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首页> 外文期刊>Journal of Parasitology >A NEW SPECIES OF HYSTEROTHYLACIUM (NEMATODA: ANISAKIDAE) FROM THE STOMACH OF THE RED-SPOTTED NEWT, NOTOPHTHALMUS VIRIDESCENS, FROM PENNSYLVANIA FISHLESS PONDS
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A NEW SPECIES OF HYSTEROTHYLACIUM (NEMATODA: ANISAKIDAE) FROM THE STOMACH OF THE RED-SPOTTED NEWT, NOTOPHTHALMUS VIRIDESCENS, FROM PENNSYLVANIA FISHLESS PONDS

机译：从红点NEW的气孔，到宾夕法尼亚州无鱼塘的气孔的一新属的扁线虫（线虫：ANISAKIDAE）

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摘要

Species of Hysterothylacium Ward & Magath, 1917 (Nematoda: Anisakidae) have previously been reported only from marine and freshwater fishes. Here, we describe a new species that infects red-spotted newts (Notophthalmus viridescens), a North American amphibian species with fully aquatic adults. Aside from the unique characteristic of infecting an amphibian host, the new species differs from congeners by the presence of lateral alae, the length of intestinal cecum (0.54–0.73 mm, 39.67–49.09% of esophageal length), the size of the spicules (0.33–0.39 mm, 2.75–3.25% of body length), and the absence of tail tip ornamentation. The absence of fish in the ponds from which these specimens were obtained suggests that newts are the normal definitive host for this species. We suggest that this species might have diverged from a Hysterothylacium parasite of the freshwater fishes which usually live in close proximity with newts.
机译：以前仅报道了海洋和淡水鱼类中报道的Hysterothylaciumium Ward＆Magath，1917年的物种（线虫：Anisakidae）。在这里，我们描述了一种感染红点that（Notophthalmus viridescens）的新物种，这是一种具有完全水生成虫的北美两栖动物。除了感染两栖动物宿主的独特特征外，新物种与同种动物的不同之处还在于侧毛，肠盲肠的长度（0.54–0.73 mm，占食管长度的39.67–49.09％），针状体的大小（ 0.33–0.39毫米，体长的2.75–3.25％），并且没有尾尖装饰。从中获得这些标本的池塘中没有鱼类，这表明this是该物种的正常最终宿主。我们建议该物种可能与通常生活在new附近的淡水鱼类的hysterothylacium寄生虫有所不同。

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