Polypedates leucomystax (Gravenhorst, 1829)

Badli-Sham, Baizul Hafsyam, Syafiq, Muhamad Fatihah, Aziz, Mohd Shahrizan Azrul, Mohd Jalil, Natrah Rafiqah, Awang, Muhammad Taufik, Othman, Muhammad Nouril Ammin, Abdul Aziz, Anis Azira, Dzu, Khunirah, Abdol Wahab, Nurul Asyikin, Jamil, Nor Liyana, Ismail, Murni Azima, Wan Azman, Wan Ahmad Aidil, Xin Wei, Ooi, Jamaha, Nur Ain Nabilah, Aqmal-Naser, Mohamad, Fahmi-Ahmad, Muhammad, Shahirah-Ibrahim, Noor, Rizal, Syed Ahmad, Belabut, Daicus M., Kin Onn, Chan, Quah, Evan Seng Huat, Grismer, Larry Lee & Ahmad, Amirrudin B., 2023, A decade of amphibian studies (Animalia, Amphibia) at Sekayu lowland forest, Hulu Terengganu, Peninsular Malaysia, ZooKeys 1157, pp. 43-93 : 43

Polypedates leucomystax (Gravenhorst, 1829)

Fig. 9E Four-lined Tree Frog

Examined specimens.

Twenty-seven specimens were collected from SLF consisted of males (UMTZC1010, UMTZC1114, UMTZC1128, UMTZC1131, UMTZC1180, UMTZC1181, UMTZC1243, UMTZC1244, UMTZC1246, UMTZC1328, UMTZC1329, UMTZC1422, UMTZC1485, UMTZC1624, and UMTZC1417, SVL = 40-52 mm) and females (UMTZC1125, UMTZC1130, UMTZC1154, UMTZC1155, UMTZC1156, UMTZC1178, UMTZC1245, UMTZC1263, UMTZC1272, UMTZC1344, UMTZC1347, and UMTZC1444, SVL = 44-67 mm).

Identification.

Morphological characters of the specimens agreed well with the description by Berry (1975) and Sumarli et al. (2015). Size (SVL: 40-52 mm; n = 15 males; 44-67 mm, n = 12 females); vomerine teeth in between choanae; head longer than broad; rounded snout; tympanum distinct; supratympanic fold present; digit tips expended into large discs with circum-marginal grooves; fingers without webbing; toes fully webbed; forearm with whitish skin flaps; dorsum skin smooth with colour pale to dark tan; dorsum pattern variable with two to four longitudinal stripes or plain with dark blotches.

Remarks.

Polypedates leucomystax can be distinguished from P. discantus by having the skin of the head fused with the skull, distinct white spots or reticulations on a dark background on the rear thigh, and the absence of a tubercle at the heel. This species known as a commensal species and inhabits all manner of human-made and natural habitats in SLF. This species can be observed clinging onto shrubs or the leaves of low vegetation up to 2.5 m off the ground.

Figures

Figure 9. A Kurixalus chaseni B Nyctixalus pictus C Polypedates colletti D P. discantus E P. leucomystax F P. macrotis G adult Rhacophorus nigropalmatus H subadult R. nigropalmatus I R. pardalis.