gastrostactus (Wiedemann), 1830:123 (Syrphus). Type locality: " Brazil ". HT M (AMNH).

Distr.: Colombia (Antioquia (Alejandria), Caldas, Cundinamarca, Meta, Risaralda), Brazil, Costa Rica, Venezuela.

Refs.: Hull, 1943f:65, fig. 2 (alula); 1949c:226, figs. 163–164 (abdomens); 258, figs. 299–300 (wings); Thompson et al. 1976:19 (cat.).

Material examined. COLOMBIA: Antioquia: Alejandria, 6.401714°, -75.058838°, 1200m, 1male, 8.xi.07, Leg. A.L. Montoya, Vsr. Fish (CEUA).