This antwren is endemic to Bolivia. A 2003 reserve-bird paper records one female-plumaged bird found in the Pilón Lajas area in 1997. Its back was warm olive-brown, with slight rufous on the wings and tail.
The female-plumaged bird recorded in 1997 had warm olive-brown upperparts, slight rufous on the wings and tail, and unmarked wing-coverts.
The single bird was recorded in the understorey of a mixed-species flock.
An extinction-risk assessment has not been added yet.