New records and morphological characterization of digenetic trematodes infecting frogs (Ranidae) from Kurdistan Province, Iran

IF 1.1 4区生物学 Q4 ANATOMY & MORPHOLOGY

Zoomorphology Pub Date : 2024-02-28 DOI:10.1007/s00435-024-00644-9

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引用次数: 0

Abstract

Despite amphibians having the least number of families in comparison with other vertebrate classes, the digenean parasites within these host species are largely predominant. To date, no investigation has been conducted on the digenean fauna of frogs in western Iran. The helminths occurrence and morphological description of this study were analyzed for the first time. A total of 54 Levant water frogs, Pelophylax bedriagae, (n = 53), and a long-legged wood frog, Rana macronemis, (n = 1) were examined. Frogs harbor in total four digenean parasites. Three taxa were characterized based on morphological features as Gorgodera cf. asiatica, G. varsoniensis, and Pleurogenoides sp. within P. bedriagae, while Haematoloechus sp. was only found in R. macronemis. Pleurogenoides sp. exhibited a moderate prevalence (23%) and intensity (7.3 ± 6.3). Gorgodera cf. asictica can be distinguished from congeners based on the body and sucker size, the ovary and testes shape, and in G. varsoviensis by having lobulated caeca and transversely elongated testes. In addition, Pleurogenoides sp. mainly differs from all its congeners by the form of its body, genital apparatus shape and Y-shaped excretory vesicles. With regard to helminths in amphibians, the existing body of literature is extensive and complex. To accurately determine the species boundaries, both morphological and molecular data are needed. We report two new records of these parasites from the region.

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伊朗库尔德斯坦省感染蛙类（瘤蛙科）的新记录和形态特征

摘要尽管与其他脊椎动物类别相比，两栖动物的科数最少，但这些宿主物种体内的地衣寄生虫却在很大程度上占主导地位。迄今为止，还没有人对伊朗西部蛙类的寄生虫进行过调查。本研究首次对螺旋体的出现和形态描述进行了分析。本研究共检测了 54 只阆中水蛙（Pelophylax bedriagae，n = 53）和一只长腿林蛙（Rana macronemis，n = 1）。蛙类共寄生有四种二价寄生虫。根据形态特征，其中三个类群分别为 Gorgodera cf. asiatica、G. varsoniensis 和 Pleurogenoides sp.Pleurogenoides sp.表现出中等的流行率（23%）和强度（7.3 ± 6.3）。Gorgodera cf. asictica可根据体型和吸盘大小、子房和睾丸形状与同类区分开来，在G. varsoviensis中，可通过分叶状的盲肠和横向拉长的睾丸区分开来。此外，Pleurogenoides sp.与所有同类的主要区别在于其身体形态、生殖器形状和 Y 形排泄囊。关于两栖动物中的蠕虫，现有的文献既广泛又复杂。要准确确定物种界限，需要形态学和分子数据。我们报告了该地区关于这些寄生虫的两条新记录。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Zoomorphology 生物-动物学

CiteScore

2.20

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal publishes original research papers, reviews and method papers. While reviews should be designed as comparative surveys, summarizing the current knowledge from an evolutionary perspective, method papers should present new approaches or reviews on methods used in animal morphology. The research papers should be based on morphological investigation of invertebrates and vertebrates at the macroscopic, microscopic and ultrastructural level, including embryological studies.