albifrons (Wiedemann), 1830:189 (Eristalis). Type locality: " Brazil ". HT M (NMW).

Distr.: Colombia (Bolivar (Mucura), Magdalena (La Rinconada), Nariño (La Rinconada), Santander (Charalá, Cimitarra), Sucre (San Onofre)), Bahamas, Brazil, Costa Rica, Cuba, Ecuador, Guatemala, Mexico, Puerto Rico, Jamaica, Hispaniola.

Refs.: Hull, 1925a:35 (desc.), pi. 1:7 (abdomen); Bean, 1949:144, fig. 3 (M genitalia); Thompson et al. 1976:107 (cat.); Thompson, 1981:151 (synomyms and notes), figs. 177 (male abdomen, dorsal) 180 (head,males, dorsal view).

Material examined. COLOMBIA: Bolivar: Mucura, Isla de San Bernardo, 9.781757°, -75.872394°, 6m, 2males, 1female, 6.i.2003, Leg. M. Wolff & P. Duque, Net (CEUA); Magdalena: La Rinconada, 9.231884°, - 74.492215°, 17m, Leg. C. Elster (ICN); Nariño: La Rinconada, 1.507414°, -77.112540°, 2300m, Leg. C. Elster (ICN); Santander: Charalá, Virolin, 6.304190°, -73.173909°, 1800m, 1.iii.1981 (ICN); Cimitarra, Corregimiento Puerto Olaya, Central Termocentro–Isagen, Humedal Norte, 6.473122°, -74.395383°, 110m, 15.vi.2005, 1female, Leg. M. Cataño & C. Rivera, Light trap (CEUA); Sucre: San Onofre, 9.646080°, -75.581129°, 5m, 4males, 1female, Leg. C. Velásquez (CEUA).