aemula (Willison), 1888:272 ( Volucella). Type locality: Bolivia, Santa Cruz, Piedra Blanca. (4 km West of Corumba, Mato Grosso, Brazil). HT F (AMNH).

Distr.: Colombia (Sucre), Bolivia, Brazil.

Refs.: Val, 1972 (key, biometry, evolution, M genitalia); Thompson et al. 1976:69 (cat.); Thompson, 1991:251 (redesc.), fig. 1 (facial profile), 5 (wing), 8, 9, 13 (M genitalia complex).

Material examined. COLOMBIA: Sucre: San Onofre, 9.646080°, -75.581129°, 5m, 11.x.2003, Leg. Entomology Group (CEUA).