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Oligodon tolaki AMARASINGHE, HENKANATHTHEGEDARA, CAMPBELL, RIYANTO, HALLERMANN & VOGEL, 2021

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymOligodon tolaki AMARASINGHE, HENKANATHTHEGEDARA, CAMPBELL, RIYANTO, HALLERMANN & VOGEL 2021
Oligodon waandersi –– DE LANG & VOGEL 2005 [partim] 
DistributionIndonesia (Southeast Sulawesi)

Type locality: Gunung (Mt.) Mekongga (3˚34'49.60''S, 121˚09'34.50'' E), alt. 1097 m a.s.l.), Tinukari, Wawo, North Kolaka Regency, Southeast Sulawesi, Indonesia  
Reproduction 
TypesHolotype: MZB 4570, adult male, collected by W. Trilaksana, on 6 July 2010
Paratypes: MZB 2669, MZB 2812, MZB 2831, MZB 2991, MZB 2832 
DiagnosisDiagnosis: Oligodon tolaki sp. nov. is distinguished from other congeners by having the following combination of characters: maximum SVL 340 mm, a single postocular, a single loreal, a single cloacal plate, completely divided nasal, ventrals 150–169, subcaudals 18–26, temporals 1þ2, six SUPs with third and fourth in contact with eye, DSRs 15-15-15, hemipenes not forked and covered with spines, maxillary teeth 6–7, shorter tail (TL 6.8–11.2% of total length), brownish dorsum with few dark-edged spots on the vertebral line anteriorly, reddish brown vertebral line on the posterior body and tail, mostly a blackish brown blotch below eye, and whitish collar band interrupted middorsally. (Amarasinghe et al. 2021). 
CommentSimilar species: O. waandersi, O. propinquus 
EtymologyThe specific epithet refers to the major ethnic group in Sulawesi, ‘‘Tolaki,’’ and is formed here as an invariable noun in apposition. The Tolaki tribe is mostly distributed in the Southeast Sulawesi where the new species is also found. 
References
  • Amarasinghe, A.A. Thasun; Sujan M. Henkanaththegedara, Patrick D. Campbell, Awal Riyanto, Jakob Hallermann & Gernot Vogel 2021. Description of a New Oligodon (Squamata: Colubridae) from Sulawesi, Indonesia, Including Redescriptions of O. waandersi and O. propinquus. Herpetologica Jun 2021 Vol. 77, No. 2: 195-207 - get paper here
  • Darko, Y.A.; Voss, O. & Uetz, P. 2022. A dictionary of abbreviations used in reptile descriptions. Zootaxa 5219 (5): 421–432 - get paper here
  • Lang, Ruud de & G. Vogel 2005. The snakes of Sulawesi. A field guide to the land snakes of Sulawesi with identification keys. Edition Chimaira, Frankfurter Beiträge zur Naturkunde, 25, Frankfurt am Main, 312 pp.
 
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