Bot Fly Parasitism of Allegheny Woodrats (Neotoma magister) in Virginia

IF 0.6 4区 环境科学与生态学 Q4 Agricultural and Biological Sciences
Karen E. Powers, M. T. Mengak, R. R. Sheehy, W. Ford, R. Reynolds
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引用次数: 2

Abstract

Abstract. The Allegheny woodrat (Neotoma magister) is a species of high conservation concern and relatively well-studied with respect to habitat use/associations, food habits, conservation genetics, and population trends. However, with the exception of raccoon roundworm (Baylisascaris procyonis) occurrence and etiology in woodrats, most disease and parasite ecology aspects for the woodrat are unknown. Herein, we examined the prevalence of bot flies (Cuterebra) over nearly three decades of woodrat surveys (1990–2018) in the central Appalachian Mountains of western Virginia. We use genetic analyses to identify recent bot fly specimen collections from a woodrat captured in 2017. Though highly variable from year to year, the overall prevalence of parasitism was low (typically < 4% of captures). As such, bot flies do not appear to be a widespread parasitic burden to Allegheny woodrats in Virginia. Genetic analysis of four collected bot fly larvae was inconclusive, as the genetic signature of these woodrat bots did not match any of the six bot species known to parasitize rodents and lagomorphs in the eastern United States. Further collections and genetic analyses will be needed to determine if the genetic database is incomplete or incorrect, or if our find is a new species of bot fly not yet taxonomically recognized.
维吉尼亚州阿勒格尼木鼠(Neotoma magister)蝇蛆寄生
摘要阿勒格尼木鼠(Neotoma magister)是一种备受保护的物种,在栖息地使用/关联、饮食习惯、保护遗传学和种群趋势方面进行了相对深入的研究。然而,除了浣熊蛔虫(Baylisascaris procyonis)在大白鼠中的发生和病因外,大白鼠的大多数疾病和寄生虫生态学方面都是未知的。在此,我们调查了在弗吉尼亚州西部阿巴拉契亚山脉中部近三十年的木鼠调查(1990-2018)中,机器人蝇(Cuterebra)的流行情况。我们使用基因分析来确定最近从2017年捕获的一只林鼠身上采集的机器人苍蝇标本。尽管每年都有很大的变化,但寄生的总体流行率很低(通常<捕获的4%)。因此,机器人苍蝇似乎并不是弗吉尼亚州阿勒格尼伍德鼠的广泛寄生负担。对收集到的四只虫蝇幼虫的基因分析没有结论,因为这些木鼠机器人的基因特征与美国东部已知寄生在啮齿动物和泻湖中的六种机器人物种中的任何一种都不匹配。还需要进一步的收集和基因分析,以确定基因数据库是否不完整或不正确,或者我们的发现是否是一种尚未被分类识别的新物种。
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来源期刊
American Midland Naturalist
American Midland Naturalist 环境科学-生态学
CiteScore
1.20
自引率
0.00%
发文量
38
审稿时长
18-36 weeks
期刊介绍: The American Midland Naturalist has been published for 90 years by the University of Notre Dame. The connotations of Midland and Naturalist have broadened and its geographic coverage now includes North America with occasional articles from other continents. The old image of naturalist has changed and the journal publishes what Charles Elton aptly termed "scientific natural history" including field and experimental biology. Its significance and breadth of coverage are evident in that the American Midland Naturalist is among the most frequently cited journals in publications on ecology, mammalogy, herpetology, ornithology, ichthyology, parasitology, aquatic and invertebrate biology and other biological disciplines.
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