South-eastern Brazil (extreme south-eastern Minas Gerais, Rio de Janeiro and central and eastern Sío Paulo south to western and central Paraná and north-western Rio Grande do Sul), eastern Paraguay (Canendiyu, Alto Paraná, Caazapá) and extreme north-eastern Argentina (northern Misiones).
 
Population
Estimated population is unknown (2010).
Bertoni's Antbird (Drymophila rubricollis) [XC550567]
by Bernabe Lopez-Lanus from Forestal Belga (Cruce Caballero), San Pedro, Misiones, Argentina (song)
Bertoni's Antbird (Drymophila rubricollis) [XC323497]
by Rodrigo Dela Rosa from Doutor Pedrinho, Santa Catarina, Brazil (song)
Subspecies
Members of genus form a well-defined clade, and appear to be closely related to Hypocnemis. Closely related to Ferruginous Antbird (Drymophila ferruginea), and until recently treated as conspecific.