The Whitehall Ledger - Serving Southern Jefferson County in the Great State of Montana

By Todd Breitenfeldt
Project Director 

Busy year for the Whitheall Project

 

August 7, 2019



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 sp...



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