A new quadrannulate species of Orobdella (Hirudinida, Arhynchobdellida, Orobdellidae) from central Honshu, Japan

By

Nakano, Takafumi

Type

Article

Date of Publication

2014

Original Publication

ZooKeys

Volume

445

Pages

57-76

Subjects

gastroporous , Hirudinea , Hirudinida , Japan , molecular phylogeny , new species , Orobdella

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.445.7999

 

Abstract

A new quadrannulate species of Orobdella, Orobdella masaakikuroiwai sp. n., from the mountainous region of central Honshu, Japan is described. This is only the second small species known within this genus, with a body length of less than 4 cm for mature individuals. Phylogenetic analyses using nuclear 18S rDNA and histone H3 as well as mitochondrial COI, tRNACys, tRNAMet, 12S, tRNAVal, 16S, and ND1 markers showed that O. masaakikuroiwai sp. n. is the sister species of the quadrannulate O. whitmani Oka, 1895. Phylogenetic relationships within O. masaakikuroiwai sp. n. conducted using mitochondrial markers reveled a distinction between eastern and western phylogroups.