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This red-tongued pit viper (Gloydius ussuriensis) inhabits the Korean Peninsula, including inland areas as well as Baengnyeongdo, Jeju-do, and Gapado Islands. However, the taxonomic status of Gloydius ussuriensis populations, including their subspecies classification, remains unclear, as few phylogenetic or taxonomic studies have compared inland and island populations. To address this gap, we analyzed 513 individuals sampled between 2018 and 2022. Mitochondrial DNA revealed two major lineages: (1) inland, Baengnyeongdo, and Chinese populations and (2) Jeju-do and Gapado populations. Nuclear DNA analysis (K=3) identified three genetic groups, namely, inland, Baengnyeongdo, and Gapado, whereas the Jeju do population exhibited an admixture of the inland and Gapado groups. Discriminant analysis of the 11 morphological traits indicated clear differences among the Baengnyeongdo, Gapado, Jeju-do, and inland populations. The snout-vent length was the longest in Baengnyeongdo and the shortest in the Gapado group.

The ecological niche overlap between the populations was low (PI=0.4075). Based on these findings, three subspecies have been identified: G. ussuriensis ussuriensis, G. ussuriensis baengnyeongensis, and G. ussuriensis jejuensis. The Tsushima Island pit viper (G. tsushimaensis) from Japan, although classified as a separate species, showed genetic and morphological similarities to the Jeju-do-Gapado group. Further phylogenetic and taxonomic studies are needed for G. ussuriensis island populations in southwestern Korea, which were not included in this study.

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기사명 저자명 페이지 원문 목차
New records of two Amphora taxa from Ulleungdo and Dokdo, Korea Yangrae Rho, Jong Seong Khim, Jinsoon Park p. 1-7
Taxonomic review of the genus Bembix (Hymenoptera: Crabronidae) in Korea Jeong-Kyu Kim p. 8-16
First record of the genus Lycaea (Amphipoda, Hyperiidea, Lycaeidae) from Ulleungdo Island, Korea, with description of newly recorded species, Lycaea pulex June Kim, Young-Hyo Kim p. 17-21
New records of eighteen invertebrate species from South Korea : ciliates, copepods, ostracods, rotifers, and oligochaetes Jeong Hyeon Yeo, Min Ok Song, Sung Joon Song, Ivana Karanovic, Pham Thi Minh Huyen, Jeoung Hee Lee, Jae-Ho Jung p. 22-37
Morphological and molecular characteristics of Calanopia minor (Calanoida, Pontellidae) from Dokdo Island in the East Sea, Korea Seunghan Lee, Jaehyun Kim, Wonchoel Lee p. 38-48
First record of the family Platyscelidae (Crustacea, Amphipoda, Hyperiidea) from Jeju Island, Korea, with description of newly recorded species, Tetrathyrus arafurae June Kim, Young-Hyo Kim p. 49-54
New records of ten species of the subfamily Ctenopelmatinae (Hymenoptera: Ichneumonidae) from South Korea Gyu Won Kang, Jong Wook Lee, Jin Kyung Choi p. 55-62
First record species of the genus Thrinax Konow (Hymenoptera, Tenthredinidae, Selandriinae) from South Korea Jin-Kyung Choi p. 63-67
Two species of Endotricha Zeller, 1897 (Lepidoptera, Pyralidae, Pyralinae) new to Korea Jae-Cheon Sohn p. 68-72
Research trends in Korean amphibian and reptile studies using text mining June Kim, Jaebeom Jeong, Sumin Lim, Ka Hyun Lee, Hyun Woo Jeon, Seok-Jun Son, Green Choi, Jihee Dang, Jongsung Lee, Sangdon Byeon, Min Seock Do, Hyung-Kyu Nam p. 73-82
Two new subspecies of the red-tongued pit viper Gloydius ussuriensis (Emelianov, 1929) (Viperidae, Crotalinae) in the Republic of Korea : genetics, morphology, and ecology Min Seock Do, Hye Sook Jeon, Yun Sun Lee, Hyung-Kyu Nam, Mu-Yeong Lee, Jung A Kim, Ji Hwa Jung, Yoonjee Hong, Myoung Chan Cha, Il Nam Kim ... [et al.] p. 83-116

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