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Insecticide Resistance

Get involved in Australian sheep blowfly research targeting insecticide resistance by submitting samples of maggots and/or flues during the upcoming flystrike season to two AWI funded collaborative projects.



Do you know what insecticides are effective against blowflies on your property?

Take advantage of FREE INSECTICIDE RESISTANCE TESTING available now to determine the most cost-effective blowfly treatment for your property.

This jointly funded AWI and NSW DPI project aims to determine the insecticide resistance profiles of blowflies across all wool producing states.

By participating in this research and providing live maggot samples, you'll receive results for your property which show the chemical groups that are most effective for your flock.





The maggot collection kit

Simply collect 20 or more blowfly maggots in the tubes, fill in the strike record sheet and send to DPI NSW in the padded reply-paid envelope provided

The results for your property will be e-mailed or phoned through to you. This process takes approximately 6-9 weeks for blowflies as the researchers have to breed the flies through 2 generations to test.

Your confidentiality will be maintained, and results for the project only attributed to a region or state. At the conclusion of the project you will also receive information at a state level and, if enough submissions are received, at a regional level.

 For further information or to request a postage paid maggot collection kit please contact Narelle Sales at DPI NSW via email at or phone (02) 4640 6446



Get involved in a project to better understand the blowflies in your region.

Researchers from the University of Melbourne are seeking assistance from growers across the country to collect blowfly samples on their property for genetic analysis. This AWI funded project is to identify genetic differences in blowfly populations across Australia. Delivered in collaboration with the flystrike vaccine project, the findings from this work will provide critical information for the future implementation of effective blowfly management control strategies, including containment of blowfly insecticide resistance outbreaks.

The University of Melbourne will supply selected growers with fly traps and all you will need to do is collect the trapped blowflies in the provided collection tubes at three different times during the upcoming 2019/2020 season (start, middle and end of fly season).

It will take around 20 minutes to set up the trap which can remain out all season and less than 30 minutes to collect the flies each time (<2 hours total), then simply post the samples to University of Melbourne in the reply-paid envelope provided.

A fly trap, collection tubes and reply-paid post bags for the three samples will be provided.

1. Set up trap                               2. Put flies into sample tubes                       3. Post back to UOM

(three times over the season)


For further details or to sign up to assist with this study please contact Trent Perry, Clare Anstead or Vern Bowles at University of Melbourne via email at or (03) 8344 2362