Key to the males of the “ aepitus group”

1 Uncus with disto-lateral lobes (Fig. 29C)....................................................... solange sp. nov.

- Uncus without disto-lateral lobes (Figs 27 C–28C, 30C–35C)................................................... 2

2 Harpe with ventral process broad, non-cylindrical and longer than tegumen (Figs 27 E–30E).......................... 3

- Harpe with ventral process narrow and cylindrical (Figs 33 E–35E) or short and triangular, in this case shorter than tegumen (Figs 31 E–32E)....................................................................................... 5

3 Harpe with dorsal process on proximal margin; ventral process longer than tegumen+uncus, with distal end angular (Fig. 27E).......................................................................................... aepitus

- Harpe with the dorsal process away from the proximal margin; ventral process shorter than tegumen+uncus, with angular or rounded distal end (Figs 28E, 30E)....................................................................... 4

4 Harpe with distal end of ventral process dilated and rounded (Fig. 28E).............................. panama sp. nov.

- Harpe with distal end of ventral process angled (Fig. 30E).......................................... delfos sp. nov.

5 Harpe with long and cylindrical ventral process (Figs 33 E–35E)................................................ 6

- Harpe with short and triangular ventral process (Figs 31 E–32E)................................................ 7

6 Harpe with ventral process strongly arched in dorsal view, with bristles on subapical portion (Fig. 35F)...... bamba sp. nov.

- Harpe with ventral process slightly arched in dorsal view, with bristles on apical portion (Figs 33 F–34F)................ 8

7 Ampulla distally curved ventrally (Fig. 31E); distribution restricted to Central America (Fig. 78)................... maya

- Ampulla straight (Fig. 32E); distribution restricted to the Brazilian coast (Fig. 79)..................... litoralis sp. nov.

8 Cornutus as a triangular plate, containing thick spines directed laterally (Fig. 47); distribution restricted to South America (Fig. 79)....................................................................................... liege sp. nov.

- Cornutus as an elongated plate, containing fine spines directed posteriorly (Fig. 46); distribution restricted to Central America (Fig. 78).......................................................................................... rica