A new species of Trichuris Roederer, 1761 (Nematoda: Trichuridae) from Heteromys gaumeri Allen & Chapman (Rodentia: Heteromyidae) in Yucatan, Mexico

In Mexico, four species of Trichuris Roederer, 1761 have been recorded in wild rodents belonging to the family Heteromyidae. In the present paper, we describe a new species based on specimens collected from Heteromys gaumeri Allen & Chapman (Heteromyidae: Heteromyinae) in the tropical forests of...

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Bibliographic Details
Published in:Systematic parasitology 2016-09, Vol.93 (7), p.721-730
Main Authors: Panti-May, Jesús Alonso, Robles, María del Rosario
Format: Article
Language:English
Subjects:
Agriculture
Animal Anatomy
Animal Ecology
Animal Systematics/Taxonomy/Biogeography
Animals
Biomedical and Life Sciences
Female
Heteromyidae
Histology
Life Sciences
Male
Mexico
Microscopy, Electron, Scanning
Morphology
Nematoda
Rodentia
Rodentia - parasitology
Species Specificity
Trichuridae
Trichuris - anatomy & histology
Trichuris - classification
Trichuris - ultrastructure
Zoology
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Summary:In Mexico, four species of Trichuris Roederer, 1761 have been recorded in wild rodents belonging to the family Heteromyidae. In the present paper, we describe a new species based on specimens collected from Heteromys gaumeri Allen & Chapman (Heteromyidae: Heteromyinae) in the tropical forests of the Yucatan Peninsula, Mexico. Trichuris silviae n. sp. can be differentiated from the congeners described in North and South American rodents by morphological and morphometric features, such as the possession of a wide spicular tube, a thicker proximal cloacal tube, a shorter distal cloacal tube and a cylindrical spicular sheath. This is the first description of a Trichuris spp. from heteromyid rodents in Mexico and the fourth in North America. Despite the broad distribution of Heteromys spp., few cases of Trichuris infection have been reported. Further studies are necessary to verify if the new species is present in other heteromyid rodents in order to increase our knowledge about its geographical and host distribution.
ISSN:0165-5752
1573-5192
DOI:10.1007/s11230-016-9656-6