We have talked a lot about knapweed on this forum because of its negative consequences for wildlife habitat.
Biocontrol has been pushed as an alternative to herbicides, but this is bad news.
“ScienceDaily (Sep. 5, 2008) — Biocontrol agents, such as insects, are often released outside of their native ranges to control invasive plants.”
Read the rest below. ↓
Biocontrol Insect Exacerbates an Invasive Weed.
I should add that deer mice are also the primary carriers of hantavirus.
It should also be noted that many other kinds of biocontrols are being used on knapweed, not gall-flies alone.
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A good related letter on elk, deer, moose, wolves and knapweed. Missoulian. “Knapweed is also taking a toll on deer, elk.“
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Ralph Maughan
Dr. Ralph Maughan is professor emeritus of political science at Idaho State University with specialties in natural resource politics, public opinion, interest groups, political parties, voting and elections. Aside from academic publications, he is author or co-author of three hiking/backpacking guides, and he is President of the Western Watersheds Project.
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