Narrow Green-banded Swallowtail Butterfly Papilio nireus

Narrow Green-banded Swallowtail Butterfly female
Narrow Blue-banded Swallowtail Butterfly female
The Narrow Green-banded Swallowtail Butterfly, also called the Narrow Blue-banded, is native to Africa and southern Arabia. The green-blue colour varies with the light.
Like many "Swallowtails," this butterfly does not have "tails." Patterns of the male and female vary. Above is the female with well-defined crescent spots at the edge of the hind wings.
Narrow Green-banded Swallowtail Butterfly male
Narrow Green-banded Swallowtail Butterfly male
Narrow Blue-banded Swallowtail Butterfly male
Above is the male butterfly showing, left, a more well-defined narrow band but more "blobby" spots on the edge of the hind wing. By the time he has aged (centre), the edge markings have frayed.
Narrow Green-banded Swallowtail Butterfly male
Narrow Green-banded Swallowtail Butterfly male
Narrow Blue-banded Swallowtail Butterfly male
The major difference in appearance of male and female is the side (ventral) view. The male, above, has fairly plain underside wings with a distinct cream line on the edge of the hind wing.
Narrow Green-banded Swallowtail Butterfly female
Narrow Green-banded Swallowtail Butterfly female
Narrow Blue-banded Swallowtail Butterfly female
The female butterfly has significantly different underside wings, lighter with blurred white markings, shadows and spots and without the cream line on the hind wing.