Jalmenus daemeli

Jalmenus daemeli, the Daemel's blue, Dämel's blue or emerald hairstreak, is a butterfly of the family Lycaenidae, and was first described in 1879 by Georg Semper It is endemic to the Australian states of New [South Wales] and Queensland, where it is found in coastal areas. It is named after Eduard Dämel, the collector of the type series.
The wingspan is about 2 cm.
The larvae feed on a wide range of plants, including Acacia species, Eucalyptus melanophloia and Heterodendrum diversifolium.
The caterpillars are attended by the ant species Iridomyrmex rufoniger.