Erythrolamprus frenatus (Werner, 1909)

Type locality. Paraguay .

Distribution. Known from Argentina, Brazil, and Paraguay (Plt. 374A). In Brazil, recorded in the Atlantic Forest and southern portion of the Cerrado (Plt. 374A), at low to intermediate elevations mostly in the in the upper Paraná drainage (Plt. 374B). Previous map and taxonomy in Fernandes et al. (2002), see also Dixon (1983). Observed in the field in wet grassland near palm marshes in Cerrado, near water bodies (CCN, pers. obs.).