Suggest Stenoderus sp. based on CSIRO https://www.ento.csiro.au/biology/cerambycidae/cerambycidae.html# but not identified further. ALA has a similar species identified as S. ostricilla but the darker band is only at the tip of the abdomen https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:156a4ba4-391b-4fa6-b79e-4e7dc3f1f0b6#gallery
I agree Alison, the apical metallic green marking is variable in its extent. There may be more than one species involved, but images online do not provide any clues about that, so I will call this one S. ostricilla for the time being. I will check the genus in the ANIC when I can.