Coastal eastern Brazil (Paraíba south to Rio de Janeiro). Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC284569]
by Odirlei Vieira da Fonseca from Reserva Ecol\u00f3gica de Guapi A\u00e7u (REGUA), RJ, Brazil (call)
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC616612]
by Odirlei Vieira da Fonseca from Esta\u00e7\u00e3o Ecol\u00f3gica de Murici, Murici, Alagoas, Brazil (call)
Subspecies
Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).