Fruit growers search for answers as second Riverland fruit fly outbreak in eight days declared ThuThursday 31 updated ThuThursday 31 A second outbreak of Queensland Fruit Fly has been detected in South Australia's Riverland. ( Print text only Cancel Fruit producers in South Australia's Riverland region are scrambling to meet strict product quarantine rules, with a second outbreak of Queensland fruit fly declared in the region inside eight days. Key points: A second fruit fly outbreak has been declared in South Australia's Riverland region, this time at Monash Stone fruit and grape growers face an uncertain harvest period Primary Industries and Regions SA is working with growers on treatment options