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This technical bulletin summarizes all previous published research on the balsam gall midge. Also included are new data on the effect of late bud burst on midge oviposition and the degree of population regulation of the gallmaker by its inquiline.
Maine Agricultural Experiment Station
Osgood, E.A., R.L. Bradbury, and F.A. Drummond. 1997. The balsam gall midge--An economic pest of balsam fir Christmas trees. Maine Agricultural Experiment Station Technical Bulletin 151.