Diadoxus feed on native cypress pines (Callitris) . There are three species as follows;
(1 ) Diadoxus regius Peterson, 1991 Danyo Bushland Reserve Dec 15
Map source, ALA; Cypress Jewel Beetle
Map source ALA; Small Cypress Jewel Beetle
(3 ) Diadoxus jungi
Diadoxus Saunders, 1868
Diadoxus erythrurus (White, 1846)
Diadoxus jungi Blackburn, 1899
Diadoxus regius Peterson, 1991