Abstract
Molecular phylogeny of crocidurine shrews (Insectivora, Soricidae) in northeastern Asia was investigated to confirm the taxonomic status of unidentified specimens ofCrocidura from Cheju Island, South Korea. Phylogenetic trees were constructed by neighbor-joining (NJ) and maximum likelihood (ML) methods, based on mitochondrial cytochromeb gene sequences (402 base pairs) of 37 individuals of seven crocidurine species and three unidentified specimens from 31 localities mainly in northeastern Asia. Phylogenetic position of the three unidentified specimens from Cheju Island were compared with those of Suncus murinus,C. attenuata, C. dsinezumi, C. lasiura, C. sibirica, C. suaveolens, andC. watasei. Both in NJ and ML trees, the three unidentified specimens were included in the cluster ofC. dsinezumi and were obviously different fromC. suaveolens on Cheju Island. Thus, the present investigation demonstrated that bothC. suaveolens andC. dsinezumi exist on Cheju Island.
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