Fazenda Agua Limpa (University of Brasília field station), near Vargem Bonita c.18km SSW of Brasília TV Tower. From below the Olho de Agua da Onça to the Córrego Taquara
Departamento Rio Negro Neblina Massif, Cayon Grande, along the Rio Mawarinuma between the mouth of the canyon and the first major fork of the river, ca. 7 airline km ENE of Puerto Chimo;0°50´-0°51´N, 66°02´-66°06´W.