Key to male of the Brazilian Fittkauimyia
1. Anterior half of TII–VII with three areas of brown pigmentation, one central and two lateral, TVIII light brown............................................................................................. F. carranquensis sp. n.
- TII-VIII with wide anterior brown bands................................................................... 2
2. Gonostylus with apical 2/3 slightly bristled; antepronotum with 1 seta; scutellum with 9–11 setae....... F. mayumiae sp. n.
- Gonostylus with apical half densely bristled; antepronotum with 3–4 setae; scutellum with about 18 setae................................................................................................ F. crypta Serrano et Nolte