sustainability through science & innovation
There have been several new reports of redlegged earth mites (Halotydeus destructor) and blue oat mites (Penthaleus spp.). Farm consultant, Tim Condon (Delta Agribusiness) has reported blue oat mites on emerging oats in the South West Slopes. Numbers at this stage are low but will be monitored. John McCredden (North West Ag Services) reports blue oat mites and redlegged earth mites on dry sown vetch in parts of the Mallee. The numbers have not been in damaging levels and the recent dry conditions may limit their build up in some areas.
Redlegged earth mites have also been reported in paddocks in large parts of the Wimmera. Most of the affected crops are being sown into paddocks with a pasture history. The majority of mite activity has been observed on emerging canola. Farmer Chris Brain has reported redlegged earth mites in the Western district, also on canola seedlings. Distinguishing blue oat mites from redlegged earth mites is critical for effective control. For information about the biology, correct identification and control options see PestFacts Issue No. 1.
A reminder, Aston Arthur from the University of Melbourne is conducting research on the biology and pest status of mite pests in Southern Australia (see PestFacts Issue No. 1). If you observe any outbreaks or chemical control failures, and are interested in participating in this work, please contact Aston by email at: a.arthur@pgrad.unimelb.edu.au.
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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