This small antbird ranges from Peru's eastern Andean foothills into adjacent western Bolivia and Brazil. Its throat and belly are yellow, and the eyebrow differs in color between the sexes.
About 12 cm long, with a black crown, short tail, two white wing bars, yellow throat and underparts with sparse black breast streaks, and rufous flanks. The male's eyebrow is white; the female's is yellow.
It searches dense foliage at treefalls, forest edges, and in stands of Guadua bamboo.
An extinction-risk assessment has not been added yet.