Learn About Whitehall Bio Control
June 7, 2023

Photo courtesy TODD BREITENFELDT
The Dalmatian toadflax stem boring weevil on a toadflax stem. Releases of this weevil will be available in early/mid-June.
The Whitehall Biological Control Project (Whitehall Project) has existed since the early 1990s and is based out of Whitehall Schools. It is associated with the Jefferson County Weed District. Jill Allen is the Jefferson County Weed Coordinator (406-225-4165) and Todd Breitenfeldt is the Whitehall Project Coordinator. The Project hires Whitehall area high school and early college/trade school students and deals mostly with insects, as well nematodes, mites, and fungi (biological control agents) that help control Montana State designated noxious weeds - such as leafy spurge and spotted knapwe...
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