Wingspan: 24 mm
The caterpillars feed on both weeds and native plants in the Oxalis family which are fairly common in the park. While this photo was taken on a small patch of native grassland on the Melbourne Airport Land, we can expect to see the butterfly in the park as well.
Classification
from Australian Faunal Directory
Order Lepidoptera - Moths and Butterflies, 10855 named species in Australia
Family LYCAENIDAE - Blues, Coppers and Hairstreaks, 157 species in Australia
Genus Lucia (1 Species in Australia)
Species Lucia limbaria