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Issue: Vol. 4514 No. 1: 6 Nov. 2018
Type: Article
Published: 2018-11-05
DOI: 10.11646/zootaxa.4514.1.5
Page range: 65–76
Abstract views: 64
PDF downloaded: 94

Description of Enterobius (Colobenterobius) emodensis sp. n. (Nematoda: Oxyuridae) collected from Central Himalayan langur, Semnopithecus schistaceus, in Uttarakhand, India

Department of Biomedicine / Department of Infectious Disease Control, Faculty of Medicine, Oita University, Hasama, Yufu, Oita 879–5593, Japan.
Primate Research Institute, Kyoto University, Inuyama, Aichi 484-8506, Japan.
Department of Parasitology, Asahikawa Medical University, Asahikawa, Hokkaido 078-8510, Japan.
Primate Research Institute, Kyoto University, Inuyama, Aichi 484-8506, Japan.
Nematoda Pinworm Primates Coevolution Phylogeny Cox1

Abstract

A new pinworm species, Enterobius (Colobenterobius) emodensis sp. n. (Nematoda: Oxyuridae) is described from the Central Himalayan langur, Semnopithecus schistaceus, in Mandal Valley, Chamoli District, Uttarakhand, India, based on mature and immature adults and fourth-stage larvae. This species closely resembles Enterobius (Colobenterobius) zakiri parasitic in Tarai langur, Semnopithecus hector, recorded from Uttarakhand and Uttar Pradesh, India, but is readily distinguished by having a shorter esophagus and a shorter spicule. It is surmised that this pinworm has co-speciated with the host langur. The new species is also characterized in that the posterior 1/3 of the esophageal corpus is much darker. Phylogenetic analysis based on the sequences of partial Cox1 gene of mtDNA suggested a basal position of diversification of Colobenterobius from the Enterobius lineage.

 

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