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Micrurus medemi ROZE, 1967

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Higher TaxaElapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Villavicencio coral snake 
SynonymMicrurus psyches medemi ROZE 1967: 41
Micrurus psyches medemi — PETERS & OREJAS-MIRANDA 1970: 217
Micrurus psyches medemi — PEREZ-SANTOS & MORENO 1988: 396
Micrurus psyches medemi — WELCH 1994: 89
Micrurus medemi — ROZE 1994: 178
Micrurus medemi — WALLACH et al. 2014: 449
Micrurus medemi — MONTOYA et al. 2022 
DistributionColombia (Departamento de Meta, Cundinamarca)

Type locality: Villavicencio, Meta, Colombia.  
TypesHolotype: AMNH 96998, a male 
DiagnosisDefinition: A single-banded coral snake with the black cap fused with the black nuchal band that is 7 to 9 dorsals long. The black body bands are 7 to 10 dorsals long and the red b~nds are melanistic: dark red, purple or almost black. Males donot have supraanal tubercles (Roze 1996: 194).

Description: Males have 193 to 198 (195.0) and females have 211 to 218 (215.0) ventrals; subcaudals 45 to 49 (46.8) in males and 31 to 33 (32.5) in females; 1+1, occasionally 1+2, temporals. Examined: 6 males and 3 females, including the holotype. The black cap is fused with the black nuchal band. The latter is 7 to 9 dorsals and ventraIs long. The chin is mostly black with short light bands over the genials. The black bands are 7 to 11 dorsals and 4 to 10 ventrals long. The white bands are 1 dorsallong on the midvertebral region, and 1 to 2 dorsals long laterally and ventrally, with brownish black tips. The original red bands are melanistic, brownish black, 4 to 8 dorsals and ventrals long. In some specimens they are completely black, thus indistinguishable from the black bands. Only black and white bands are found on the tail; the latter are 1 to 2 subcaudals long. The males have 15 to 22 (18.7) and the females have 22 to 25 (23.3)black body bands. The males have 7 to 9 (7.8) and the females have 5 to 6 (5.7) black tail bands (Roze 1996: 194). 
EtymologyNamed after Dr. Federico Medem (1912-1984) [obituary in Herpetologica 40: 468 [1984]. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • FEITOSA, DARLAN TAVARES; NELSON JORGE DA SILVA JR., MATHEUS GODOY PIRES, HUSSAM ZAHER & ANA LÚCIA DA COSTA PRUDENTE 2015. A new species of monadal coral snake of the genus Micrurus (Serpentes, Elapidae) from western Amazon. Zootaxa 3974 (4): 538–554
  • MONTOYA CRUZ, ALEXANDRA; DIDIER MANCERA-GARCÍA & RONALD DÍAZ-FLÓREZ. 2021. Defensive behavior by a Villavicencio Coralsnake, Micrurus medemi Roze 1967 (Squamata: Elapidae), in Colombia. Reptiles & Amphibians 28(3): 483–484. - get paper here
  • Montoya, A., Díaz Flórez, R. A., & Mancera, D. 2022. A new departmental and elevational record for the Villavicencio Coralsnake, Micrurus medemi Roze 1967 (Squamata: Elapidae), in Colombia. Reptiles & Amphibians 29(1): 189–190. - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Rincón-Aranguri, M., Toro-Cardona, F. A., Galeano, S. P., Roa-Fuentes, L.. & Urbina-Cardona, N. 2023. Functional diversity of snakes is explained by the landscape composition at multiple areas of influence. Ecology and Evolution, 13, e10352 - get paper here
  • Roze, J.A. 1994. Notes on the taxonomy of venomous coral snakes (Elapidae) of South America. Bull. Maryland Herp. Soc. 30: 177-185. - get paper here
  • Roze, Jánis A 1967. A checklist of the New World venomous Coral Snakes (Elapidae), with descriptions of new forms. American Museum Novitates (2287): 1-60 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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