Amphibians and reptiles of Wildsumaco Wildlife Sanctuary, Napo Province, Ecuador Author Camper, Jeffrey D. Author Torres-Carvajal, Omar Author Ron, Santiago R. Author Nilsson, Jonas Author Arteaga, Alejandro Author Knowles, Travis W. Author Arbogast, Brian S. text Check List 2021 2021-05-10 17 3 729 751 http://dx.doi.org/10.15560/17.3.729 journal article 10.15560/17.3.729 1809-127X Pristimantis quaquaversus (Lynch, 1974) Material examined. ECUADOR • 1 adult ; Napo Prov- ince, WWS , Waterfall Trail ; 00.6847°S , 077.6002°W ; 3 April 2014 ; QCAZ 57314 . Identification. This species has a hidden tympanum, ex- panded finger discs, conical eyelid and heel tubercles, and several smaller tarsal tubercles. The groin can be cream, pink, or purple. This species lacks basal toe membranes, dorsolateral folds, and scapular ridges. Males reach 22.5 mm and females 31.3 mm ( Ron et al. 2019 ). Pristimantis rubicundus (Jiminez de la Espada, 1875) Material examined. ECUADOR • 1 adult ; Napo Prov- ince, WWS , F.A.C.E. Trail ; 22 July 2016 ; QCAZ 5730 . Identification. This is a rather large species of brown Pristimantis with finger I slightly longer than finger II. The tympanum is visible, and a large conical heel tubercle and several tarsal tubercles are present. The dorsal skin is tuberculate, and there are eyelid tubercles as well. The finger discs are expanded, and basal toe membranes are absent. Males reach 35.6 mm SVL and females 51.2 mm SVL ( Ron et al. 2019 ). Habitat. The single specimen found in this study came from primary forest. Remarks. Both the IUCN and Ecuadorian Red lists identify this species as Endangered. Pristimantis trachyblepharis (Boulenger, 1918) Material examined. ECUADOR • 1 adult ; Napo Prov- ince, Pacto Sumaco ; 27 July 1992 ; QCAZ 36268 • 3 adults ; Napo Province , WWS ; 00.6759°S , 077.5998°W ; 1485 m a.s.l. ; 18 Apr. 2014 ; MZUTI 3531 , 3537 to 3538 . Identification. This may be the smallest species of Pristimantis in South America ( Lynch and Duellman 1980 ). The back is pale yellow, light brown, or reddish brown, the flanks are yellow, and the axillary region is brown. There is a brown cloacal triangle, and the back of the thighs are brown to gray. The venter is gray to brown, with a yellow to brown throat with brown spots. The iris is pale gray with a horizontal reddish-brown line. Males reach a maximum SVL of 15.8 mm and females 19.2 mm SVL ( Ron et al. 2019 ).