Graphium adamastor, the Boisduval's white lady, is a butterfly in the family Papilionidae (swallowtails).

[2] G.adamastor is very similar to the preceding species Graphium agamedes and only differs in that the transverse spot of the cell of the forewing is larger and reaches the front margin of the cell, the discal spot in cellule 2 on the contrary is smaller and rounded or entirely wanting, so that the median hand is here interrupted.

Both sexes feed from flowers, including Calodendrum splendens.

Graphium adamastor 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.