Adelium pustulosum (Darkling beetle)
Matches description of Adelium victoriae (later synonomised with Adelium pustulosum) in Carter, H.J. Proc. (1908) Linnaean Soc. NSW v.33. Key features include: 3rd joint of antennae is shorter than 4th and 5th joints combined, dark bronze body colour, intervals of elytra are flat, not interrrupted and are striate-punctate, posterior angle of pronotum is widely obtuse and pronotum is slightly rugose.
Also image looks like that of the holotype in ALA taken from Museum Victoria specimen
