Xenodon rabdocephalus (Wied, 1824)

Type locality. “ Sertão of Bahia, Brazil.”

Distribution. Known from Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela, largely associated to South American major forested biomes (Plt. 404A). In Brazil, widespread in Amazonia, and in central and southern Atlantic Forest, forming a disjunct distribution, with marginal records in the Chiquitano Dry Forest, northwestern Cerrado and its contact areas with the Pantanal (Plt. 404A), mostly at low elevations (Plt. 404B). Observed in the field in wetlands and gallery forest in (Martins and Oliveira, 1998; Martins et al., 2008b; Nogueira et al., 2010).