Fig. (A5_3) photo 1 - roseifrons III (Río Madre de Dios, Peru; photo: K.-H. Lambert); photo 2 - parvifrons (Río Shanusi, Peru; see variation); photo 3 - peruviana (Río Cenepa, Peru), photo 4 - dilutissima (Río Ené, Peru); photo 5 - pereneensis (Sondobeni, Río Perené, Peru); photo 6 - orosaensis (Río Orosa, Peru); photo 7 - lucianii (Rio Madeira, Brazil).

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