White Acacia Leaf Beetle - Dicranosterna circe
Looks like a Paropsis species but I don't really know.
Different angle here:
https://www.jungledragon.com/image/55139/unidentified_leaf_beetle.html
Dicranosterna circe is a leaf beetle in the Chrysomelidae family and the paropsini tribe. Dicranosterna is a genus of large and very convex beetles feeding exclusively on Acacia. Larvae are globose. Dicranosterna is endemic to Australia an D. circe is restricted to the Brisbane region of Queensland.
Similar species: Beetles
