Key to species of Philetus (males)
1 Terminalia with cercus bifid apically; hypandrium without apical rods; postgonite projected dorsally as broad U-shaped lobe (Cumming et al. 2016, figs 17–20). Antenna with postpedicel broadly produced apically (Cumming et al. 2016, fig. 8)..................................................................................... P. schizophorus Melander
- Terminalia with cercus simple, elongate, not bifid apically (Figs 3, 5); hypandrium with hooked-shaped apical rods (Fig. 4); postgonite projected dorsally as wide rounded lobe (Fig. 4). Antenna with postpedicel narrowly produced apically (Cumming et al. 2016, fig. 7)..................................................................................... 2
2 Terminalia with cercus rounded apically, without pronounced apical ventral hook (Fig. 3); ventral subepandrial lobe with digitiform apex and thumb-like preapical medially-directed process (Fig. 5); medial subepandrial lobe absent; epandrial lobe with posteriorly hooked dorsal process (Figs 3, 5); hypandrium with narrow median apical process (Figs 3, 4)..... P. kitsi sp. nov.
- Terminalia with cercus bearing pronounced apical ventral hook; ventral subepandrial lobe with broadly deflexed apex, lacking preapical medially-directed process; medial subepandrial lobe present; epandrial lobe with bifid dorsal process; hypandrium with thick median apical process (Cumming et al. 2016, figs 13–16).......................... P. memorandus Melander