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The Balsam gall midge : an economic pest of balsam fir Christmas trees
The Balsam gall midge an economic pest of balsam fir Christmas trees
Author: E. A. Osgood
Includes info on taxonomy , descriptions of larvae and adults , life history and biology , gall mophology and control methods . Includes b + w illustrations and photos.
ISBN: 333634
Publication Date: 8/1992
Pages: 30
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Publisher: Maine agricultural experiment station
Book Type: Paperback
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