Papilio nireus, also called Narrow Green Banded Swallowtail is a butterfly from Afrotropic ecozone (Africa). They are found from Senegal until Somalia and South Africa. Larval food

Rutaceae:

Calodendrum capense
Citrus aurantium
Citrus limonia
Clausena anisata
Teclea natalensis
Teclea swynnertonii
Toddalia asiatica
Vepris undulata
Zanthoxylum