This species was quite common in Woodlands Historic Park in the summer of 2021/2022, but before that we never saw it.
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 Syrphidae - Hover Flies, 166 named species in Australia
Genus Eristalinus
Species Eristalinus punctulatus