Key for the known male imagoes of Procloeon (Procloeon) in the Oriental region

1. Hind wings present.................................................................................... 2

- Hind wings absent; segment II of forceps ca. 2.5×length of segment I; cerci ca. 1.8×length of body................................................................................................... Procloeon (P.) narumonae

2. Costal projection of hind wing located at 1/3 distance from the base, longitudinal vein forked at base............................................................................................... Procloeon (P.) rubeosternum

- Costal projection of hind wing located at 1/2 distance from the base, longitudinal vein not forked........................................................................................... Procloeon (P.) kottagudiensis sp. nov.