The Knapweed Flowerhead Weevil is winter cold hardy and yet thrives in hot, dry summer knapweed environments. If you have spotted or diffuse knapweed, you should get some of these beetles released this year. Both the Blunt and Lesser knapweed weevils are compatible in your knapwee infestations. Cartons of105 adults are $100.00.
Larinus obtusus
Knapweed Flowerhead Weevil
Larinus minutus
Blunt Knapweed Flower Weevil
Larinus obtusus


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Biological Control of Weeds, Inc.
1418 Maple Drive • Bozeman, MT 59715
Phone 406-586-5111 FAX: 406-586-1679