A new species sighting for NatureMapr of this tropical species, a 'Pearl moth], Steniini tribe Spilomelinae subfamily, Crambidae family. Probably a minor pest of rice crops. northern Australia and SE Asia. https://lepidoptera.butterflyhouse.com.au/spil/admixtalis.html
Thanks Ruby - Gang-gangs have shown interest in this hollow previously but not nested in it - maybe this year are you able to visit it in October and report what you see?