dimidiatus (Fabricius), 1781:434 (Syrphus). Type locality: "Americae meridionalis insulis". HT M (?).

Distr.: Colombia (Antioquia, Caldas (Samaná, Norcasia), Cundinamarca (Bogotá, Cáqueza), Meta (Guayabetal, Via Apiay Villavo), Santander (Piedecuesta), Sucre (San Onofre), Tolima, Valle del Cauca), Brazil, Costa Rica, Cuba, Hispaniola, Jamaica, Less Antillas, Mexico, Puerto Rico.

Refs.: Hull, 1949c:240, fig. 232 (abdomen); Thompson et al. 1976:16 (cat.); Thompson, 1981:34, fig 34 (dorsal view of posterolateral portion of thorax), 38 (occiputs lateral view), 47 (M genitalia complex); Reemer, 2010:178 (desc.), fig 29–30 (habitus, males, female), 101 (larva).

Material examined. COLOMBIA: Caldas: Samaná, Norcasia, 5.538340°, -74.969231°, 980m, 6.x.1992, Leg. Molano A. Camero (ICN); Cundinamarca: Bogotá, km91 carretera Bogotá–Villavo Pipiralito, 4.139059°, - 73.780962°, 1000m, 14.vi.1980, Leg. Hernandez C. Bohorquez (ICN); Cáqueza, Vereda Ubatoque, 4.405278°, - 73.950000°, 1743m, 14.viii.1989, Leg. L.P. Moreno (ICN); Meta: Guayabetal, 4.215273°, -73.814434°, 1100m, 18.x.1976, Leg. Chavarro Gerardo (ICN); Via Apiay Villavo, 4.105925°, -73.597319°, 380m, Leg B. González. (ICN); Santander: Piedecuesta, 6.987834°, -73.047684°, 1100m, 12.x.1978, Leg. L. Caballero (ICN); Sucre: San Onofre, 9.646080°, -75.581129°, 5m, 11.x.2003, 1female, Leg. Entomology Group (CEUA).