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Pareas tigerinus LIU, ZHANG, POYARKOV, HOU, WU, RAO, NGUYEN & VOGEL, 2023

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Higher TaxaPareidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Tiger slug-eating snake
Chinese: 虎纹钝头蛇” (Hǔ Wén Dùn Tóu Shé) 
SynonymPareas tigerinus LIU, ZHANG, POYARKOV, HOU, WU, RAO, NGUYEN & VOGEL 2023: 14 
DistributionChina (Yunnan)

Type locality: CHINA, Yunnan Province, Xishuangbanna Prefecture, Menghai County, Xiding Township; 21°49ʹ54′′ N, 100°7′21′′ E; 1920 m elevation.  
Reproduction 
TypesHolotype: KIZ 20210705, adult female; 21 Jul. 2021; S. Liu leg.
Paratypes: KIZ 20210703, adult male; same collection data as for preceding; 20 Jul. 2021; KIZ 20210704, adult female; same collection data as for preceding; 20 Jul. 2021. 
DiagnosisDiagnosis: This species differs from Pareas nigriceps by having a relatively shorter tail, more infralabials, fewer ventral scales, fewer subcaudals, and fewer maxillary teeth; it differs from P. kaduri Bhosale, Phansalkar, Sawant, Gowande, Patel & Mirza, 2020 by having relatively smaller body size, keeled mid-dorsal scales in females, fewer temporals, and fewer maxillary teeth.
Single preocular; postocular fused with subocular; loreal not bordering orbit; prefrontal bordering orbit; infralabials not fused with chin-shields; three chin-shield pairs, the first pair triangular, the second pair and the third pair elongate; dorsal scales in 15 rows throughout; vertebral scales enlarged; scales not keeled on the anterior part of the body, 3–5 rows of mid-dorsal scales keeled on the middle part of the body, 5–9 rows of mid-dorsal scales keeled on the posterior part of the body; seven supralabials; eight infralabials; precloacal plate undivided; ventral scales 160–171; subcaudals 62–64, paired. Dorsal surface of head solid black or reddish-brown; dark nuchal band present; vertical dark bars on trunk and tail distinct; iris brownish-black or reddish-brown. (Liu et al. 2023) 
Comment 
EtymologyThe species epithet “tigerinus” is attributed to this species due to the similarity of the species colour pattern to the prominent lateral stripes in tigers. 
References
  • Liu, S., Zhang, D., Poyarkov, N. A., Hou, M., Wu, L., Rao, D., ... & Vogel, G. 2023. Resurrection of Pareas yunnanensis (Vogt, 1922) with description of a new species of Pareas from Yunnan Province, China (Squamata, Pareidae). European Journal of Taxonomy, 860, 1-26 - get paper here
 
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