Taxonomy of the Geomydoecus umbrini complex (Mallophaga, Trichodectidae) from Thomomys umbrinus (Rodentia, Geomyidae) in mexico

Publication Type:Journal Article
Year of Publication:1981
Authors:R. D. Price, Hellenthal R. A.
Journal:Annals of the Entomological Society of America
Volume:74
Issue:1
Pagination:37 - 47
Date Published:1981
Keywords:mtax, PHP
Abstract:

Eight specific and subspecific taxa of the Geomydoecus umbrini complex are described: G. umbrini Price and Emerson from 2 host subspecies in Sinaloa (type-host: T. u. parviceps); G. musculi n. sp. from 2 host subspecies in Sinaloa (type-host: T. u. musculus); G. cliftoni n. sp. and G. jaliscoensis n.sp. each from unidentified subspecies of T. umbrinus from Jalisco; G. extimi n. sp. and G. nayuritensis n. sp. each from T. u. extimus from Nayarit; G. welleri welleri n. sp. from 11 host subspecies from 9 Mexican states (type-host: T. u. chihuahuae); and G. w. multilineatus n. subsp. from 6 host subspecies from 5 Mexican states (type-host: T. u. zacatecae). Distinctions among taxa are shown using qualitative and quantitative characters and principal components analysis of quantitative characters. Discriminant functions for 2 or 3 characters are provided in instances where they are shown to offer enhanced differentiation over single characters. Keys are provided for the identification of these 8 taxa.

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