It is found in Nigeria, Cameroon, Equatorial Guinea, Gabon, the Republic of the Congo, Angola, the Central African Republic, the Democratic Republic of the Congo, Uganda and Tanzania.

Adults are on wing mainly just before the beginning of the rain season.

Adult males mud-puddle, but have also been observed feeding on rotten fish.

Graphium ucalegon belongs to a species group with 16 members.

All are very similar The species group members are: External images from Royal Museum of Central Africa.