GRDC press release
Locust hatchings spark need for landholder vigilance
Key points:
• Growers urged to monitor for locust hatchings now
• Predicted hatching dates available at
www.daff.gov.au/animal-plant-health/locusts/current• Updated fact sheet available at
www.grdc.com.au/locust_factsheetAuthorities are urging landholders across south eastern Australia to now closely monitor their properties for locust activity in the wake of confirmed hatchings in the north of both New South Wales and Victoria.
Recent heavy rainfall in many regions may cause a slight delay in hatchings but the abundance of vegetation throughout the southern agricultural zone could result in hatchings going unnoticed.
Authorities across all states, with support from the Grains Research and Development Corporation (GRDC), are encouraging landholders to therefore closely check their paddocks to ensure hatchings are promptly reported so control measures can be activated.
The Australian Plague Locust Commission (APLC) says that even though forecast peak hatchings may be some weeks away in many districts, hatchings will continue to occur from now on.
“Landholders need to monitor predicted hatching dates by constantly checking the APLC website at
www.daff.gov.au/animal-plant-health/locusts/current and start checking for hatching several weeks prior to the forecast peak hatching date,” said Chris Adriaansen, Director of the APLC.
“All locust outbreaks, be they adult swarms or hatching nymphs, should be reported immediately to authorities,” Mr Adriaansen said.
The campaign to manage the predicted plague continues to intensify. Control centres have begun operating through New South Wales, Victoria and South Australia and chemicals and resources have been deployed in readiness.
To support growers in their preparations for an assault on locusts, a fact sheet available on the GRDC website at
www.grdc.com.au/locust_factsheet provides the latest information on insecticide use, chemical rebates, locust risk zones and updated predicted hatching dates on a region-by-region basis.
National and state industry organisations and authorities have worked together to develop and update this comprehensive fact sheet containing crucial information on locust control and management measures.
The fact sheet has been produced by the GRDC and the APLC, state departments, the Australian Pesticides and Veterinary Medicines Authority (APVMA) and members of the National Agribusiness Reference Group (NARG).
National Agribusiness Reference Group spokesman Bruce Cairns said it was important that landholders were well prepared by assessing the locust risk on their properties, estimating the size of the problem and ensuring they are equipped with the necessary product control requirements.
“Growers should consult with their local suppliers well in advance so they are ready to protect crops and pastures by using targeted applications of registered or permitted insecticides,” Mr Cairns said.
The APLC says the most effective locust control will need to commence around two weeks after hatching, and should be completed in advance of the forecast fledging dates, after which locusts will have developed the ability to fly and swarm.
While the APLC and the state agencies have planned to undertake strategic control at national and regional levels, the role of landholders in effectively dealing with locusts in spring remains crucial to the overall success of the response.
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