Polyura hebe, the plain nawab, is a butterfly belonging to the brush-footed butterflies family. Wikipedia
Please check this website for Plain Nawab Life Cycle Butterfly Cycle
It takes 12 days from Pupa Stage to become butterfly.
When butterflies first emerge from the chrysalis they get rid of wastes produced while they were metamorphosing. This is a reddish-orange liquid called meconium. While it looks a little like blood, meconium is not a health risk to humans.
Please check in the video that detail, you can see the liquid being released.
