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Agkistrodon howardgloydi CONANT, 1984

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Gloyd’s Moccasin
G: Gloyds Mokassinschlange 
SynonymAgkistrodon bilineatus howardgloydi CONANT 1984: 135
Agkistrodon bilineatus howardgloydi — VILLA 1984:18
Agkistrodon bilineatus howardgloydi — GLOYD & CONANT 1990: 87
Agkistrodon bilineatus howardgloydi — MCDIARMID et al. 1999
Agkistrodon bilineatus howardgloydi —PARKINSON et al. 2000: 412
Agkistrodon bilineatus howardgloydi —SMITH & CHISZAR 2001: 134
Agkistrodon bilineatus howardgloydi —CAMPBELL & LAMAR 2004: 263
Agkistrodon howardgloydi — PORRAS et al. 2013
Agkistrodon howardgloydi — SUNYER & MARTÍNEZ-FONSECA 2023 
DistributionNW Costa Rica, W Nicaragua, S Honduras

Type locality: tropical dry forest, 0.8 km north of Mirador el Cañon del Tigre, Parque Nacional Santa Rosa, Guanacaste, Costa Rica.  
Reproductionviviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: AMNH 125525, male 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 6328 characters), are available for collaborators and contributors. Please contact us for details. 
CommentVenomous!

Synonymy: WALLACH et al. 2014 lists this species as synonym of A. bilineatus.

Similar species: Agkistrodon howardgloydi and A. russeolus are genetically very closely related (Alencar et al. 2016).

Distribution: See map in Trutnau (2001) and Porras et al. 2013.

Illustration in Penner (2001). 
EtymologyNamed after Howard Kay Gloyd (1902-1978), American herpetologist. 
References
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  • Bolanos, R., & MONTERO, J. R. 1971. Agkistrodon bilineatus Günther from Costa Rica. Revista de Biologia Tropical 16 [1970]: 277-279. - get paper here
  • Burger, W.L. & Robertson,W.B. 1951. A new subspecies of the Mexican moccasin, Agkistrodon bilineatus. Univ. Kansas Sci. Bull. 34 (5): 213-218 - get paper here
  • Calmonte, T. 1982. Agkistrodon bilineatus taylori - ein selten imprtierter Dreieckskopf aus Mexiko. Herpetofauna 4 (20): 26-27 - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Castro-Franco, R. & Guadalupe Bustos Zagal, M. 2004. Additional records and range extensions of reptiles from Morelos, México. Herpetological Review 35 (2): 196-197 - get paper here
  • Conant, R. 1984. A new subspecies of the pit viper Agkistrodon bilineatus (Reptilia: Viperidae) from Central America. Proc. Biol. Soc. Washington 97: 135-141 - get paper here
  • Cruz, G.; Wilson, L.D.; Espinosa, J. 1979. Two ADDITIONS TO THE REPTILE FAUNA OF HONDURAS) EUMECES MANAGUAE DUNN AND AGKISTRODON BILINEATUS (GUNTHER)) WITH COMMENTS ON PELAMIS PLATURUS (LINNAEUS). Herpetological Review 10 (1): 26-27 - get paper here
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  • Penner, J. 2001. Der grösste Schlangenzoo Lateinamerikas - ein Praktikum im “World of Snakes” Grecia, Costa Rica. Elaphe 9 (4): 81-85
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