The Whitehall Ledger - Serving Southern Jefferson County in the Great State of Montana

Articles written by Todd Breitenfeldt

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 By Todd Breitenfeldt    News    May 27, 2020 

The Whitehall Project: Dalmatian Toadflax, Yellow Toadflax and Their Hybrids

Dalmatian toadflax (Linaria dalmatica) and yellow toadflax (Linaria vulgaris) are two closely related state designated noxious weeds that were inadvertently brought over from Eurasia. Both damage farming, range lands and wildlands. They have yellow...

 

Whitehall Project Monitoring for Houndstongue Insect

As you probably know, the nasty invasive weed houndstongue (Cynoglossum officinale (Boraginaceae)) has small oval/flat seeds that stick to about everything. I have spent countless hours combing them out of my Brittanys fur after bird hunts (spray-on...

 
 By Todd Breitenfeldt    News    May 13, 2020

The Whitehall Project: Looking for Canada Thistle Fungus Release Sites in Jefferson County

The Whitehall Biological Weed Control Project is up and running this season, modified a bit of course for COVID safety. Our first order of business is looking for 8-10 Canada thistle fungus release sites. This will entail two visits to each site....

 

Busy year for the Whitheall Project

The Whitehall Biological Weed Control Project has had a busy year. We started June 1st and have collected/released the following numbers so far: Mecinus janthiniformis (Dalmatian toadflax stem weevil, collected near Missoula and Helena): 4,100 = 41 r...

 

Whitehall Project: Leafy Spurge Flea Beetles, where do they work?

There are 6 species of flea beetles approved for release on leafy spurge. They are: Aphthona abdominalis Aphthona cyparissiae Aphthona czwalinae Aphthona flava Aphthona lacertosa Aphthona nigrascutis They are a very small beetle with a back...

 

Whitehall Project Gears Up for Summer of 2019

After a decade of being a not-for-profit organization, we are back under the auspices of the Jefferson County Weed Board and Jefferson County. We are pleased to be working under the direction of...

 

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