Protopolybia bituberculata Silveira & Carpenter 1995: 48

Paratypes: 3♀ (# MZSP 57089‑57091) ‘ Peru, Depto. [Departament] Loreto, 40 km NE Iquitos, 29 December 1990, Carpenter & Wenzel, Nest 901229‑7’ ‘ Paratype, Protopolybia bituberculata, Silveira & Carpenter’.