Chironius quadricarinatus (Boie, 1827)

Type locality. Brazil .

Distribution. Endemic to Brazil (Plt. 128A). Widespread in the Cerrado, Atlantic Forest, and with isolated records in Pantanal and savanna enclaves in Amazonia (Plt. 128A), mostly at intermediate to high elevations (Plt. 128B). Previous maps and taxonomy in Dixon et al. (1993). Observed in the field in grassland, savanna, and coastal grassland (Nascimento et al., 1991; Dixon et al., 1993; FranÇa and Araújo, 2006; FranÇa et al., 2006).