Key to males of Dutrapona gen. nov.

1 Male pygofer with hair-like setae on ventral half of median third (Figs 13, 26); subgenital plate elongate, ventral surface with long hair-like setae (Figs 15, 28); style ventral margin without projection (Figs 17, 30); aedeagus with basilateral process extending beyond shaft apex (Figs 18, 31)................................................................. 2

- Male pygofer without hair-like setae on ventral half of median third (Fig. 39); subgenital plate ligulate, ventral surface without long hair-like setae (Fig. 41); style with large acute ventral projection (Fig. 43); aedeagus with basilateral process not attaining shaft apex (Fig. 44); (Panama)..................................................... Dutrapona zahniseri sp. nov.

2 Body length including forewing> 17 mm; forewing with reticulate venation (Fig. 10); style, in lateral view, with blade enlarged sub-apically (Fig. 17) (Ecuador)................................................... Dutrapona reticulata sp. nov.

- Body length including forewing <13 mm; forewing with non-reticulated venation (Fig. 23); style, in lateral view, with blade narrow along entire length (Fig. 30) (Costa Rica)........................................ Dutrapona tenuis sp. nov.