secundus Walker, 1848: 180 . Type locality: unknown. HT F (BMNH). Distr.: Colombia (Caquetá (P.N.N. Chiribiquete, Cuñaré-Amú; Rio Sararamano; Rio Mesay, Rio Cuñaré), Chocó (Rio Sucio, Cocarica), Cauca (Rio Raposo), Meta (Villavicencio)), Guatemala to Peru, Surinam and Paraguay. Refs.: Bequaert & Renjifo-Salcedo, 1946: 78 (Tabanus (Neotabanus) lineola var. stenocephalus Hine); Fairchild, 1971: 92 (cat.; as syn. of dorsiger Wiedemann, 1821); Moucha, 1976: 103, 138 (cat.; as syn. of dorsiger Wiedemann, 1821); Fairchild & Burger, 1994: 149 (cat.); Coscaron & Papavero, 2009: 142 (cat.); Pisciotti & Miranda 2011: 9 (as stenocephalus) (report).

stenocephalus Hine 1906: 27.