Oxyrhopus melanogenys ( Tschudi, 1845 )

Camper, Jeffrey D., Torres-Carvajal, Omar, Ron, Santiago R., Nilsson, Jonas, Arteaga, Alejandro, Knowles, Travis W. & Arbogast, Brian S., 2021, Amphibians and reptiles of Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador, Check List 17 (3), pp. 729-751 : 745

Oxyrhopus melanogenys ( Tschudi, 1845)

Material examined. ECUADOR • 1 juvenile, 364 mm SVL; Napo Province, WWS; 00.6774°S, 077.6013°W; 24 July 2016; QCAZ 14838 .

Identification. This species has 19-19-19 smooth dor- sal scale rows, <97 subcaudal scales, and an undivided cloacal plate. There are 10 infralabial scales with 6 con- tacting the genials, and the single preocular scale contacts the frontal scale. The posterior dorsal color pattern of adults consists of triads of red-black-cream-blackcream-black-red. There is a red, orange, or yellowish nu- chal band. Some larger individuals are melanistic.

Habitat. One juvenile specimen was found in a pasture during the day.