Ptyas luzonensis (Günther, 1873)

Photo figures 57–59

Smooth-scaled Rat Snake; Smooth-scaled Mountain Rat Snake; Philippine Rat Snake

Zaocys luzonensis Günther, 1873:165, pl. 18.— Taylor, 1922a:135, pl. 12, figs. 1, 3, pl. 13, figs. 1– 2; 1922c:296; 1922d:138.— Leviton, 1983:201.— Ross and Gonzales, 1992:68.— Diesmos, Brown, and Gee, 2004:71.— Gaulke, 2001:30, fig. 10; 2011:316; 2011:316–317, figs. 214– 216, 218.— Ferner, Brown, Sison, and Kennedy, 2001:53 [20].— Diesmos, Brown, and Gee, 2004:71.

Ptyas luzonensis, McLeod, Siler, Diesmos, Diesmos, Garcia, Arkonceo, Balaquit, Uy, Villaseran, Yarra, and Brown, 2011:188, fig. 8C.— Brown, Oliveros, Siler, Fernandez, Welton, Buenavente. Diesmos, and Diesmos, 2012:483.— Devan-Song and Brown, 2012:14, fig. 33.— Brown, Siler, Oliveros, Welton, Rock, Swab, Van Weerd, van Beijnen, Jose, Rodriguez, Jose, and Diesmos, 2013:86, fig. 92.— Wallach, Williams, and Boundy, 2014:606.

TYPE LOCALITY AND TYPE SPECIMEN (S).— Luzon Id., Philippines. Holotype: BMNH 1946.1.7.89.

PHILIPPINE DISTRIBUTION (ENDEMIC) (Map 32B [p. 143]).— Catanduanes, Leyte, Luzon (Prov.: Albay, Aurora, Bulacan, Cagayan, Camarines del Norte, Camarines del Sur, Ilocos Norte, Kalinga, Laguna, Quezon, Sorsogon, Zambales), Negros, Panay, Polillo.

REMARKS.— Preliminary review suggests that the taxonomic relationships of the West Visayan (Negros, Panay) and Mindanao PAIC (Leyte Id.) populations should be reviewed.

CONSERVATION STATUS [IUCN].— Least Concern [2016] ver. 3.1.