Certainly matches the photo at https://lepiforum.org/wiki/page/Poecilasthena_ischnophrica_En Apparently widespread, otherwise knwn from Tasmania, South Australia and Western Australia. https://lepidoptera.butterflyhouse.com.au/lare/ischnophrica.html
I think the brown southern and western ones are Poecilasthena xylocyma, while not all have barcodes those that do fall into the same bin as Poecilasthena xylocyma