Woodlands Historic Park Flies

Tachinid Fly, green abdomen at Woodlands Historic Park
Parasitic Fly, mid January. About 20mm long.

Classification

from Australian Faunal Directory

Order Diptera - Flies, 8955 named species in Australia at Nov. 2021
Division Cyclorrhapha - Flies having Short Antennae with a Bristle or Arista
Family Tachinidae - Parasitic Flies, 520 named species in Australia
Subfamily Dexiinae
Genus Rutilia
Species ?