This antbird occurs in the Brazilian states of Rondônia and Mato Grosso and eastern Bolivia. Males have black-and-white streaks, while females have browner heads and backs.
Males have black-and-white streaks on the head and back and rusty flanks and rump. Females are browner on the head and back.
It searches leaves and vines for insects in dense understory of lowland evergreen forest, including seasonally flooded forest and terra firme.
An extinction-risk assessment has not been added yet.