sustainability through science & innovation
Grower, Damien Barri, has experienced considerable feeding damage to pasture paddocks near Kilmore, in the Northern Country of Victoria. Upon closer inspection, high populations of redlegged earth mites (Halotydeus destructor) were observed. Redlegged earth mite numbers also continue to increase across many other regions of Victoria and southern NSW. Mite population sizes typically build-up in mid-late spring, so it is important to keep an eye out.
Control of redlegged earth mites can be timed to occur during a short window of the season - during spring - before the production of diapause or ‘over-summering’ eggs. This approach, known as TimeriteÒ, will reduce redlegged earth mite numbers the following autumn. However, the timing of spraying is critical and dependant on location. In many regions this spray-date has now passed, therefore growers should be aware that spraying this late in the season is unlikely to impact mite numbers next autumn.
Click here for images of redlegged earth mites and refer to PestFacts Issue No. 2 for further information.
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.”
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