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Pareas abros POYARKOV, NGUYEN, VOGEL & ORLOV, 2022

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Higher TaxaPareidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Cute slug-eating snake 
SynonymPareas abros POYARKOV, NGUYEN, VOGEL & ORLOV in POYARKOV et al. 2022: 65 
DistributionVietnam (Quang Nam, Thua Thien–Hue provinces)

Type locality: montane evergreen tropical forest near the offsprings of the Paete River, within the Song Thanh N.P., La Dee Commune, Nam Giang District, Quang Nam Province, central Vietnam (N 15.53353, E 107.38434; elevation 1083 m asl.)  
Reproduction 
TypesHolotype: ZMMU R-16393 (field number NAP-08867), adult male, collected by N. A. Poyarkov on May 05, 2019.
Paratypes: ZMMU R-16392 (field number NAP-06251), adult male, and ZMMU R-14788 (field number NAP-06252), adult female, both collected by N. A. Poyarkov and N. L. Orlov from the montane evergreen tropical forest within the Sao La Nature Reserve, A Roang area, A Luoi Distict, Thua Thien – Hue Province, central Vietnam (N 16.10334, E 107.444453; elevation 796 m asl.) on September 11–17, 2015. 
DiagnosisDiagnosis: Pareas abros sp. nov. differs from all other members of the genus Pareas by the combination of the following morphological characters: body size medium (TL 434–565 mm); head notably flattened dorsoventrally; anterior pair of chin shields longer than broad; loreal and prefrontal not contacting the eye; three suboculars; two postoculars; temporals 3 + 3; the single median vertebral scale row slightly enlarged; 9 supralabial scales; generally 8 (rarely 9) infralabials scales; 15 dorsal scale rows at midbody, of them 9–11 median scale rows slightly keeled; 180–184 ventrals; 83–95 subcaudals, all divided; dorsum yellowish-brown with distinct dark-brown vertebral line, barely distinct blackish vertebral spots and 44–56 faint interrupted transverse dark-brown bands (Figs. 19A–19C); upper postorbital stripes thick, slate-black, bifurcating posterior to the secondary temporals, forming a thick black line, continuing to the 7th SL and further on the neck; upper postorbital stripes contacting each other on the nuchal area forming a large ring-shaped blotch (Figs. 19A–19C); two thick, black lower postorbital stripes reaching the 6th and 8th SL, and continuing to the lower jaw; belly beige with dense brownish-gray dusting and dark brown elongated spots forming two longitudinal lines on the lateral sides of ventrals (Fig. 18D); iris in life beige with ochraceous to orange speckles and veins getting denser around the pupil (Fig. 19).


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Comment 
EtymologyNamed after Latinized “abros”, an adjective in nominative singular derived from the classical Greek word “abros” (aβρός), meaning “cute”, “handsome”, and “delicate”. The name is given in reference to the appealing and cute appearance of the new species, as well as other members of the genus Pareas. 
References
  • Kwet, A. 2023. Liste der im Jahr 2022 neu beschriebenen Reptilien. Elaphe 2023 (3): 48-73
  • Poyarkov NA, Nguyen TV, Pawangkhanant P, Yushchenko PV, Brakels P, Nguyen LH, Nguyen HN, Suwannapoom C, Orlov N, Vogel G. 2022. An integrative taxonomic revision of slug-eating snakes (Squamata: Pareidae: Pareineae) reveals unprecedented diversity in Indochina. PeerJ 10: e12713 - get paper here
 
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