Biocontrols

Biological weed control is the deliberate release of specialized natural enemies from the weed’s native range to reduce the weeds abundance or spread in its introduced range.  Since the state listed noxious weeds in Montana are exotic species, they have few established natural predators.  Biocontrol methods generally suppress host weed populations, but will most often not eradicate them.  Therefore, integrating other weed management methods with biocontrol is critical.  Typically, biocontrol is most effective on dense weed infestations that cover large areas.  These insects are not adaptable to all sites; therefore evaluation must be used to find where they will be most effective.  Contact your local weed coordinator or extension agent for help with this type of management.  There are designated biocontrol area representatives for Montana that may be able to help you and they are as follows:

Area

Affiliation

Name

Email

Southwest

Madison Valley Ranchland Group

Melissa Griffiths

weedcommittee@madisonvalleyranchlands.org

West

Missoula County

Bryce Christiaens

bryce@missoulaeduplace.org

Triangle

Hill County

Terry Turner

hillcountyweed@gmail.com

Triangle

Pondera County

Pam Converse

pocoweed@3rivers.net

Central

Fergus County

Brady Cannon

fcweeds@co.fergus.mt.us

Southcentral

Sweet Grass County

Evelyn Halverson

sgcoweed@mtintouch.net

Southeast

Powder River County

Jennifer Olson

JEsp@prco.mt.gov

Northeast

Roosevelt County

Clay Petersen

roosweed@nemont.net

State

MT Biocontrol Coordinator

Melissa Maggio-Kassner

mmaggio@missoulaeduplace.org

 

For more information on biocontrol please contact Melissa Maggio-Kassner at mmaggio@missoulaeduplace.org.

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