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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