Rhabdophis pentasupralabialis JIANG & ZHAO, 1983

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Higher Taxa	Colubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	Chinese: 九龙颈槽蛇
Synonym	Rhabdophis nuchalis pentasupralabialis JIANG & ZHAO 1983 Natrix nuchalis pentasupralabialis JIANG, HU & ZHAO 1983 Rhabdophis nuchalis pentasupralabialis — INGER et al. 1990 Rhabdophis pentasupralabialis — ZHAO 1995 Rhabdophis pentasupralabialis — GUO et al. 1999 Rhabdophis pentasupralabialis — ZHAO 2006 Rhabdophis nuchalis pentasupralabialis — SANG et al. 2009 Rhabdophis pentasupralabialis — WALLACH et al. 2014: 636
Distribution	China (Sichuan Province: Jiulong Co, Yunnan)
Reproduction	oviparous
Types	Holotype: CIB 80110040, Male; 2750 m; Coll. E. M. Zhao; 7. 26, 1980
Diagnosis
Comment	Some species of this genus are venomous although we do not have information about this particular species. Rhabdophis pentasupralabialis has five supralabials where the 5th is the longest while the nominal R. nuchalis has six supralabials and 5th is the longest. The first two to three dorsal scale rows of the former taxon are smooth while only one row (rarely two) in the later one. The former taxon is shorter (500 mm) than the later (600 mm). Diet: earthworms and firefly larva (Yoshida et al. 2020). Distribution: see map in Nguyen & David 2023: Fig. 1.
References	Guo, P., F. J. Zhang, and Y. Y. Chen. 1999. Catalogue of type specimens of reptiles in the Herpetological Collections of Chengdu Institute of Biology,the Chinese Academy of Sciences. Asiatic Herpetological Research 8: 43~47 - get paper here Inger R F; Zhao E; Bradley Shaffer H; Guanfu Wu 1990. Report on a collection of amphibians and reptiles from Sichuan, China. Fieldiana: Zoology (No. 58) : i-iii, 1-24 - get paper here Jiang, YAO-MING, and ER-MI ZHAO. 1983. Studies on amphibians and reptiles of Mt. Gongga region, Sichuan, China. 3. A study of species-group nuchalis, genus Rhabdophis [in Chinese]. Acta Herpetol. Sinica, Chengdu, [new ser.], 2 (1): 59-62 - get paper here Li, C., Sun, Z.Y., Cai, Y.S., Liu, S.Y., Ran, J.H., Liu, Z.J., Wang, Y.Z. 2004. The Herpetofaunal Diversity in Jiuzhaigou National Nature Reserve, China. [in Chinese] Chinese Journal of Zoology, 39(2): 74–77 Nguyen, S.V., Ho, C.T. and Nguyen, T.Q. 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp. Nguyen, Tan Van & David, P. 2023. ON THE OCCURRENCE OF RHABDOPHIS LEONARDI (WALL, 1923) IN VIETNAM AND LAOS, WITH PRELIMINARY COMMENTS ON THE TAXONOMY AND DISTRIBUTION OF THE COMPLEX OF RHABDOPHIS NUCHALIS (SQUAMATA: SERPENTES: NATRICIDAE). Russian Journal of Herpetology 30 (4): 224 – 236 Qin, L., Bin, L., Xinhong, X., Yangmei, Z., & Peng, G. 2023. Genomic evidence sheds new light on phylogeny of Rhabdophis nuchalis (sensu lato) complex (Serpentes: Natricidae). Molecular Phylogenetics and Evolution, 107893 - get paper here Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp. Wang K, Lyu ZT, Wang J, Qi S, Che J 2022. Updated Checklist and Zoogeographic Division of the Reptilian Fauna of Yunnan Province, China. Biodiversity Science 30 (4): 21326, 1–31 - get paper here Wang, Kai; Jinlong Ren, Hongman Chen, Zhitong Lyu, Xianguang Guo Ke Jiang, Jinmin Chen, Jiatang Li, Peng Guo, Yingyong Wang, Jing Che 2020. The updated checklists of amphibians and reptiles of China. Biodiversity Science 28 (2): 189-218 - get paper here Yoshida, Tatsuya; Rinako Ujiie, View ORCID ProfileAlan H. Savitzky, Teppei Jono, Takato Inoue, Naoko Yoshinaga, Shunsuke Aburaya, Wataru Aoki, Hirohiko Takeuchi, Li Ding, Qin Chen, Chengquan Cao, Tein-Shun Tsai, Anslem de Silva, Dharshani Mahaulpatha 2020. Dramatic dietary shift maintains sequestered toxins in chemically defended snakes. PNAS 117 (11) 5964-5969 - get paper here Zhao, E.M. 2006. The snakes of China [in Chinese]. Hefei, China, Anhui Sience & Technology Publ. House, Vol. I, 372 pp., Vol. II (color plates), 280 pp. ZHU, GUANGXIANG; SHIJUN YANG, ALAN H. SAVITZKY, YUQI CHENG, AKIRA MORI, LI DING, DINGQI RAO & QIN WANG. 2022. Cryptic diversity and phylogeography of the Rhabdophis nuchalis group (Squamata: Colubridae). Molecular Phylogenetics and Evolution 166(107325). - get paper here
External links	IUCN Red List National Center for Biotechnology Information https://www.facebook.com/groups/stshc/posts/275535748004364/ Google images

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