This antwren forages in waterside thickets along streams and lakes in northwestern Amazonia. Males are strongly black-and-white striped; females have rufous and black stripes.
It is about 10 cm long. The male is strongly striped black and white above and below, with a black tail and an indistinct white terminal band. The female has rufous and black streaking on the head and underparts.
It feeds in thicket-like vegetation growing in semi- or permanently flooded places along streams and lakes.
An extinction-risk assessment has not been added yet.