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

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Tobago Stream Snake
Synonym	Erythrolamprus pseudoreginae MURPHY, BRASWELL, CHARLES, AUGUSTE, RIVAS, BORZÉE, LEHTINEN & JOWERS 2019 Liophis sp. — HARDY 1982: 86. Liophis reginae [ssp.] — DIXON 1983: 12.
Distribution	Tobago 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
Types	Holotype 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.
Diagnosis	Diagnosis: 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.
Comment
Etymology	The epithet pseudoreginae was chosen because prior investigators considered this snake to be Liophis reginae, from Greek pseudo (ψευδο), false, untrue, mistaken.
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
External links	National Center for Biotechnology Information http://zoobank.org/B5FAE467-C240-4EBB-9DA5-B3D44998757E https://www.facebook.com/groups/stshc/posts/356543926570212/ Google images

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