对全北极黑点线虫科的分子重建发现了一新种(线虫纲:黑点线虫科

IF 1.8 3区环境科学与生态学 Q2 BIODIVERSITY CONSERVATION

Systematics and Biodiversity Pub Date : 2022-05-25 DOI:10.1080/14772000.2022.2046199

Haitham Alnaqeb, S. Greiman, K. Vandegrift, M. Campbell, Shawn Meagher, F. Jiménez

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引用次数: 1

摘要

从加拿大西部鹿鼠身上收集的线虫，Peromyscus maniculatus，提出一新种Heligmosomoides Hall, 1916。该物种的明确诊断特征是存在两个内部法氏囊膜。只有大球蛾、道格拉斯蛾、山蛾和范氏蛾4种具有单一内法囊膜。bibullosus sp. nov.与其推定的姐妹分支Heligmosomoides vandergrifti .的遗传距离与落基山脉和4000 km的地理间隔一致;形态差异以及地理和遗传距离都表明这两个物种之间存在隔离。此外，bibullosus sp. 11感染鹿鼠(P. maniculatus)，而H. vandergrifti经常在白足鼠(P. leucopus)中收集。最后，本研究支持单食/双食状态作为Heligmosomoides科的诊断特征在分类学上的重要性，并揭示了新北极地区Heligmosomoides科中未记载的多样性。目前的分类群是啮齿动物亚科成员中的第三种。http://www.zoobank.org/urn:lsid:zoobank.org:pub:DE78368D-2CDE-4F9D-AB85-A3CE20D957F4

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A molecular reconstruction of holarctic Heligmosomidae reveals a new species of Heligmosomoides (Nematoda: Heligmosomidae) in Peromyscus maniculatus (Neotominae) from Canada

A new species of Heligmosomoides Hall, 1916 is proposed for nematodes collected from deer mice, Peromyscus maniculatus, in western Canada. The unequivocal diagnostic character for this species is the presence of two internal bursal membranes. Only four species, Heligmosomoides bullosus, Heligmosomoides douglasi, Heligmosomoides montanus and Heligmosomoides vandegrifti, are characterized as possessing a single internal bursal membrane. The genetic distance between Heligmosomoides bibullosus sp. nov., and its putative sister clade Heligmosomoides vandegrifti is congruent with their geographic separation by the mountain range of the Rockies and 4000 km; both morphological difference as well as geography and genetic distance suggest isolation among the two species. Further, H. bibullosus sp. nov. infects deer mice (P. maniculatus) whereas H. vandegrifti is frequently collected in white-footed mice (P. leucopus). Finally, this study supports the taxonomic importance of the monodelphic/didelphic condition as a diagnostic trait within the family, the paraphyly of Heligmosomoides, and reveals undocumented diversity of Heligmosomoides in Nearctic rodents of the Neotominae. The present taxon is the third species in members of this subfamily of rodents. http://www.zoobank.org/urn:lsid:zoobank.org:pub:DE78368D-2CDE-4F9D-AB85-A3CE20D957F4

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来源期刊

Systematics and Biodiversity 环境科学-生物多样性保护

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

>24 weeks

期刊介绍： Systematics and Biodiversity is devoted to whole-organism biology. It is a quarterly, international, peer-reviewed, life science journal, without page charges, which is published by Taylor & Francis for The Natural History Museum, London. The criterion for publication is scientific merit. Systematics and Biodiversity documents the diversity of organisms in all natural phyla, through taxonomic papers that have a broad context (not single species descriptions), while also addressing topical issues relating to biological collections, and the principles of systematics. It particularly emphasises the importance and multi-disciplinary significance of systematics, with contributions which address the implications of other fields for systematics, or which advance our understanding of other fields through taxonomic knowledge, especially in relation to the nature, origins, and conservation of biodiversity, at all taxonomic levels. The journal does not publish single species descriptions, monographs or applied research nor alpha species descriptions. Taxonomic manuscripts must include modern methods such as cladistics or phylogenetic analysis.