Protopolybia alvarengai Richards, 1978

Protopolybia alvarengai Richards, 1978: 139, 146. (holotype: ♀, Brasil: RO, Pimenta Bueno, xi.1960 (M. Alvarenga) (UFPR- DZUP), examined.

Diagnosis. Length of fore wing 4.37–4.62 mm; clypeus wide, with ventral margin approximately rounded; front margin of pronotum distinctly angled a little below the fovea; metanotal process with apex truncated; propodeum with wide and deep excavated cavity, like a central channel; species black to brownish, with few yellow marks; vertex and mesoscutum black; scutellum with two spots, scutellum, metanotum, propodeum and T2 anteriorly yellow.

Material examined. BRAZIL: Pará, 4♀, Santarém, Taperinha, 1974 (R. L. Jeanne) (BMNH) , 1♀, Belterra, 23.xi.1993 (G.C. Venturieri), 3♀, 12.xii.1999 (MPEG) .

Distribution. Brazil: Rondônia, *Pará; Colombia: Nariño.