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Erythrolamprus pseudoreginae MURPHY, BRASWELL, CHARLES, AUGUSTE, RIVAS, BORZÉE, LEHTINEN & JOWERS, 2019

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Tobago Stream Snake 
SynonymErythrolamprus pseudoreginae MURPHY, BRASWELL, CHARLES, AUGUSTE, RIVAS, BORZÉE, LEHTINEN & JOWERS 2019
Liophis sp. — HARDY 1982: 86.
Liophis reginae [ssp.] — DIXON 1983: 12. 
DistributionTobago

Type locality: Gilpin Trace Trail, 8.5 km NNW Roxborough, St. John, Tobago (~11°16'55"N; 60°37'12"W, about 493 m elevation) at 0900 hrs.  
Reproduction 
TypesHolotype UWIZM 2016.22.45 collected 13 June 2016 by Alvin L. Braswell and Renoir J. Auguste. Paratypes. TOBAGO: St John: FLMNH 91621 Gilpin Trace Trail, 5.3 mi NNW Roxborough, 11°16'N, 60°37'W collected on 17 July by Kurt Auffenberg. USNM 228069 south of Charlotteville, at first creek crossing on Pigeon Peak Trace 11°17'N, 60°36'W collected 12 May 1979 at (14:00 hrs) by Dave Stephens; USNM 325089 NW of Roxborough on Gilpin Trace, ca. 0.5 mi from its junction with Roxborough-Bloody Bay Road, col- lected 11 November 1992; USNM 539191 approx. 6 km (airline) NNW of Roxbor- ough, 0.5 mi from upper entrance of Gilpin Trace and Roxborough - Parlatuvier Road, 11°17'N, 60°35'W collected 11 July 2000. 
DiagnosisDiagnosis: Ventrals 143–154; subcaudals 76–79; second pair of chin shields long- est; some anterior dorsal scales have an apical pit; lateral stripe on scale rows 3–4–5, dark stripe (row 3) and a pale stripe (rows 4–5) on posterior body and tail, the black stripe continues to the forebody as a series of black spots on scale row three; and the ventral surface has scattered flecks of pigment toward mid-body. Otherwise, the belly is uniform cream with fine speckling in preserved material, and red in life, tail uniform cream in preservative, red in life.


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Comment 
EtymologyThe epithet pseudoreginae was chosen because prior investigators considered this snake to be Liophis reginae. 
References
  • Auguste, Renoir J. 2019. Herpetofaunal checklist for six pilot protected areas in Trinidad and Tobago. Herpetology Notes 12: 577-585 - get paper here
  • Dixon J R 1983. Systematics of the Latin American snake Liophis epinephalus (Serpentes: Colubridae). in: Rhodin, A. G. J., & Miyamata, K., eds., Advances in Herpetology and Evolutionary Biology. Mus. Comp. Zool.: 132-149 - get paper here
  • Hardy, J.D., Jr. 1982. Biogeography of Tobago, West Indies, with special reference to amphibians and reptiles: a review. Bull. Maryland Herp. Soc. 18(2): 38-142. - get paper here
  • Kwet, A. 2020. Liste der im Jahr 2019 neubeschriebenen Reptilien. Elaphe 2020 (3): 44-67
  • Murphy JC, Braswell AL, Charles SP, Auguste RJ, Rivas GA, Borzée A, Lehtinen RM, Jowers MJ 2019. A new species of Erythrolamprus from the oceanic island of Tobago (Squamata, Dipsadidae). ZooKeys 817: 131-157 - get paper here
  • Murphy, John C.; John C. Weber, Michael J. Jowers, and Robert C. Jadin 2023. Two Islands, Two Origins: The Snakes of Trinidad and Tobago. In: Lillywhite & Martins, eds., Islands and snakes, vol. II. Oxford University Press, p. 81 ff - get paper here
  • Rivas, G. A., Lasso-Alcalá, O. M., Rodríguez-Olarte, D., De Freitas, M., Murphy, J. C., Pizzigalli, C., ... & Jowers, M. J. 2021. Biogeographical patterns of amphibians and reptiles in the northernmost coastal montane complex of South America. Plos one, 16(3): e0246829 - get paper here
 
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