New species of Heteromyoxyuris A new species of Heteromyoxyuris (Nematoda: Oxyuridae), parasite of Dipodomys spp. (Rodentia: Heteromyidae) from Mexico
DOI:
https://doi.org/10.22201/ib.20078706e.2025.96.5585Keywords:
Chihuahua, Guanajuato, Semi-arid regions, Heteromyoxyuris garciaprietoi n. sp., Dipodomys spp., ParasitesAbstract
A new species of Heteromyoxyuris, parasitic on the caecum of Dipodomys merriami and Dipodomys ordii from the Mexican Plateau, is described and illustrated. This species differs from the other 3 species by the absence of lateral alae in both sexes and resembles males of Heteromyoxyuris deserti by the presence of a pair of caudal cuticular inflations. The distribution of the 4 species of Heteromyoxyuris coincides with the geographical distribution of the heteromyid rodent subfamilies Dipodomyinae and Perognathinae across the deserts and arid lands of USA and Mexico. A key to the species of Heteromyoxyuris is provided. Heteromyoxyuris garciaprietoi n. sp. is the fourth species described for the genus and the second described for Mexico.
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