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Bracca matutinata
The adult moth of this species is noteworthy for its size, being rather large for a Geometrid. It has a wingspan of about 6 cms. It is buff coloured, with a pattern of yellow and black dots.
It occurs from Mackay in Queensland to Sydney in New South Wales.
I agree with NuwanChathuranga on the Bracca matutinata. If you look at the back for the Gray Face, it's the same as well as the edges on the wings.