sustainability through science & innovation
Growers or advisers experiencing chemical control failures involving the redlegged earth mite (Halotydeus destructor, RLEM), or suspecting issues with insecticide resistance, are encouraged to contact us to access a resistance testing service.
RLEM populations from paddocks which are frequently impacted by the mites, and often require spraying are also ideal candidates for resistance testing.
The testing service is available across SA, NSW, Victoria and Tasmania, and will be at no-cost for Australian grain growers and advisers, thanks to funding from the GRDC.
The service will not only help detect any resistance before it becomes widespread but will also help identify the best control options for growers. A kit can be provided containing the necessary equipment to send mites in if required.
Insecticide resistance in the RLEM is no longer isolated to Western Australia, after resistance was confirmed in multiple RLEM populations from South Australia in 2017.
This resistance is likely to spread to other states, including Victoria and New South Wales. Growers and advisers are encouraged to remain vigilant; spray paddocks only when mite numbers warrant it, inspect paddocks post-spraying and to report any suspected spray failures.
One of the major RLEM management challenges is that growers are limited in their options to rotate chemicals between different mode of action groups. We encourage using non-chemical controls tactics to assist reducing reliance on chemical controls as outlined in the RLEM insecticide resistance management strategy.
For further information or to access the testing service, please contact:
Aston Arthur
0427 875 040
What is PestFacts?
PestFacts south-eastern keeps growers and advisers informed about invertebrate pests and beneficials in broadacre crops and pastures during the winter-cropping season in Victoria and southern New South Wales.
PestFacts south-eastern is run through IPMforGrains: Best Practice Insect Pest Management, a project delivered by the National Pest Information Network (cesar, DPIRD, QDAF, NSW DPI, and SARDI). This project aims to provide grain growers and advisors with information on invertebrate grain pest occurrence and equip industry with the knowledge needed to implement integrated pest management practices. This initiative is a GRDC investment and includes in-kind contributions from all project partner organisations.
We need your reports
PestFacts is produced on an ʻas-needsʼ basis and relies upon pest observations and field reports from our subscribers. If you have recently observed invertebrate pests (or beneficial species) in broadacre crops, please contact us to report your observations.
Agricultural invertebrate identification
If you are a grower or agronomist in Victoria or NSW working with broadacre crops or pastures, we can assist you with identifying invertebrates found on farms at no cost. Please contact us for identification help.
PestFacts map
PestFacts map is an interactive tool that allows users to search and view historical pest reports across Victoria and NSW. The map is updated with each issue of PestFacts to include new reports.
How to acknowledge PestFacts?
With appropriate acknowledgement, cesar grants permission to reproduce information taken directly from PestFacts. To cite PestFacts: “PestFacts south-eastern (<<enter date published>>). cesar pty ltd.”
Contact us
0484 310 697
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