Two new species of Ranitomeya have been described from Peru: R. cyanovittata and R. yavaricola. Both species are members of the vanzolinii genetic group and both are known only from eastern Peru along the Brazilian border.
Perez-Pena, P. E., Chavez, G., Twomey, E., & Brown, J. L. (2010). Two new species of Ranitomeya (Anura: Dendrobatidae) from eastern Amazonian Peru. Zootaxa, 2439, 1-23.