gamaxus Walker, 1851: 142 (Asilus) . Type locality: “ Colombia ”. HT m# (UNKN). Refs.: Williston, 1891: 90 (cat.); Martin & Papavero, 1970: 89 (cat.); Papavero, 2009:139 (cat.).

gammaxus Hull, 1962 (2): 545 ( Asilus), error.