Distribution extension of Aspiculuris americana parasite of Peromyscus difficilis in Hidalgo, México

Abstract

JFO). * Corresonding autorAs a part of an ongoing project to inventory the helminth parasites of rodents in México, 30 individuals of Aspiculuris americana were collected inhabiting the intestine from three specimens of the rock mouse Peromyscus difficilis, collected from Cerro Xihuingo, Municipality of Tepeapulco, Hidalgo State, México. This species of nematode parasite different species of the genus Peromyscus (P. gossypinus, P. leucopus, P. maniculatus, and P. floridanus) distributed from Yukon Territory in Canada to Florida in the United States of America. This is the first report of Aspiculuris americana in a Mexican endemic rodent, widening the known distribution of the species to the southern portion of the country.Como parte de un proyecto para inventariar los parásitos helmintos de roedores en México, se recolectaron 30 individuos de Aspiculuris americana que parasitan el intestino de tres especímenes del ratón de las rocas Peromyscus difficilis, recolectados en Cerro Xihuingo, Municipio de Tepeapulco, Estado de Hidalgo, México. Esta especie de nematodo parasita diferentes especies del género Peromyscus (P. gossypinus, P. leucopus, P. maniculatus y P. floridanus) distribuidas desde el territorio de Yukon en Canadá hasta Florida en los Estados Unidos de América. Este es el primer informe de Aspiculuris americana en un roedor endémico mexicano, ampliando la distribución conocida de la especie a la parte sur del país.

Aspiculuris mexicana n. sp. (Nematoda: Heteroxynematidae) parasite of Cricetidae rodents from Mexico, with a taxonomic key for the species of the genus

“…Aspiculuris mexicana n. sp. is the twentieth species described for the genus and the fourth recorded in Mexico (Pulido-Flores et al, 2019). To the best of our knowledge, this study constitutes the first record of a helminth parasitizing both species of mammals: M. oaxacensis and R. mexicanus.…”