Thamnodynastes hypoconia (Cope, 1860)

Type locality. Buenos Aires, Argentina .

Distribution. Known from Argentina, Brazil, Paraguay, and Uruguay (Plt. 354A). In Brazil, widespread in the Cerrado, Pantanal, Atlantic Forest, and Pampas Grasslands, with marginal records in the Araucaria Forest and the Caatinga (Plt. 354A) from low to high elevations (Plt. 354B). Observed in the field in wet grasslands, palm marshes, and gallery forest (FranÇa and Araújo, 2006; Martins et al., 2008b; Hartmann et al., 2009; Guedes et al., 2014).