Trimeresurus flavomaculatus

Trimeresurus flavomaculatus
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Trimeresurus
Species:	T. flavomaculatus
Binomial name
	Trimeresurus flavomaculatus; (Gray, 1842)
Synonyms
	Megaera flavomaculatus Gray, 1842; Megaera ornata Gray, 1842; Megaera variegata Gray, 1842; Parias flavomaculatus ; – Gray, 1849; Parias ornata – Gray, 1849; Parias variegata – Gray, 1849; Trimeresurus flavomaculatus – Günther, 1879; Trimeresurus Schadenbergi Fischer, 1885; Lachesis flavomaculatus ; – Boulenger, 1896; Trimeresurus flavomaculatus flavomaculatus – Leviton, 1961[2]; Parias flavomaculatus ; – Malhotra & Thorpe, 2004; Trimeresurus (Parias) flavomaculatus ; – David et al., 2011[3];

Trimeresurus flavomaculatus (Philippine pit viper)[4] is a venomous pit viper species endemic to the Philippines. Two subspecies are currently recognized, including the nominate subspecies described here.[5]

Description

According to Leviton (1964), the scalation includes 21 rows of dorsal scales at midbody, 170–178/175–184 ventral scales in males/females, 62–71/58–63 subcaudal scales in males/females, and 9–11 supralabial scales of which the 3rd is the largest. Toriba and Sawai (1990) give 167–179/172–184 ventral scales in males/females, 56–70/53–63 subcaudal scales in males/females, and 9–10/9–12 supralabial scales in males/females.[4]

Found on the Philippine islands of Agutayan, Batan, Camiguin, Catanduanes, Dinagat, Jolo, Leyte, Luzon, Mindanao, Mindoro, Negros, and Polillo. The type locality given is "Philippine Islands". Leviton (1964) proposed that this be restricted to "Luzon Island".[2]

Subspecies[5]	Taxon author[5]	Common name	Geographic range
T. f. flavomaculatus	(Gray, 1842)	Philippine pit viper[4]	Philippine islands of Agutayan, Bohol, Camiguin, Catanduanes, Dinagat, Jolo, Leyte, Luzon, Mindanao, Mindoro, Negros and Panay.[4]
T. f. halieus	Griffin, 1910		The Philippines on the island of Polillo.[2]

Gumprecht (2001, 2002) relegates T. f. halieus to synonymy and elevates T. f. mcgregori to a full species.[4]

Brown, R.; Sy, E.; Reizl, J.; Gonzales, J.C.; Rico, E.; Ledesma, M. (2009). "Trimeresurus flavomaculatus". IUCN Red List of Threatened Species. 2009: e.T169885A6686236. doi:10.2305/IUCN.UK.2009-2.RLTS.T169885A6686236.en. Retrieved 16 January 2020.
McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
The Reptile Database. www.reptile-database.org.
Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pit vipers. GeitjeBooks. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
"Trimeresurus flavomaculatus". Integrated Taxonomic Information System. Retrieved 3 August 2007.

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