A New Species of Sucking Louse from the Long-Tailed Ground Squirrel, Urocitellus undulatus, from Mongolia, with a Key to Species, and a Review of Host Associations and Geographical Distributions of Members of the Genus Linognathoides

Publication Type:Journal Article
Year of Publication:2019
Authors:L. A. Durden, Robinson, C., Cook, J. A., McLean, B. S., Nyamsuren, B., Greiman, S. E.
Journal:Journal of Parasitology
Volume:105
Issue:3
Pagination:469 - 479
Date Published:June 2019
Keywords:dichotomous key, geographical distributions, Host associations, Mongolia, new species
Abstract:

Full title of the paper: A New Species of Sucking Louse from the Long-Tailed Ground Squirrel, Urocitellus undulatus, from Mongolia, with a Key to Species, and a Review of Host Associations and Geographical Distributions of Members of the Genus Linognathoides (Psocodea: Anoplura: Polyplacidae)

Members of the genus Linognathoides are ectoparasites of ground squirrels and marmots (Rodentia: Sciuridae) in the Nearctic, Palearctic, and Afrotropical regions. Linognathoides urocitelli n. sp. is described based on adult male and female and third-instar nymphal specimens collected from the long-tailed ground squirrel (Urocitellus undulatus) in Mongolia. The new species is compared morphologically to other members of the genus Linognathoides. Additionally, DNA sequences of a 610–base pair (bp) fragment of the nuclear 18S rDNA gene, a 452-bp fragment of the mitochondrial 12S rrnS gene, and a 363-bp fragment of the mitochondrial 16S rrnL gene are provided. Host associations and geographical distributions of the 11 previously recognized species of the genus, and of Linognathoides urocitelli n. sp., are reviewed. A dichotomous identification key to adults of all known species in the genus Linognathoides is provided.

URL:https://bioone.org/journals/journal-of-parasitology/volume-105/issue-3/18-198/A-New-Species-of-Sucking-Louse-from-the-Long-Tailed/10.1645/18-198.full
DOI:10.1645/18-198
Short Title:Journal of Parasitology
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