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

Add Yahoo as a preferred source to see more of our stories on Google. The two weevils, seedhead and root boring, feed exclusively on spotted knapweed. The public is invited to give their input on the ...

Michigan considers using two weevil species to control the invasive spotted knapweed, balancing ecosystem health and agricultural interests, including concerns from beekeepers about losing nectar ...

When Michiganders think about invasive plants, a white speckled field of garlic mustard (Alliaria petiolata) or the tall flower clusters of purple loosestrife (Lythrum salicaria) may come to mind. But ...

Join the Batavia Plain Dirt Gardeners for its first meeting of the year where they will hear from naturalist Pam Otto on “Wait a Minute … Where Are the Invasives?” The monthly meeting will be 6:45 to ...

Maybe you had a particularly pleasant afternoon watching bees forage from your squash flowers, or someone gave you a pot of mountain mint with the advice that it's a great native plant. You've come to ...