Formicivora is a genus of bird in the Thamnophilidae family.
It contains the following species:
- Narrow-billed Antwren, Formicivora iheringi: Endemic to eastern Brazil where it occurs in Bahia and Minas Gerais states. Its natural habitat is deciduous and semi-deciduous forest between 250 and 1,050 metres above sea level. The continued existence of this species is threatened by habitat destruction.The Narrow-billed Antwren is sometimes put in the monotypic genus Neorhopias.
- (Southern) White-fringed Antwren, Formicivora grisea
- Northern White-fringed Antwren, Formicivora (grisea) intermedia
- Black-bellied Antwren, Formicivora melanogaster: Found in Bolivia, Brazil, and Paraguay.
- Serra Antwren, Formicivora serrana: Endemic to Brazil.
- Restinga Antwren, Formicivora littoralis: Endemic to Brazil.
- Black-hooded Antwren, Formicivora erythronotos: Endemic to Brazil.
- Rusty-backed Antwren, Formicivora rufa: Found in Bolivia, Brazil, Paraguay, Peru, and Suriname.
- Sincorá Antwren, Formicivora grantsaui – Only described in 2007.