Great Eggfly, Common Eggfly (Male)

H. bolina is a black-bodied butterfly with a wingspan of about 70–85 millimetres (2.8–3.3 in).
The upper side of the wings are jet black, offset with three pairs of white spots &two on the forewing and one on the hind. These white spots are surrounded by purple iridescence. In addition, the upper side of the hind wing bears a series of small white dots.
Source - http://en.wikipedia.org/wiki/Hypolimnas_bolina