We have only seen this species once in Woodlands Historic Park.
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 Depressa
Species Depressa atrata