Maybe a Phyllotocus rufipennis beetle and a Perga affinis sawfly - can you make a separate sighting and crop the first photo so there is only one species per sighting?
Michael had this one right originally. Orange abdomen. Refer- https://southernforestlife.net/notes/2024/6/27/pergagrapta-species-identification Discussion here- https://inaturalist.ala.org.au/observations/148882834