Redlegged earth mite RMS – Western Australia
Resistance management strategy for the redlegged earth mite in Australian grains and pastures in Western Australia
- The redlegged earth mite (RLEM) is an important pest of germinating crops and pastures across Westerrn Australia.
- Four chemical sub-groups are registered to control RLEM in grain crops: organophosphates (Group 1B); synthetic pyrethroids (Group 3A); phenylpyrazoles (Group 2B); and neonicotinoids (Group 4A). The latter two are registered only for use as seed treatments.
- Insecticide resistance in RLEM is presently confined to Western Australia. There are high levels of resistance to pyrethroids within WA populations; resistance to organophosphates has also recently evolved.
- A strategy to manage insecticide resistance in RLEM populations is available for use by grain growers and their advisers. The strategy varies across regions to be most effective.
Want to keep up to date? https://grdc.com.au/FS-RLEM-Resistance-strategy-West
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