Phalaenoides tristifica (Willow-herb Day-moth)
Similar to the Grapevine Moth (P. glycinae) but has different wing markings.
See: https://lepidoptera.butterflyhouse.com.au/agar/tristifica.html
The larva feeds on Epilobium and Oenothera.
Gallery
Regional distribution
Phalaenoides tristifica is listed in the following regions: