Diptera: Tachinidae
Rutilia sp
Rutilia species fly.
This large attractive fly, which I came across during a stop at Moonbi Lookout, is considered to be beneficial as it is parasitic on other insects, including pest species*.
*Zborowski, Paul and Storey, Ross (2010). A Field Guide to Insects in Australia 3rd Ed..
Reed New Holland, p.202.