Banded Blue Pierrot

The following description is taken from Charles Thomas Bingham Fauna of British India: Butterflies Volume II (1907).

Male. Upperside, forewings and hindwings: medially and obliquely crossed by a very broad pure white band that is broadly edged on its inner and outer margins by dark blue and does not extend on the forewing above vein 6, just above vein 3 it projects outwards for a short distance whence the inner margin of its dark blue edging is carried obliquely to vein 6; the extreme bases of the wings black; the costal margin of the fore and the terminal margins of both forewings and hindwings broadly black; on both wings a light iridescent blue suffusion from base outwards. Underside: snow-white. Forewings and hindwings: the following jet-black markings: Forewing: two broad more or less parallel streaks from base extended obliquely to the costa, the outer of the two apically curved and on the costa coalescent with the inner streak; costal margin very narrowly edged with black; an anterior, post-discal, outwardly oblique, short bar, slightly clavate posteriorly, extends between the costa and vein 5; opposing this there is between the dorsum and vein 3 a similar but erect and apically non-clavate bar; beyond these there is an inner and outer transverse complete subterminal series of spots followed by an anteciliary slender black line; the spots of the inner subterminal serie …

The butterfly occurs in Sri Lanka, South India, Sikkim to Assam, and onto Myanmar. Also in the southern Andaman Islands and Nicobar Islands. In South East Asia, the butterfly is found in Cambodia, Thailand, Laos, Vietnam and Hainan, Malay Peninsula, Singapore, Sumatra, Java, Borneo, Philippines, Palawan, Nias, Sumbawa, Anambas Islands, and Sulawesi.