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Mastigodryas bruesi (BARBOUR, 1914)

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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Windward Treeracer, Barbour's Tropical Racer 
SynonymAlsophis bruesi BARBOUR 1914: 337
Mastigodryas bruesi — SCHWARTZ & HENDERSON 1991: 626
Mastigodryas bruesi — MONTIGNELLI & ZAHER 2011
Mastigodryas bruesi — WALLACH et al. 2014: 429
Mastigodryas bruesi — MONTINGELLI et al. 2018 
DistributionSt. Vincent, Grenadines, Grenada (Lesser Antilles)

Type locality: Near St. George's, St. George Parish, Grenada.  
TypesHolotype: MCZ 7792. 
DiagnosisDESCRIPTION: Maximum SVL 830 mm; dorsal scale rows at midbody 17; ventrals 187-199 in males, 194-208 in females; subcaudals 115-128 in males, 114-133 in females; 1 preocular; 2 postoculars; supralabials 9,10; infralabials 10-12; dorsal scales smooth; anal divided. Dorsal ground color blue-gray to brown; light lateral stripe on scale rows 4-5 (rarely only on 4); smudged eyeline extends from nostril, through eye, to upper portion of posterior supralabials; chin, throat, ventrals, and subcaudals white, pale yellow, or dirty yellow; ventrals suffused with gray at anterior edges (Schwartz & Henderson 1991: 626). 
CommentFor illustrations see Stuart, 1941.

Habitat: partly arboreal (Harrington et al. 2018). 
EtymologyNamed after Dr. Charles Thomas Brues (1879-1955), a zoologist and entomologist. He moved to Harvard (1909), where he was Associate Curator of Insects, at the Harvard Museum of Comparative Zoology, and later Professor of Entomology, retiring in 1947. 
  • Barbour, Thomas 1914. A Contribution to the Zoögeography of the West Indies, with Especial Reference to Amphibians and Reptiles. Memoirs of the Museum of Comparative Zoölogy 44 (2): 205-359 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Daudin, Jacques; de Silva, Mark. 2007. An annotated checklist of the amphibians and terrestrial reptiles of the Grenadines with notes on their local natural history and conservation. Applied Herpetology 4 (2):163-175 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Malhotra, A. & Thorpe, R.S. 1999. Reptiles & Amphibians of the Eastern Caribbean. MacMillan, London & Oxford
  • Montingelli GG, Grazziotin FG, Battilana J, Murphy RW, Zhang Y‐P, Zaher H. 2018. Higher‐level phylogenetic affinities of the Neotropical genus Mastigodryas Amaral, 1934 (Serpentes: Colubridae), species‐group definition and description of a new genus for Mastigodryas bifossatus. J Zool Syst Evol Res. 57: 205– 239 [online 2018, in print 2019] - get paper here
  • Montingelli, Giovanna G. and Hussam Zaher 2011. New Species of Mastigodryas Amaral, 1934 from Brazilian Amazonia and Guyana (Serpentes: Colubridae). Journal of Herpetology 45 (1): 111-119. - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Stuart, L. C. 1941. Studies of Neotropical Colubrinae VIII. A revision of the genus Dryadophis Stuart, 1939. Miscellaneous publications, Museum of Zoology, University of Michigan (49): 1-106 - 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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