Appearance
The wingspan is about 20 mm. Adult females have a brown upperside, while the males are blue with narrow black margins. The underside of both sexes is pale brown with light and dark wavy lines.Pupation takes place in a pale brown pupa, which is formed in debris on the ground under the food plant.
Naming
*"Nacaduba biocellata biocellata"⤷ "Nacaduba biocellata armillata"
⤷ "Nacaduba biocellata baliensis"
Distribution
It is found in Australia, Singapore, the New Hebrides, Sumba, and Bali.
Food
The larvae feed on the shoots, flowers and buds of various "Acacia" species, including "A. aneura", "A. betchei", "A. brachybotrya", "A. deanei", "A. erinaceae", "A. irrorata", "A. karroo", "A. ligulata", "A. osswaldii", "A. penninervis", "A. rigens", "A. salicina", "A. sclerophylla", "A. sowdenii" and "A. victoriae". They can have a wide range of colours depending on their host plant, including pink, orange, yellow or green. Their colour appears to depend on the nature of the and buds on which they are feeding. They are attended by ants, mostly "Iridomyrmex" species, including "I. purpureus" and "I. viridiaeneus".References:
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