The invasive plant damages dunes and shorelines but produces popular honey, creating conflicting interests for conservation ...

Michigan considers using two weevil species to control the invasive spotted knapweed, balancing ecosystem health and ...

Should the state use non-native insects to fight an invasive plant? The biological control may be the best solution to ...

The seedhead and root-boring weevil feed only on invasive spotted knapweed, and die when the weed is no longer available, ...

– Short lived perennial growing from 1-foot to 3-feet tall. – Flowers are purplish-pink, urn or vase-shaped, about 1/2-inch to 1-inch tall with dark comb-like bracts under the bloom. – Knapweed ...

A recent study sheds new light on the control of Russian knapweed, an invasive plant found in the Western US. A recent study featured in the journal Invasive Plant Science and Management sheds new ...

I had a backyard experience several weeks ago that brought to mind the quote from Sir Walter Scott, “Oh, what a tangled web we weave, when first we practice to deceive!” I discovered an insect I had ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. To the folks who requested spraying spotted knapweed on the Kagy hillsides last July and to ...

Landowners can reserve a release of weevils that control knapweed. The releases are free and are provided by the Whitehall Project. Contact Todd at 406-498-5236 or Bryce at 406-533-5672 to reserve a ...

The spotted knapweed appears as a purple flower, but is an invasive weed that damages ecosystems. MDARD is seeking public ...

Spotted knapweed (Centaurea stoebe) is found in over 3 million ha of rangeland and forests across North America, and evidence supporting the use of biological control as a regional method to reduce ...

A potentially invasive weed has been showing up in the southwest region of Missouri, and University of Missouri is reminding folks to be on the lookout. David L. Burton, with University of Missouri ...