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Range DescriptionThis Peruvian endemic occurs north of the Río Mayo and along the Río Huallaga, in the Regions of San Martín and Loreto, Peru. Northernmost populations can be found along the Río Panapura, near Yurimaguas, while the northern spur of Cordillera Azul near Chazuta comprises the southernmost limit of its range (J. L. Brown, E. Twomey and T. R. Kahn pers. comm. July 2011). It has an altitudinal range of 180-1,200 m asl (J. L. Brown, E. Twomey and T. R. Kahn pers. comm. July 2011). It is known from 13 geographical localities and threat-defined locations (J. L. Brown pers. comm. July 2011), and its extent of occurrence is estimated to be about 5,318 km2 based on the minimum area polygon.