Key to males of Comanopa (C. fasciata only known from the female)

1. In posterior view, aedeagus without subapical processes ................................................................. 2

– In posterior view, aedeagus with subapical processes (Fig. 12) ....................................................... 3

2. Pygofer with processes poorly developed, not exceeding the ventral margin (Blocker 1982: 646, fig. 28). In posterior view, aedeagus not split apically ........... C. hamiltoni Blocker, 1982 (Jamaica)

– Pygofer with processes developed, exceeding the ventral margin (Blocker 1979: 37, fig. 77). In posterior view, aedeagus split apically ................. C. puertoricensis (Caldwell, 1952) (Puerto Rico)

3. In posterior view, aedeagus with subapical processes very short, triangular-shaped (Blocker 1979: 37, fig. 79) .................................................................................. C. adelpha Blocker, 1979 (Panama)

– In posterior view, aedeagus with subapical processes long, directed laterally (Fig. 12) .................... ....................................................................................................... C. mananciensis sp. nov. (Brazil)