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Paropsisterna 8-maculata
Length approx. 7mm
Open Woodland
Most leaf beetles are monophgagous and Paropsine group favor Eucalyptus or Acacia. Your beetle is probably a mimic of a ladybird beetle or another chrysomelid (Calomela crassicornis) that mimics a ladybird beetle. Foodplant can often be definitive for identifying a beetle (and butterfly, moth etc.) and many entomologists soon learn some botany (and some latin).
Not too sure Martin, travelling back that way next week & will take a closer look. It did look like some type of eucalypt.
Do you recall the foodplant Mac?
It looks like Bursaria.
The beetle certainly looks very interested.