Key to genera of Discocerinini from the Saudi Arabia

1. Notopleuron bare of setulae............................................................................ 2.

- Notopleuron setulose in addition to 2 large setae............................................................ 3.

2. Postsutural supra-alar seta strong, distinct, longer than posterior notopleural seta. Face with dorsoclinate seta at lower lateral extremity............................................................. Diclasiopa galactoptera (Becker, 1903)

- Postsutural supra-alar seta very short or absent, if distinguishable distinctly shorter than posterior notopleural seta. Face without dorsoclinate seta at lower lateral extremity................................................ Hecamedoides Hendel

3. Parafacial wide and bearing setulae.......................................... Discocerina obscurella (Fallén, 1813)

- Parafacial narrow and lacking setulae............................................. Orasiopa mera (Cresson, 1939)