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Drymarchon margaritae ROZE, 1959

IUCN Red List - Drymarchon margaritae - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Margarita Indigo Snake
G: Margarita-Indigonatter 
SynonymDrymarchon margaritae ROZE 1959
Drymarchon corais margaritae — ROZE 1964
Drymarchon margaritae — ROZE 1966
Drymarchon corais margaritae — PETERS & OREJAS-MIRANDA 1970: 96
Drymarchon corais margaritae — MCCRANIE 1980
Drymarchon corais margaritae — LANCINI 1986
Drymarchon margaritae — WÜSTER 2001
Drymarchon margaritae — RIVAS FUENMAYOR et al. 2005
Drymarchon margaritae — UGUETO & RIVAS 2010: 238
Drymarchon margaritae — WALLACH et al. 2014: 245 
DistributionW Margarita Islands, Venezuela;

Type locality: Near San Francisco de Macanao, Isla Margarita, Venezuela.  
Reproduction 
TypesHolotype: MHNLS 569, a 1300 mm male (lA. Roze, 18 Dec. 1951). 
DiagnosisDiagnosis: La nueva especie se diferencia d.e Drymatchon corais corais (1) por tener las escamas internasales más largas que la pre-frontal, (2) por tener todo el cuerpo casi negro, como también la parte posterior del vientre y la cola, y (3) probablemente, menor número de escamas ventrales.
Además posee, 17-17-15 dorsales, 196 ventrales y 76 subcaudales (Roze 1959).


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CommentConservation: Drymarchon corais margaritae is only known from 2 specimens.

D. margaritae displays a unique combination of pattern characters, including a dorsal colour change similar to that of D. corais (dark anteriorly, paler markings posteriorly), but a ventral pattern change more akin to that of D. melanurus (darker posteriorly, compared to uniformly pale throughout in D. corais). The only known specimen has 76 subcaudals, compared to a documented maximum of 64.5 in D. caudomaculatus. In the light of these clear, categorical differences, and pending further studies, WÜSTER et al. (2001) consider this form to be a separate species, D. margaritae, as originally proposed by Roze (1959). 
EtymologyNamed after the type locality. 
References
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