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Biocontrol Report VIII
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BIOCONTROL REPORT VIII

By Paul Heiple

There’s not much to report in the world of yellow star-thistle biocontrol this year. It was a good year for the weevils and flies but they are still not enough to take out YST in Edgewood. They once again gave us extra time to remove the plants before they went to seed, a major plus for control that the weeders have enjoyed for several years now.

New biocontrol species may be on the way to Edgewood in the next few years, and I will report their arrival when it occurs.

Meanwhile, much progress is being made with mowing and hand pulling and if the bugs do not show up soon, there may not be any YST in Edgewood for them to infest.


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