Lycodon chapaensis (ANGEL & BOURRET, 1933)
Can you confirm these amateur observations of Lycodon chapaensis?
Lycodon chapaensis
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | E: Namdong Wolf Snake G: Namdong Wolfszahnnatter Vietnamese: Rắn khuyết nam động |
| Synonym | Dinodon septentrionale chapaense ANGEL & BOURRET 1933: 131 Dinodon septentrionale chapaense — BOURRET 1935: 6 Dinodon septentrionale var. chapaense — DEUVE 1961: 16 Dinodon septentrionale — ZHAO & YANG 1997 Dinodon septentrionale — ZHAO et al. 1998 Dinodon septentrionale — HE & ZHOU 2002 Dinodon septentrionale — ZHAO, 2006 Dinodon septentrionale — YANG & RAO 2008 Lycodon septentrionalis — SILER et al. 2013 Lycodon septentrionalis — GUO et al. 2013 Lycodon septentrionalis — CAI et al. 2015 (in part) Lycodon septentrionalis — JIANG et al. 2016 Lycodon cf. septentrionalis — YANG et al. 2019 Lycodon namdongensis LUU, ZIEGLER, HA, LE & HOANG 2019 Lycodon septentrionalis — WANG et al., 2020 Lycodon chapaensis — WANG et al. 2020 |
| Distribution | Vietnam (Thanh Hoa), China (Yunnan) Type locality: 20 km SW of Lao-Kay (=Lao Cai), Tonkin, Vietnam namdongensis: Type locality: karst forest, Nam Dong Nature Reserve, Quan Son District, Thanh Hoa Province, Vietnam (20°18.298’N; 104°54.776’E, at an elevation of 616 m a.s.l.) |
| Reproduction | |
| Types | Holotype: MNHN-RA-1933.0011, adult female. Collected by Bourret R. on 01 July 1931. Holotype: VNUF R.2017.23 (field number: TT 17.23), adult male, collected on 13 June 2017 by Vinh Quang Luu, Nghia Van Ha, Oanh Van Lo, and Ngoan Van Ha [namdongensis] |
| Diagnosis | Diagnosis: Lycodon namdongensis sp. nov is characterized by the following morphological characters: dorsal scales in 17−17−15 rows, all smooth; supralabials 8; infralabials 10; one large loreal on each side, separated from the eye; cloacal plate single; ventral scales 218 (plus two preventral scales); subcaudals 85; a total length of 723 mm in the single male; tail / total length ratio 0.205; dorsal head pattern whitish grey; dorsal surface of body with 23 narrowed greyish cream bands; dorsal surface of tail with 14 cream bands; ventral surface of body mostly cream with a few dark spots posteriorly; ventral surface of tail dark grey. |
| Comment | Habitat: ground near shrubs in secondary karst forest. NCBI taxonID: 2546291 [namdongensis] |
| Etymology | The species name is derived from the type locality of this species (Chapa, = Sa Pa, in Lao Cai Province of Vietnam). |
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