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) [XC830926]
by Ricardo Gagliardi from RPPN Esta\u00e7\u00e3o Veracel, Santa Cruz Cabr\u00e1lia, State of Bahia, Brazil (song)
Silvery-flanked Antwren (Myrmotherula luctuosa) [XC341379]
by Jerome Fischer from Mata do Crasto, Munic\u00edpio de Santa Luzia do Itanhy, Sergipe, Brazil (song)
Subspecies
Considered by some authors to be a subspecies of White-flanked Antwren (Myrmotherula axillaris).