Whitehall Biological Control Project 

Learn About Whitehall Bio Control: 6/21/2023



Leafy spurge flea beetles

The crew is having a hard time finding many Dalmatian toadflax stem-boring weevils so far this spring. We have had good collections in the Missoula and Clinton areas for the past several years. This year we went there on June 14th to collect and the cool wet, windy weather plus the site crashing made it hard to find many weevils. The site "crashing" means that many of the weeds have been killed by the bioagent so because of a lack of food, there are not many insects left to collect. This is only a problem for us, the landowners are ecstatic! It happens to us often; we just try to find new c...

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