Prinstimantis ventrimarmoratus (Boulenger, 1912)

Llanqui, Irbin B., Y. Salas, Cinthya & Oblitas, Melissa P., 2019, A preliminary checklist of amphibians and reptiles from the vicinity of La Nube Biological Station, Bahuaja-Sonene National Park, Peru, Check List 15 (5), pp. 773-796 : 781-782

Prinstimantis ventrimarmoratus (Boulenger, 1912)

Material examined. MUSA 4838; Transect TN2, 28. IX.2013. MUSA 4839; Transect TN5, 27.IX.2013.

Identification. A member of Pristimantis unistrigatus species group according to Lynch and Duellman (1997), Hedges et al. (2008) and, Duellman and Lehr (2009), but unassigned to any species group by Padial et al. (2014). A moderate-sized Pristimantis species , SVL 17.8–26 mm in males and 33–44 mm in females. It can be identified by having the skin on dorsum shagreen; venter coarsely areolate; discoidal fold prominent; dorsolateral folds absent. Upper eyelids lack tubercles. Finger I <II, discs on fingers expanded. Dorsum tan with irregular brown mottling and distinct diagonal bars on the limbs. Venter white with bold black mottling. Conspicuous brown labial bars are present. Surface of the thighs cream with dark brown diagonal bars. Similar species in neighboring localities are: P. altamazonicus , which has a cream venter, and posterior surface of thighs black with red mottling; P. imitatrix which has tubercles on the upper eyelids ( Duellman and Lehr 2009).

Distribution. Pristimantis ventrimarmoratus is distributed in the Amazon Basin and cloud forest of Bolivia, Ecuador, and Peru below 1800 m a.s.l. ( Duellman and Lehr 2009, Frost 2019).