Prince Harry waved his hands around in an attempt to drive away the pests as Ms Sandow spoke - much to the amusement of the crowd and his wife Meghan.
Their first engagement of the day involved meeting the Royal Flying Doctors Service, a healthcare provider that offers aviation services to rural parts of the country.
The welcome included one young fan, Luke Vincent, who broke the ropeline to embrace the prince, playfully playing with his beard.
Prince Harry is now Luke's favourite person alongside Santa Claus.
Prince Harry has cheekily mocked a camera-shy young girl who refused to pose for a photograph with the visiting royal.
After wrapping up their bout of handshaking, the Duke and Duchess have met with the Governor of Victoria and her husband Anthony Howard QC for a reception at Government House.
This is the heartwarming moment a little boy warmly embraced the Duke and Duchess of Sussex on their global tour in Australia. "I know that life has not been easy".
Harry and Meghan were invited for a morning tea at the homestead and the duchess surprised her hosts by bringing along a banana bread she had baked herself at Admiralty House, where the couple are staying in Sydney.
"We have known each other for a long time, but we really are relying on each other a lot recently". "And he introduced him to his wife and said, 'She would love a cuddle too.' And he said, 'Luke will you please give my wife a hug as well?'" she continued.
"To have them recognize that our farmers are hurting, and show up here, it's an honour", Johnston said.
While Millie Sutcliffe, 10, from Dubbo South Public School, hugged both royals.
"You are all in this together and, if I may speak personally, we are all in this together", Harry said.
"A smile, a wave. a hint of the baby's name, an invitation to the pub", she said.