Psomophis genimaculatus (Sauvage, 1884)

Type locality. Paraguay .

Distribution. Known from Argentina, Bolívia, Brazil,and Paraguay (Plt. 344A). In Brazil, recorded in the Pantanal and western portion of the Cerrado (Plt. 344A), mostly at low elevations (Plt. 344B). Observed in the field in forest and open areas (Giraudo and Scrocchi, 2002; Sousa et al., 2010).