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Abstract
We describe a new species of Selvasaura from the montane forests of the eastern slopes of the Andes in northern Peru, based on external and hemipenial morphological characters and previous phylogenetic analyses. The new species can be differentiated from the other two Selvasaura species in having keeled dorsal scales usually flanked by longitudinal striations, in adults and juveniles; adult males with a yellow vertebral stripe bordered by broad dark brown stripes on each side and a unilobed hemipenis surrounded by the branches of the sulcus spermaticus. The description of the new species contributes information about new states of diagnostic characters of Selvasaura and natural history.
Highlights
The subfamily Cercosaurinae is the most diverse taxon of Gymnophthalmidae, currently containing 22 genera
Based on external and hemipenial morphological characters here we describe this clade as a new species of Selvasaura from the montane forests of northern Peru
The allocation of the new species in the genus Selvasaura is based on previously published phylogenetic evidence (Torres-Carvajal et al 2016, in press; Moravec et al 2018)
Summary
The subfamily Cercosaurinae is the most diverse taxon of Gymnophthalmidae, currently containing 22 genera. The fast pace of generation of knowledge about the diversity of Cercosaurinae is, in part, due to the inclusion of samples from little-surveyed localities in recently published phylogenies (Goicoechea et al 2013, 2016; Torres-Carvajal et al 2016; Sánchez-Pacheco et al 2017; Moravec et al 2018; Fang et al 2020; Mamani et al 2020; Vásquez-Restrepo et al 2020) These studies have revealed that the highly diverse montane forests of the eastern slopes of the Andes of Peru (Young and León 2000) harbor new and endemic lineages of Cercosaurinae lizards (Goicoechea et al 2013; Chávez and Catenazzi 2014; Echevarría et al 2015; Mamani et al 2015, 2020; Venegas et al 2016; Chávez et al 2017; Moravec et al 2018; Lehr et al 2019, 2020; Torres-Carvajal et al 2020). Moravec et al (2018) described this clade as the genus Selvasaura, including a single species, S. brava Moravec, Šmid, Štundl & Lehr, 2018, an arboreal lizard from the eastern montane forests of the Andes of central Peru Another species of Selvasaura was described from the Amazonian slopes of the Andes of Ecuador based on morphological and molecular data (Torres-Carvajal et al in press).
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