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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)


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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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