Serving Southern Jefferson County in the Great State of Montana
Serving Southern Jefferson County in the Great State of Montana
Pictured is a larva in a knapweed root. Note the feeding damage to the inside of the root.
The Whitehall Biological Weed Control Project has had a busy year. We started June 1st and have collected/released the following numbers so far:
Mecinus janthiniformis (Dalmatian toadflax stem weevil, collected near Missoula and Helena): 4,100 = 41 releases. Collection season done.
Jaapeilla ivannikovi (Russian knapweed gall midge, from the Whitehall insectary): 30 galls (a gall is a swelling on the plant that contains multiple larvae) = 10 releases. Collection season done.
Aulacidea acroptilonica (Russian knapweed gall wasp): 70 galls = 10 releases. Collection season done.
Aphthona spp. (leaf...
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