Key to the Afrotropical Phytodietus species of the subgenus Weisia (females only)

1. Epicnemial carina present.............................................................................. 2

− Epicnemial carina absent............................................................................... 3

2. Fore wing with a distance between 2 rs-m and 2 m-cu 1.1× length of 2 rs-m; propodeum and first metasomal tergite yellow with wide, black band medially.............................................. P. (W.) pearlus Kostro-Ambroziak, 2011

− Fore wing with the distance between 2 rs-m and 2 m-cu 2.0× length of 2 rs-m; propodeum and first metasomal tergite entirely black (Fig. 2C)............................................... P. (W.) kasarani Varga & Kostro-Ambroziak, sp. n.

3. Face with distinct punctures; temples blackish.................................. P. (W.) meridionalis (Benoit, 1959)

− Face with rather fine punctures; temples yellow............................................................. 4

4. Clypeus with a transverse convexity and its apical margin with a weak notch centrally; first abscissa of Cu 1 joining cu-a in a straight line................................................................... P. (W.) bredoi (Benoit, 1953)

− Clypeus without a transverse convexity and its apical margin without a notch centrally; first abscissa of Cu 1 joining cu-a at an angle...................................................................... P. (W.) citrinus (Seyrig, 1932)