The yellow-rumped antwren (Euchrepomis sharpei) is endemic to the Yungas (east Andean foothills) of Bolivia (La Paz and Cochabamba) and immediately adjacent Peru (Puno and Cusco). It is rarely seen but has been recorded at the Cochabamba-Villa Tunari road, Chapare, Cochabamba, in 1979; in the Serranía Bellavista north of Caranavi, La Paz, in 1979-1980 and 1997, although playback surveys at the start of the breeding season in 2005 failed to find it and it may no longer be present there; Cerro Asunta Plata, La Paz in 1993; Rio Paracti, Chapare, Cochabamba in 2000, and between San Juan del Oro and Putina Punco, Puno in 2007. It may have been overlooked to some extent, and it may possibly occur in reasonably high density along the Manu road, where it occurs above its congener T. calliota in th