Type locality. Brazil.
Distribution. Known from Argentina, Bolivia, Brazil, Paraguay, and Uruguay at the southern portion of the South American open diagonal (Plt. 375A). In Brazil, widespread in southern Atlantic Forest, Pampas Grasslands, and Araucaria forest, with marginal records in the Cerrado and Pantanal, (Plt. 375A), from low to high elevations (Plt. 375B). Previous map and taxonomy in Dixon (1989). Observed in the field in grasslands, forest edge, lakes, wetlands, and gallery forest (Martins et al., 2008b; Sawaya et al., 2008; Bérnils, 2009; Marques et al., 2009; Costa et al., 2010).