Agree Anoplognathus, but may not be A. montanus, which usually has a tuft of hairs attached to the end of the abdomen. Will investigate further. Good to see that Christmas beetles still exist in numbers somewhere!
Eucalyptus trees at this location and a different type of euc on the entry road to Uriarra East carpark. All the trees' upper leaves had been eaten as there were hundreds of beetlesAssociated plant