South-eastern Brazil in coastal region from southern Bahia south to Santa Catarina and northern Rio Grande do Sul, extending inland in south to western Paraná.
 
Population
Estimated population is unknown (2010).
Star-throated Antwren (Rhopias gularis) [XC753332]
by Luiz C. Silva from Bamboo Trail, Nova Friburgo, State of Rio de Janeiro, Brazil (song)
Star-throated Antwren (Rhopias gularis) [XC427902]
by Ricardo Gagliardi from Parq. Municipal Morro do Ouro, Apiai-SP, S\u00e3o Paulo, Brazil (canto)
Subspecies
Relationships uncertain. Often placed with the Western Stipple-throated Antwren (Epinecrophylla haematonota) group (the "stipple-throated antwren assemblage") because of its dotted throat, but that placement is put in question by the finding of a cup rather than globular nest. Also, its behaviour suggests that it may be related to Rufous-bellied Antwren (Isleria guttata) and Plain-throated Antwren (Isleria hauxwelli). Its vocalizations appear to be intermediate.