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Lycodon alcalai OTA & ROSS, 1994

IUCN Red List - Lycodon alcalai - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Alcala's Wolf Snake 
SynonymLycodon alcalai OTA & ROSS 1994: 159
Lycodon alcalai — WALLACH et al. 2014: 391 
DistributionPhilippines (Batan Island)

Type locality: Batan Island (20'25'N, 121° 58’ E), Batan Island group, approximately 2.5 km ENE of Basco on the W slope of Mt. Iraya, elevation 150 m.  
Reproductionoviparous 
TypesHolotype:-PNM 990, an adult male; captured 30 May 1985, by R. S. Kennedy and party. Paratypes. USNM 266603, an adult female, same data as holotype. USNM 266604 and USNM 319282, adult males from approximately 3 km ENE of Basco on the W slope of Mt. Iraya, alt. 320 m; captured 9 June 1985, by C. A. Ross and party. USNM 291412, an adult male from same locality as holotype; captured 7 March 1988 by C. A. Ross and A. Fidel. USNM 291413, an adult male from approximately 1 km NE of Basco, alt. 130 m; captured 12 March 1988 by A. Fidel. 
DiagnosisDiagnosis. This species differs from congeners in having the internasal suture shorter than 30% of the prefrontal suture, 203-207 ventral scales, and in lacking keeled dorsal scales and a distinct dorsal pattern on the body and tail (see Com-
parisons below). (Ota & Ross 1994)


Additional details (56 characters) are available for collaborators and contributors. Please contact us for details. 
CommentLycodon alcalai and L. chrysoprateros differ from all other Philippine species of Lycodon in lacking transverse light bands on all of the body and tail. Lycodon alcalai differs from L. chrysoprateros in having more than 200 ventral scales (less than 195 in L. chrysoprateros). 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Gaulke, M. 2002. A new species of Lycodon from Panay Island, Philippines (Reptilia, Serpentes, Colubridae). Spixiana 25 (1): 85-92 - get paper here
  • Griffing, A H; Gamble, T; Heinicke, M P; Brown, J C & Siler, C D; 2019. Lycodon alcalai (Alcala’s Wolf Snake) Diet. Herpetological Review 50 (3): 595 - get paper here
  • Janssen HY, Pham CT, Ngo HT, Le MD, Nguyen TQ, Ziegler T 2019. A new species of Lycodon Boie, 1826 (Serpentes, Colubridae) from northern Vietnam. ZooKeys 875: 1-29 - get paper here
  • Lanza,B. 1999. A new species of Lycodon from the Philippines, with a key to the genus (Reptilia: Serpentes: Colubridae). Tropical Zoology 12: 89-104 - get paper here
  • Leviton, Alan E.; Cameron D. Siler, Jeffrey L. Weinell, and Rafe M. Brown 2018. Synopsis of the Snakes of the Philippines. Proc. Cal. Acad. Sci. 64 (14): 399-568 - get paper here
  • Ota H. & Ross C. A. 1994. Four new species of Lycodon (Serpentes: Colubridae) from the northern Philippines. Copeia 1994 (1): 159-174. - 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.
  • Weinell, Jeffrey L.; Errol Hooper, Alan E. Leviton, Rafe M. Brown 2019. Illustrated Key to the Snakes of the Philippines. Proc. Cal. Acad. Sci. (4) 66 (1): 1-49 - get paper here
 
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