A New Host Record for Clinostomum cf. marginatum (Trematoda: Digenea: Clinostomidae) from the Endemic Salado Salamander, Eurycea chisholmensis (Caudata: Plethodontidae), from the Edwards Plateau, Texas, U.S.A.

IF 0.4 4区医学 Q4 PARASITOLOGY

Comparative Parasitology Pub Date : 2021-06-02 DOI:10.1654/1525-2647-88.1.76

C. T. McAllister, Zachary C. Adcock, Andrea Villamizar-Gomez, Ryan M. Jones, M. Forstner

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引用次数: 0

Abstract

ABSTRACT: Macroscopic examination of 622 Salado salamanders, Eurycea chisholmensis Chippindale, Price, Wiens and Hillis, 2000, collected between June 2018 and July 2020 from 3 springs in Williamson County, Texas, U.S.A., revealed the presence of encapsulated metacercariae of Clinostomum cf. marginatum (“yellow grub”) in 3 (0.5%) hosts. Two of these 3 salamanders were examined and released unharmed per permit requirements, but 1 was found dead, and it harbored 6 total metacercariae, 4 on the head region (including 1 behind the left eye), 1 near the left front leg, and 1 in the tail. Morphological identification of C. cf. marginatum was achieved by comparison to previous accounts. Molecular identification was accomplished by comparing sequence homology and phylogenetic analysis using an 828 base pair partial sequence of the internal transcribed spacer region. This is the first report of any parasite from E. chisholmensis, a federally threatened species.

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产于美国得克萨斯州爱德华高原的独特萨拉多萨拉曼德（Eurycea chisholmensis，Caudata:Plethodontidae）的唇口菌的新宿主记录。

摘要:2018年6月至2020年7月，在美国德克萨斯州威廉森县的3个春季采集的622只Salado蝾螈(Eurycea chisholmensis Chippindale, Price, Wiens和Hillis)进行宏观检查，发现3(0.5%)寄主体内存在Clinostomum cf. marginatum(“黄蛴螬”)包囊性囊蚴。根据许可要求，这3只蝾螈中的2只被检查并毫发无损地释放，但其中1只被发现死亡，总共有6个囊蚴，4个在头部区域(包括左眼后面)，1个在左前腿附近，1个在尾巴上。通过与以往文献的比较，获得了毛蚶的形态鉴定。利用内部转录间隔区828碱基对部分序列进行序列同源性比较和系统发育分析，完成分子鉴定。这是第一次报告来自联邦濒危物种奇泽门绦虫的寄生虫。

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来源期刊

Comparative Parasitology 医学-动物学

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Comparative Parasitology (continuing the Journal of the Helminthological Society of Washington in its 67th volume) focuses on parasitological research of a comparative nature, emphasizing taxonomy, systematics, ecology, biogeography, evolution, faunal survey, and biological inventory within a morphological and/or molecular context. The scope of Comparative Parasitology extends to all parasitic faunas, including helminths, protistans and arthropods.