Locusts have become airborne in the Riverland and the state's north, threatening crops and even Adelaide gardens as authorities admit no part of South Australia is safe from the hungry hordes, Adelaide Now reports.
Residents at Morgan, in the Riverland, described swarms up to 20m high at the weekend as the pests "devoured" the town oval.
Adult locusts have also taken to the skies near Hawker, in the Flinders Ranges, signalling the start of a difficult new phase in the State Government's battle to keep them under control.
Australian Plague Locust Commission director Chris Adriaansen said while no one could predict where the swarms would go next, the insects could travel up to 700km a night, putting them well within range of Adelaide.
Mr Adriaansen said once locusts had taken to the skies, it was too late to spray them and damage was unavoidable
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