Several years are required for the weevil population to become established so that it can effectively control the thistle. Two insects, the black dot spurge beetle Aphthona nigriscutis , and the ...

Goats are browsers, and are especially good at controlling woody plants, such as aspen or rose. Goats also eat thistles. Sheep can effectively control leafy spurge. Once they acquire a taste for it, ...

This leafy marauder, recognized by scholars as ... and fire a direct spray at the spurge weed. For spurge weed control in ...