Dung beetles

Page last updated: Monday, 3 February 2025 - 8:33am

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The bush fly is a native insect that has affected the lives of Western Australians since before European settlement. They survive over winter in the wheatbelt and further north-east, build up there in early spring and are pushed by easterly winds into the south-west each October to start a new season of local breeding.

Twelve species of introduced dung beetles have established in Western Australia, with 10 doing well in the south-west. Nevertheless, there is still a period during spring and early summer in some years when bush flies cause annoyance.

Dung beetle soil health initiative 

The WA Government is investing in a $500,000 action plan to combat the build-up of native bushflies impacting South West tourism and local residents.

The Dung beetle soil health initiative will help farmers adopt the beneficial species to help reduce the bushfly population across the region.

Warren Catchments Council Inc has been awarded the tender to the manage the soil health initiative project and drive the long-term establishment of dung beetles in the area, drawing on its extensive expertise and connections in the region. It will undertake the work in partnership with the Wilson Inlet Catchment Committee.

The initiative includes support for South West livestock producers to integrate dung beetles into their operations to improve soil health and reap the benefits from improved pastures, including better animal growth rates and more milk in dairy cattle. Education, extension and outreach activities will be an integral part of the program to help landholders better understand the bushfly breeding cycle, benefits to their businesses and measures to help reduce the fly population.

The initiative will also partner with farmers and tourism businesses to undertake research and trials to identify suitable dung beetle species that deliver a successful, year round program – backed by science and experience.

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David Cousins

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