Woodlands Historic Park Wasps

Black wasp with yellow face - family Tiphiidae at Woodlands Historic Park
Parasitic Flower Wasps mating - the male is on the left.
Face of male black Tiphiid wasp at Woodlands Historic Park
Face of the male

Classification

from Australian Faunal Directory

Order Hymenoptera - Wasps, Ants, Bees and Sawflies, 12202 named species in Australia
Family Tiphiidae - Parasitic Flower Wasps, 618 named species in Australia
Genus ?
Species ?