Kirsty McKenna filmed entire colonies clinging on to debris, ready to make nests on dry ground in Queensland and beyond

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Fire ants are forming rafts to survive and travel on flood waters caused by ex-Tropical Cyclone Alfred in south-east Queensland as experts warn extreme weather events could sweep the highly invasive species into other parts of Australia.

Footage captured in the Scenic Rim and northern Gold Coast in recent days shows red imported fire ants (Rifas) grouping together and floating on flood waters. Clumps of the ants can then be seen forming nests on previously uninfested land after waters receded.