Graphium megarus, the spotted zebra, is a species of swallowtail butterfly found in Southeast Asia.
It is common and not considered to be threatened; however, the nominate subspecies is protected by law in India.
[1] Male upperside black with the following white streaks and spots.
Female similar, ground colour duller, more fuliginous black; markings similar, on the forewing slightly broader, on the hindwing slightly narrower, than in the male.
[2] Karl Jordan in Seitz (pages 105) provides a description differentiating megarus from nearby taxa and discussing some forms.