Musk Thistle Weed Control from Integrated Weed Control




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Musk Thistle

Rosetted fedding weevil

Trichosirocalus horridus: This weevil feeds on young growing shoot tips and rosette leaves. This insect has more effect on plant densities when the already widespread Rhinocyllus conicus is present.
$50 per release.

Tortoise beetle

Cassida rubiginosa: The larvae and adults of this beetle feed on the stems and foliage of Canada and musk thistle. Overwintering adults begin feeding and laying eggs in early spring. Feeding is continuous until well after the first frost. Plants are often severely defoliated by this hardy and effective beetle.
$90 per release.

Integrated Weed Control
4027 Bridger Canyon Road
Bozeman, MT 59715-8433

Toll Free: 1- 888-319-1632
FAX: 1-406-587-1989
E-mail: iwc@integratedweedcontrol.com

Problem Weeds

Leafy Spurge || Knapweeds || Canada Thistle
Musk Thistle || Yellow Starthistle
Poison Hemlock || Yellow and Dalmatian Toadflax
Saint Johnswort || Common Mullein
Purple Loosestrife || Rush Skeletonweed

Photographs courtesy of Integrated Weed Control, USDA ARS, APHIS Bozeman Bio-control Station, and Agriculture Canada.