Rhadinella hempsteadae (STUART & BAILEY, 1941)

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Higher Taxa	Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Hempstead's Pine Woods Snake
Synonym	Rhadinaea hempsteadae STUART & BAILEY 1941 Rhadinaea hempsteadae — LINER 1994 Rhadinella hempsteadae — MYERS 2011 Rhadinella hempsteadae — WALLACH et al. 2014: 643
Distribution	Guatemala Type locality: above Finca Chichen, Alta Verapaz, Guatemala, approximately 1737 m (5700 ft.) elevation.
Reproduction	oviparous
Types	Holotype: UMMZ 89080 Holotype:-UMMZ 89078 [stadelmani]
Diagnosis	Diagnosis (hempsteadae): Dorsal scale rows 19; ventral scales in females 156-172;dark brown or black stripe on scale row six, seven, or eight absent; hemipenial base spinose, capitulum covered with calyces bearing uniformly papillate rims; 13-15 maxillary teeth [MENDELSON & KIZIRIAN 1995].
Comment	Color plate 68 in VILLA et al. 1988. Not listed in Liner 2007. Synonymy: Myers 1974 synonymized R. stadelmani with R. hempsteadae. He justified this with the observation that the holotype of hempsteadae is an adult male whereas the name Rhadinaea stadelmani is based on a juvenile female. MENDELSON & KIZIRIAN 1995 resurrected stadelmani for populations in the Sierrade los Cuchumatanes and Montafiasde Cuilco, in northwestern Guatemala. Distribution: not in Mexico (Wallach et al. 2014, Heimes 2016).
Etymology	Named after Mrs.R.W. Hempstead of Cobain, Guatemala, in recognition of courtesies rendered to L.C. Stuart in the course of his investigations on the fauna of Alta Verapaz.
References	Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp. Mendelson, J.R. & D.A. Kizirian 1995. Geographic variation in Rhadinaea hempsteadae (Serpentes: Colubridae) with the description of a new species from Chiapas, Mexico. Herpetologica 51 (3): 301-313. - get paper here Myers, C.W. 1974. The systematics of Rhadinaea (Colubridae), a genus of New World snakes. Bull. Amer. Mus. nat. Hist. 153 (1): 1-262 - get paper here Myers, Charles W. 2011. A New Genus and New Tribe for Enicognathus melanauchen Jan, 1863, a Neglected South American Snake (Colubridae: Xenodontinae), with Taxonomic Notes on Some Dipsadinae. American Museum Novitates (3715): 1-33 - get paper here Stuart, L. C. & Bailey, Joseph R. 1941. Three new species of the genus Rhadinaea from Guatemala. Occasional Papers of the Museum of Zoology, University of Michigan (442): 1-11 - 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.
External links	IUCN Red List https://www.facebook.com/groups/stshc/posts/412096267681644/ Google images

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