The Stripe-chested Antwren is sexually dimorphic and forages in humid montane forest on the eastern Andes. It is often associated with bamboo patches; its northern Amazonian occurrence is local.
Males have black-and-white streaked upperparts and white underparts with black streaks on the breast and belly; the throat is plain white and the black tail has white tips. Females are brown or rufous with black streaks on the head, upperparts, and breast.
It forages in humid montane forest and is often associated with bamboo patches. The species is also recorded locally in northern Amazonia.
An extinction-risk assessment has not been added yet.