Advertisement call of Dendropsophus bilobatus sp. nov. from the RAPELD Jaci-Novo sampling site, Jaci-Parana River, a tributary of the east bank of the upper Madeira River, municipality of Porto Velho, Rondônia, Brazil. A Oscillogram of a call series composed of 24 calls. Spectrograms (upper graphs) and oscillograms (lower graphs) of calls formed by B one C two D three and E four pulsed notes. Recorded male: INPA-H 41303. Air temperature: 25.7 °C.