Resumo

FALCON-ORDAZ, Jorge; PULIDO-FLORES, Griselda  e  MONKS, Scott. New species of Aspiculuris (Nematoda: Heteroxynematidae), parasite of Mus musculus (Rodentia: Muridae), from Hidalgo, Mexico. Rev. Mex. Biodiv. [online]. 2010, vol.81, n.3, pp.669-676. ISSN 2007-8706.

Aspiculuris huascaensis n. sp. was found in the intestine of Mus musculus collected from 2 localities in Hidalgo, Mexico, and is described herein. The new species possesses cervical alae abruptly interrupted at mid-length of esophageal bulb form an acute angle, distinguishing it from 5 of the 17 species in the genus. The new species is differentiated from 11 of the remaining species by having cervical alae that form an acute angle and end at mid-length of the esophageal bulb. Aspiculuris huascaensis n. sp. most closely resembles A. tetraptera in the position of the terminal end of the cervical alae. However, the new species can be distinguished from that species by the number of caudal papillae (12 vs. 14), the presence of a sessile precloacal papilla between 2 cuticular folds, and by having a single pedunculate papilla located slightly posterior to the cloaca.

Palavras-chave : Aspiculuris huascaensis n. sp.; Mus musculus; Mexico; Hidalgo.

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