寄主。建议该数字仅代表Trichuris spp的一小部分。发生在西格莫丁类啮齿动物中，对该群体的进一步调查应产生更多的物种。

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