Moravec F, Kohn A, Fernandes B M
Institute of Parasitology, Czechoslovak Academy of Sciences, Ceské Budĕjovice.
Folia Parasitol (Praha). 1990;37(2):131-40.
Large numbers of anisakid nematodes identified as Raphidascaris (Sprentascaris) hypostom (Petter et Cassone, 1984) were collected from the stomach and intestine of armoured catfishes P leco stomus albopunctatus, P. commersoni, P. derbyi, and Ancistrus cirrhosus (all representing new host records) from the three water reservoirs, Salto Osório, Salto Santiago and Passo Fundo, in southern Brazil. Another closely related species, R. (S.) mahnerti (Petter et Cassone, 1984), was recorded from the intestine of the armoured catfish Loricaria laticeps of the Paraná River. Since these are the first records of these parasites since their original descriptions, they are briefly redescribed and illustrated. The genus Sprentascaris Petter et Cassone, 1984, in which both these species were originally placed, is now considered only a subgenus of Raphidascaris Railliet et Henry, 1915 and, therefore, all Sprentascaris species are transferred to the latter genus as Raphidascaris (Sprentascaris) mahnerti (Petter et Cassone, 1984) comb. n., R. (S.) pimelodi (Petter et Cassone, 1984) comb. n., and R. (S.) hypostomi (Petter et Cassone, 1984) comb. n.
从巴西南部的三个水库，即萨尔图奥索里奥、萨尔图圣地亚哥和帕索丰杜的甲鲶（Plecostomus albopunctatus、P. commersoni、P. derbyi和Ancistrus cirrhosus，所有这些都是新的宿主记录）的胃和肠道中收集到大量被鉴定为下唇斯氏蛔线虫（Raphidascaris (Sprentascaris) hypostom，彼得和卡索尼，1984年）的异尖线虫。另一种密切相关的物种，即马氏斯氏蛔线虫（R. (S.) mahnerti，彼得和卡索尼，1984年），是从巴拉那河的宽头纹胸鮡的肠道中记录到的。由于这些是这些寄生虫自最初描述以来的首次记录，因此对它们进行了简要的重新描述和图示。1984年最初放置这两个物种的斯氏蛔线虫属（Sprentascaris Petter et Cassone），现在仅被视为雷耶尔和亨利1915年的斯氏蛔线虫属（Raphidascaris）的一个亚属，因此，所有斯氏蛔线虫物种都被转移到后一个属，即马氏斯氏蛔线虫（Raphidascaris (Sprentascaris) mahnerti，彼得和卡索尼，1984年）新组合、皮氏斯氏蛔线虫（R. (S.) pimelodi，彼得和卡索尼，1984年）新组合和下唇斯氏蛔线虫（R. (S.) hypostomi，彼得和卡索尼，1984年）新组合。
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