Dactylogyrids (Platyhelminthes, Monogenea) from the gill lamellae of doradids (Siluriformes) with description of five new species of Cosmetocleithrum and new geographical distribution for known species from the Neotropical Region, Brazil

IF 2.3 2区医学 Q2 PARASITOLOGY

Parasite Pub Date : 2023-12-05 DOI:10.1051/parasite/2023054

Augusto Leandro de Sousa Silva, Yuri Costa de Meneses, W. Martins, S. C. Cohen, Andréa Pereira da Costa, M. Justo

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Abstract

Five new species of Cosmetocleithrum were described parasitizing the gill filaments of neotropical doradid fishes. Cosmetocleithrum undulatum n. sp., Cosmetocleithrum brachylecis n. sp. and Cosmetocleithrum ludovicense n. sp. are described from Platydoras brachylecis from a market-place of São Luís, State of Maranhão, Brazil. Cosmetocleithrum sacciforme n. sp. and Cosmetocleithrum basicomplexum n. sp. are described from Oxydoras niger from Juruá River, State of Acre, Brazil. Cosmetocleithrum undulatum and Cosmetocleithrum brachylecis resemble Cosmetocleithrum falsunilatum Feronato, Razzolini, Morey & Boeger, 2022 mainly by the unique male copulatory organ (MCO) morphology but differ from these and all congeneric species mainly by the morphology of the MCO, accessory piece and hooks pairs. Cosmetocleithrum ludovicense is closer to Cosmetocleithrum confusus Kritsky, Thatcher & Boeger, 1986 and to Cosmetocleithrum akuanduba Soares, Santos Neto & Domingues, 2018 but differs from those mainly by the morphology of the accessory piece. Cosmetocleithrum sacciforme differs from all congeneric species mainly by the morphology of the accessory piece formed by a single plate of saccular appearance. Cosmetocleithrum basicomplexum also shares morphological characters with Cosmetocleithrum gigas Morey, Cachique & Babilonia, 2019 considering the size of the body and shape of the anchors, but differs mainly in the morphology of the bars and hooks. Besides the new species, new data are presented for Cosmetocleithrum leandroi Soares, Neto & Domingues, 2018, C. akuanduba and C. confusus regarding morphological characteristics and biogeography.

查看原文本刊更多论文

从鲯鳅（绢鳅科）鳃片中发现的 Dactylogyrids（扁形动物，单基因），其中描述了 5 个 Cosmetocleithrum 新种以及巴西新热带地区已知物种的新地理分布

报道了寄生在新热带多拉鱼鳃丝上的五新种。本文报道了巴西马拉南奥州 o Luís市场上的一种短链月牙。摘要描述了巴西阿克里州juru河地区的黑背蝗(Oxydoras niger)。Cosmetocleithrum undulatum和Cosmetocleithrum brachyecis与Cosmetocleithrum falsunilatum Feronato, Razzolini, Morey & Boeger, 2022相似的主要是其独特的雄性交配器官(MCO)形态，而与这些和所有同属种不同的主要是其MCO、附属片和钩对的形态。Cosmetocleithrum ludovicense更接近于Cosmetocleithrum confusus Kritsky, Thatcher & Boeger(1986)和Cosmetocleithrum akuanduba Soares, Santos Neto & Domingues(2018)，但主要区别于配件的形态。sacciformme与所有同属种的不同之处在于其附片的形态，附片由单片的囊状外观形成。考虑到身体的大小和锚的形状，Cosmetocleithrum basicomplexum与Cosmetocleithrum gigas Morey, Cachique & Babilonia, 2019也具有相同的形态特征，但主要区别在于杆和钩的形态。除新种外，还介绍了Cosmetocleithrum leandroi Soares, Neto & Domingues, 2018, C. akuanduba和C. confusus的形态特征和生物地理方面的新资料。

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来源期刊

Parasite 医学-寄生虫学

CiteScore

5.50

自引率

6.90%

发文量

审稿时长

3 months

期刊介绍： Parasite is an international open-access, peer-reviewed, online journal publishing high quality papers on all aspects of human and animal parasitology. Reviews, articles and short notes may be submitted. Fields include, but are not limited to: general, medical and veterinary parasitology; morphology, including ultrastructure; parasite systematics, including entomology, acarology, helminthology and protistology, and molecular analyses; molecular biology and biochemistry; immunology of parasitic diseases; host-parasite relationships; ecology and life history of parasites; epidemiology; therapeutics; new diagnostic tools. All papers in Parasite are published in English. Manuscripts should have a broad interest and must not have been published or submitted elsewhere. No limit is imposed on the length of manuscripts, but they should be concisely written. Papers of limited interest such as case reports, epidemiological studies in punctual areas, isolated new geographical records, and systematic descriptions of single species will generally not be accepted, but might be considered if the authors succeed in demonstrating their interest.