Three new associations of Philornis Meinert, 1890 flies and Thamnophilidae are registered: Formicivora erythronotos (Hartlaub) with Philornis sp., Thamnophilus ruficapillus (Vieillot) with P. downsi and Thamnophilus palliatus with P. glaucinis.
Philornis; Formicivora erythronotos; Thamnophilus ruficapillus; Thamnophilus palliatus (Lichtenstein); Thamnophilidae; bird