The female is similar but with yellow markings instead of white.
Classification
Species counts from Australian Faunal Directory
Order Hymenoptera - Wasps, Ants, Bees and Sawflies, 12202 named species in Australia
Family Halictidae - Sweat Bees, A Short-tongued Bee family, 384 named species in Australia
Genus Lasioglossum
Sub-genus Australictus
Species Lasioglossum (Australictus) peraustrale