Pristimantis sternothylax
It is found on the Cordillera de Huancabamba , Cordillera Occidental , Cerro Aypate , and Cerro Toronche in northern Peru as well as in the Loja Province in southern Ecuador . 
<triplet> Peru <subj> Ecuador <obj> shares border with <triplet> Loja Province <subj> Ecuador <obj> country <triplet> Ecuador <subj> Peru <obj> shares border with <subj> Loja Province <obj> contains administrative territorial entity