Woodlands Historic Park Flies

Hunchback Fly (Steganopsis melanogaster) at Woodlands Historic Park
Hunchback Fly, early May. About 3mm 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 Lauxaniidae - A fly Family, 276 named species in Australia
Genus Steganopsis
Species Steganopsis melanogaster