This wasp was seen in April 2023, the first time we have seen a wasp in this family. It was searching on a dead Sugar Gum, trying to find a beetle larva inside the tree that it could parasitize.
Classification
from Australian Faunal Directory
Order Hymenoptera - Wasps, Ants, Bees and Sawflies, 12202 named species in Australia
Family Aulacidae - 79 species in Australia
Genus ?
Species ?