[1] Cyphononyx optimus is a species of spider wasps in the family Pompilidae.

[1] C. optimus can reach a length around 50 mm (2.0 in).

The wings are black, too, with bluish reflections.

[2] Females of this genus hunt and paralyse large spiders, mainly Palystes species.

[3][2] This species can be found in subtropical forests, savanna, and bushveld of Ethiopia, Kenya, Uganda, South Africa, and Zimbabwe.