New species of Aspiculuris (Nematoda: Heteroxynematidae), parasite of Mus musculus (Rodentia: Muridae), from Hidalgo, Mexico Una nueva especie de Aspiculuris (Nematoda: Heteroxynematidae), parásito de Mus musculus (Rodentia: Muridae), de Hidalgo, México

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 spe...

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Bibliographic Details
Main Authors: Jorge Falcón-Ordaz, Griselda Pulido-Flores, Scott Monks
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México 2010-12-01
Series:Revista Mexicana de Biodiversidad
Subjects:
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1870-34532010000300008
Description
Summary: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.<br>Se describe una especie nueva, Aspiculuris huascaensis n. sp., proveniente del intestino de Mus musculus de 2 localidades de Hidalgo, México. Esta especie cuenta con 1 ala cervical interrumpida abruptamente formando un ángulo agudo; con base en este carácter, la especie nueva se distingue de 5 de las 17 especies que contiene el género. De 11 especies más, A. huascaensis n. sp. se diferencia por el ángulo agudo que forma el ala cervical y porque ésta finaliza a la mitad de la longitud del bulbo esofágico. Aspiculuris huascaensis n. sp. se asemeja a A. tetraptera por la terminación del ala cervical. Sin embargo, puede distinguirse de dicha especie por el número de papilas caudales (12 vs. 14), por la presencia de una papila precloacal sésil entre 2 pliegues cuticulares y por una papilla sencilla detrás de la cloaca.
ISSN:1870-3453