首页> 外文期刊>Comparative parasitology >Revisiting Echinorhynchid Acanthocephalans in Lake Baikal with the Use of Scanning Electron Microscopy, with some Taxonomic Reconsiderations
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Revisiting Echinorhynchid Acanthocephalans in Lake Baikal with the Use of Scanning Electron Microscopy, with some Taxonomic Reconsiderations

机译:使用扫描电子显微镜和一些分类学上的考虑,重新审视贝加尔湖的棘皮棘突棘动物

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摘要

Ten species of acanthocephalans are known from 30 species of fish in Lake Baikal. Three species in the family Echinorhynchidae were studied and reported: (1) Echinorhynchus salmonis Muller, 1784 (= Metechinorhynchus salmonis (Muller 1784) Petrochenko, 1956), previously designated as Echinorhynchus salmonis baicalensis Bogolepova, 1957 (actually Dogiel and Bogolepova, 1957) that we consider invalid. Echinorhynchus s. baicalensis was studied from whitefish Coregonus lavaretus (Linnaeus, 1758) (Family Salmonidae) in Chivyrkui Bay and from Kessler's (sand) sculpin Leocottus kesslerii (Dybowski, 1874) (Family Cottocomephoridae) at Goryachinsk on the eastern shore of Lake Baikal in Pribaikalsk District, Republic of Buryatia. Our scanning electron microscopy observations demonstrate miniapical proboscis hooks, hooks with dorsal indentation, 2 anteroventral trunk bumps, and variable position of male and female gonopores, for the first time. (2) Echinorhynchus cinctulus (Porta, 1905) Amin, 2013 (=Pseudoechinorhynchus borealis (von Linstow, 1901) Petrochenko, 1956) was studied from burbot, Lota lota (Linnaeus, 1758) (Family Lotidae) in Chivyrkui Bay and Khankh. The thorny hooks, inconsistencies in proboscis armature, hook size, dermal micropores, and position of male and female gonopores are reported. (3) Echinorhynchus truttae Schrank, 1788 (= Metechinorhynchus truttae (Schrank, 1788) Petrochenko, 1956) was studied from L. kesslerii in Goryachinsk. Features of the proboscis, hooks, female gonopore, dermal micropores, and eggs are presented.
机译:在贝加尔湖的30种鱼类中,已知十种棘头动物。研究并报道了棘皮hy科中的三个物种:(1)棘皮棘皮Mul鱼Muller,1784年(= Metechinorhynchus鲑鱼皮毛(Muller 1784年),彼得罗琴科,1956年),以前被命名为棘皮棘皮ba鱼baicalensis Bogolepova,1957年(实际上是Dogiel和Bogolepova,1957年)我们认为无效。棘刺hy黄ical是从奇维库伊湾的白鲑Coregonus lavaretus(Linnaeus,1758)(鲑科)和Kessler's sculpin Leocottus kesslerii(Dybowski,1874)(Cottocomephoridae家族)在东岸湖的Goryachink研究的布里亚特共和国。我们的扫描电子显微镜观察首次显示了微型根尖喙钩,背凹形钩,两个前腹主干隆起以及雄性和雌性淋巴孔的位置可变。 (2)刺柏(Porta,1905)阿明(2013)(= Pseudoechinorhynchus borealis(von Linstow,1901)Petrochenko,1956)是在奇维库伊湾和汉卡的Burbot,Lota lota(Linnaeus,1758)(家族Lotidae)研究的。据报道棘手的钩子,长鼻衔铁的不一致,钩子的大小,真皮微孔以及雄性和雌性淋巴孔的位置。 (3)从Goryachinsk的L. kesslerii研究了1788年的Echinorhynchus truttae Schrank(= Metechinorhynchus truttae(Schrank,1788年,彼得罗琴科,1956年))。提出了长鼻,钩,雌性淋巴孔,真皮微孔和卵的特征。

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