Key to male species of Favintiga

1 Aedeagal shaft with basal process nearly extending to apex of shaft or shorter than the length of shaft.................. 2

- Aedeagal shaft with basal process strikingly extending beyond apex of shaft.................... F. polyacantha sp. nov.

2 Connective stem with bifurcated process apically on ventral surface............................................. 3

- Connective stem extended posteriorly, apex unevenly bifurcated..................................... F. gracilipenis

3 Aedeagal shaft without basal dorsal bulge, preatrium elongate........................................ F. camphorae

- Aedeagal shaft with slightly basal dorsal bulge, preatrium absent................................. F. paragracilipenis