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Lycodon truongi NGUYEN, DUONG, WOOD & GRISMER, 2022

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Truong’s wolf snake
Vietnamese: Rắn khuyết Trường 
SynonymLycodon truongi NGUYEN, DUONG, WOOD & GRISMER 2022 
DistributionVietnam (Khanh Vinh District, Khanh Hoa Province)

Type locality: Song Giang River Valley (12.37079° N, 108.83643° E; at elevation 500 m a.s.l.), Khanh Trung Commune, Khanh Vinh District, Khanh Hoa Province, Vietnam.  
Reproduction 
TypesHolotype: SIEZC 20249, Adult male, collected by Anh The Nguyen on 22 December 2020 
DiagnosisDiagnosis: Lycodon truongi sp. nov. is separated from all other species of the L. rufozonatus complex by having the combination of a maximum SVL length of 700mm; tail length 195 mm; 17–17–15 dorsal scale rows; 14 maxillary teeth; eight supralabials with the third–fifth contacting the eye; nine infralabials; one preocular; two postoculars; an elongate loreal not contacting the eye; two anterior temporals; two posterior temporals; 200 ventral scales; 91 paired subcaudal scales; a divided precloacal plate; 15 keeled vertebral scale rows from midbody to vent; uniform dark-brown to black adult head pattern; no wide light-colored nuchal-occipital collar in the adult; black dorsal ground color; 19 narrow white body bands;
13 white caudal bands; white dorsal bands on ventrolateral section of body as opposed to a reticulated pattern; anterior one-half of venter white, and posterior of venter bearing white and broken black bands. (NGUYEN et al. 2022)


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CommentBehavior: nocturnal active, fast moving, like flating areas under storey of evergreen broadleaves forest, good swimming skill. (NGUYEN et al. 2022) 
EtymologyThe specific epithet “truongi” is a patronym honoring Professor Dr. Quang Truong Nguyen for his long-standing extensive contributions to the herpetology of Vietnam and his broad international collaborations. 
References
  • Nguyen AT, Duong TV, Wood PL Jr, Grismer LL 2022. Two new syntopic species of wolf snakes (genus Lycodon H. Boie in Fitzinger, 1826) from an imperiled ecosystem in the Song Giang River Valley of southern Vietnam (Squamata: Colubridae). Vertebrate Zoology 72 371–384 - get paper here
 
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