§ Dyscinetus rugifrons (Burmeister, 1847)

Chalepus rugifrons Burmeister 1847: 80 (Brazil - LECTOTYPE)

Distribution. Brazil: Burmeister 1847: 80; Arrow 1937b: 18; Blackwelder 1944: 253; Endrödi 1966a: 396 (designation LECTOTYPE Chalepus rugifrons), 1985a: 166; Lachaume 1992: 18; Joly and Escalona 2010: 214; Moore et al. 2018b: 274. Venezuela (EO): Joly and Escalona 2010: 214 (EO); Moore et al. 2018b: 274 (EO). Other: Blackwelder 1944: 253 (Argentina); Endrödi 1966a: 396 (Argentina, Bolivia, Paraguay), 1985a: 166 (Argentina, Bolivia, Paraguay); Lachaume 1992: 18 (Argentina, Bolivia, Paraguay); Joly and Escalona 2010: 214 (Argentina, Bolivia, Paraguay, Uruguay); Moore et al. 2018b: 274 (Argentina, Bolivia, Paraguay, Uruguay).