TABLE 1. Selected diagnostic characters for species in the genus Rhabdophis. Grey shading indicates non-overlapping characters when compared to Rhabdophis hmongorum sp. nov. Abbreviations defined in the materials and methods section. Ranges in number of dorsal scale rows and post ocular scales are given in parentheses. The total number of maxillary teeth is presented first followed by, where available, the number of teeth prior to the enlarged rear teeth plus the number of enlarged rear teeth presented in parentheses. SpeciesDSROuter dorsal scale rowVENSCPROPTOMTReferenceR. guangdongensis15–15–15smooth126391220(17+3)Zhu et al. 2014R helleri(17–18)19(21)–19– (15)17smooth157–17875–971(2)3(4)21–25(19–23+2)David and Vogel, 2021R. himalayanus19–19–17feebly keeled165–17182–882326(24+2)Piao et al. 2020R. lateralis19 at midbodykeeled or smooth144–18838–741–23–422–23(20–21+2)Yang et al. 2023R. leonardi17/18–17–15smooth145–15943–621–22–318–19(16–17+2)Yang et al, in pressR. lineatus19 at midbodystrongly keeled132–14266–712318(16+2)Piao et al. 2020R. murudensis19–19–15(17)feebly keeled176–18563–971323(21+2)Piao et al. 2020R. nigrocinctus19–19–17keeled or smooth150–17080–9713–428(26+2)Piao et al. 2020R. nuchalis15–15–15smooth144–16935–651318–22Piao et al. 2020R. pentasupralabialis15–15–15smooth135–16243–6412–318Piao et al. 2020R. plumbicolor23–27 at midbodystrongly keeled144–16027–4523–4no dataPiao et al. 2020R. rhodomelas19 at midbodystrongly keeled126–13641–561–23–4no dataPiao et al. 2020R. siamensis(17,18)19(21)–19– (16)17(18)smooth137–15665–891(2)(2)3(4)22–25(20–23+2)David and Vogel, 2021R. subminiatus(17)19(21)–19–17smooth132–14559–781324–27(22–25+2)David and Vogel, 2021R. swinhonis15–15–15weakly keeled or smooth124–16544–7412–319–23(17–21+2– 3)Piao et al. 2020R. tigrinus19–19–(15)17keeled or smooth144–18838–741–22–422–23(20–21+2)Piao et al. 2020

Published as part of Kane, Daniel, Tapley, Benjamin, La, Toi Van & Nguyen, Luan Thanh, 2023, A new species of the genus Rhabdophis Fitzinger, 1843 (Squamata: Colubridae) from the Hoang Lien range, northwest Vietnam, pp. 104 in Zootaxa 5343 (2) on page 104, DOI: 10.11646/zootaxa.5343.2.1, http://zenodo.org/record/8324220