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Micrurus stuarti ROZE, 1967

IUCN Red List - Micrurus stuarti - Least Concern, LC

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Higher TaxaElapidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Volcano coral snake, Stuart's Coral Snake 
SynonymMicrurus stuarti ROZE 1967
Micrurus stuarti — WELCH 1994: 89
Micrurus stuarti — ROZE 1996: 221
Micrurus stuarti — WALLACH et al. 2014: 454 
DistributionGuatemala (from San Marcos to at least Suchitepequez)

Type locality: Finca La Paz, San Marcos, Guatemala, 1345 meters  
TypesHolotype: UMMZ 106708 
DiagnosisDefinition: A single-banded coral snake with a black snout and large, yellow parietal crossband. The nuchal black band covers the tips of the parietals and the red body bands have scales with large, irregular black tips. Males have supraanal tubercles (Roze 1996: 221).

Description: Males have 210 to 215 (212.5) and females have 224 to 231 (226.7) ventrals; subcaudals 45 to 49 (47.0) in males and 37 to 39 (37.7) in females; invariably 1+2 temporals. Examined: 2 males and 3 females, including the holotype.
The snout is black, as are part of the frontal and the supraoculars. This is followed by a yellow or yellowish-brown parietal band that extends below onto the chin. The throat is mostly spotted grayish black. The nuchal black band extends to the parietals and is 6 to 8 dorsals long. The black body bands are 3 to 5 dorsals and 3 to 4 ventrals long. They are bordered by poorly developed whitish or sepia-whitish bands about 1scale long dorsally and ventrally. The red bands are 8 to 15 dorsals long with large, irregular black tips on the scales, which are almost spots. Ventrally, the red bands are practically immaculate. The black bands on the tail are more than twice as long as the light bands. The latter also have large, black-tipped scales or spots.
The males have 13 to 14 (13.5) and the females have 16 to 19 (17.5) black body bands. On the tail, the males have 4 and the females have 3 to 4 (3.4) black bands (Roze 1996: 221). 

Only known from 5 specimens (Roze 1996). 
EtymologyNamed after Laurence C. Stuart, the late biologist from the University of Michigan, whose contributions to the natural history of Guatemala and Central America are among the best for any Latin American country (Roze 1996: 221). 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • 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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