Cestode Parasites of Armadillos (Mammalia: Xenarthra) from Argentina: Two New Species of Mathevotaenia (Anoplocephalidae) in Tolypeutes matacus.

Kisaengch'unghak chapchi. The Korean journal of parasitology Pub Date : 2020-02-01 DOI:10.1645/19-103

Tatiana A Rios, F. Drago, M. Ezquiaga, A. Abba, G. Navone

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Abstract

A total of 20 specimens of Tolypeutes matacus (Desmarest, 1804) from the Chaco Region in Argentina were examined. This study revealed the presence of 3 species of the genus Mathevotaenia Akumyan, 1946 (Cestoda Anoplocephalidae), two of them new for science. These species are described, illustrated, and compared with related species. Mathevotaenia chamicalensis n. sp. is characterized by having a small body with 45-65 proglottids; a globose scolex, longer than wide and well delimited from strobila; a long neck; mature and gravid proglottids longer than wide; and 20-35 testes located in a single field. Mathevotaenia yepesi n. sp. is characterized by having a small body with 86-128 proglottids; a rectangular scolex, wider than long and not well delimited from strobila; neck absent; mature and gravid proglottids wider than long; and 23-50 testes located in the medial portion of the proglottid. The finding of Mathevotaenia argentinensis Campbell et al., 2003 parasitizing T. matacus represents the first record in armadillos.

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阿根廷犰狳寄生虫(哺乳纲:Xenarthra):犰狳科Mathevotaenia (anoplocphalidae)二新种。

本文对阿根廷查科地区的20只马塔克斯(toolypeutes matacus, Desmarest, 1804)进行了研究。本研究发现1946年Mathevotaenia Akumyan属3种，其中2种为科学新种。对这些物种进行描述、图解，并与相关物种进行比较。Mathevotaenia chamicalensis n. sp.的特征是身体小，有45-65个前肢;一个球形的头节，长于宽和从分胞隔出;长脖子;成熟和妊娠的先兆体长于宽;20-35个睾丸分布在一块田地里。Mathevotaenia yepesi n. sp.的特点是有一个小的身体，有86-128个前肢;一种矩形的头节，宽于长，不很好地与间裂分开;脖子缺席;成熟和妊娠的先兆体宽于长;23-50个睾丸位于前声门内侧。2003年在犰狳中首次发现Mathevotaenia argentinensis et al.，寄生于matacus。

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Kisaengch'unghak chapchi. The Korean journal of parasitology

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