Berlepsch and Stolzmann, 1894,
Maraynioc, Junín, Peru.
Hitherto (apart from when first described) treated as conspecific with D. taeniata and D. carrikeri, but differs from latter in characters given under that species. Differs from former in its blue stippling all over crown and forming indistinct collar (2); dull dark grey-blue vs matt black central crown to mantle and back (3); narrower buff breastband (1); and very different song, a single high-pitched whistle (minimum frequency >6.5 kHz) vs 2–4 whistles (score at least 3) at lower frequencies (typically at least 2)#R. Monotypic.
E slope of Andes in Peru (from S side of Marañón Valley, in Amazonas, S to N end of Cordillera Vilcanota, in Cuzco).
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