Wingspan: 52 mm
This is a northern Australian species the caterpillars of which feed on several species of Caper Bush or the related Warrior Bush. These bushes do not grow in Victoria unless cultivated, so although the butterflies regularly migrate south there is no established population here.
Classification
from Australian Faunal Directory
Order Lepidoptera - Moths and Butterflies, 10855 named species in Australia
Family PIERIDAE - Whites and Yellows, 40 species in Australia
Genus Belenois (1 Species in Australia)
Species Belenois java