Host Specificity in the Appalachian Leech Placobdella biannulata

IF 0.4 4区 医学 Q4 PARASITOLOGY Comparative Parasitology Pub Date : 2019-07-11 DOI:10.1654/1525-2647-86.2.161
R. Matthews, C. Simmons, Tyler L. Brock, E. Bewick, Kaitlin A. Norman, C. Camp
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引用次数: 1

Abstract

The Appalachian leech Placobdella biannulata is a presumed host generalist for an array of amphibian species. One species commonly parasitized by this leech is the salamander Desmognathus quadramaculatus because of its semiaquatic nature and relatively large size. We tested the null hypothesis that this leech species exhibits equal prevalence in large species of Desmognathus with the same level of aquatic tendency. We compared leech prevalence between D. quadramaculatus and sympatric Desmognathus folkertsi, which has the same extent of aquatic tendency. While smaller than D. quadramaculatus, D. folkertsi is still among the largest members of the genus. We found leech parasitism on 38/182 (21%) D. quadramaculatus from 2 different streams. Only 3 D. folkertsi out of 179 (<2%) from the same streams were parasitized. We concluded that the leech P. biannulata is more host specific than previously believed.
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阿巴拉契亚水蛭扁环水蛭寄主特异性研究
阿巴拉契亚水蛭被认为是一系列两栖动物物种的通才。通常被这种水蛭寄生的一种是菱角蝾螈,因为它的半水生性质和相对较大的体型。我们检验了原假设,即该水蛭种在具有相同水平的水生倾向的大型种中具有相同的流行率。我们比较了具有相同水化倾向程度的同域野田鼠和野田鼠的水蛭流行率。虽然比D. quadramaculatus小,但D. folkertsi仍然是该属中最大的成员之一。在2条不同的溪流中,有38/182(21%)被水蛭寄生。同一河流179株中仅有3株(<2%)被寄生。我们得出结论,水蛭比以前认为的更具寄主特异性。
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来源期刊
Comparative Parasitology
Comparative Parasitology 医学-动物学
CiteScore
1.00
自引率
0.00%
发文量
16
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.
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