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) [XC269890]
by Jerome Fischer from Reserva Ecol\u00f3gica de Guapi A\u00e7u (REGUA), RJ, Brazil (call)
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC668363]
by Odirlei Vieira da Fonseca from Reserva Ecol\u00f3gica dos Petroleiros, Tingu\u00e1, Nova Igua\u00e7u, RJ, Brazil (call, song)
Subspecies
Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).