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

Authors: Nakano, Takafumi Country: Japan DOI: 10.3897/zookeys.445.7999 Published: Jan. 1, 2014 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Hirudinea · Topics: Legionella and Acanthamoeba research, Fecal contamination and water quality, Urban Stormwater Management Solutions

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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.

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