Myrmotherula is a genus of bird in the family Thamnophilidae. Several species previously included in this genus as the "stipple-throated group" have now been transferred to a new genus, Epinecrophylla. These are all small antbirds, measuring 9-11.5 cm (3.5-4.5 in).Myrmotherula presently contains the following species: Streaked group: Grey group (may include Formicivora):