No obvious red dorsal warts on penultimate segments, so not Lymantriinae. Unlike any in http://lepidoptera.butterflyhouse.com.au/arct/arctiinae-cats.html
The key to recognizing this moth seems to be the large bulge in the line of the costa (visisble ar some angles), the charactertic large squarish dots along the outer margin of the forewing and the light orange-coloured hidwing (not visible here but which can be seen in Sighting No. 4437749 , Only the second sighting of this species. Excellent photo.
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