Micrurus silviae Di-Bernardo et al., 2007

Type locality. Miranda Stream, Passo Fundo, state of Rio Grande do Sul, Brazil .

Distribution. Known from Argentina, Brazil, and Paraguay, at the southern portion of the South American open diagonal (Plt. 111A). In Brazil, recorded in the Pampas Grasslands (Plt. 111A), mostly at low elevations (Plt. 111B). Previous maps and taxonomy in Roze (1996), Campbell and Lamar (2004), and Silva Jr. et al. (2016). Observed in the field in grassland (Di-Bernardo et al., 2007b; Silva Jr. et al., 2016).