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Author: Steven A. Katovich Publisher: ISBN: Category : Yellow-headed spruce sawfly Languages : en Pages : 32
Book Description
Presents the biology and ecology of the yellowheaded spruce sawfly, and provides survey techniques and management strategies. In addition, it provides information on identification, classification, host range, and the historical records of outbreaks in the Lake States.--Abstract on page 3 of cover.
Author: Steven A. Katovich Publisher: ISBN: Category : Yellow-headed spruce sawfly Languages : en Pages : 32
Book Description
Presents the biology and ecology of the yellowheaded spruce sawfly, and provides survey techniques and management strategies. In addition, it provides information on identification, classification, host range, and the historical records of outbreaks in the Lake States.--Abstract on page 3 of cover.
Author: Paul Henri Arnaud Publisher: ISBN: Category : Agriculture Languages : en Pages : 868
Book Description
The Tachinidae are the most important of the dipterous families with entomophagous habits. Though often little noticed, these flies have an important role in controlling phytophagous Insecta.
Author: Steven A. Katovich
Author: Steven A. Katovich
Author: Mark W. Houseweart
Author: Louis F. Wilson
Author: Robert John Bartelt
Author: 
Author: Maine. Forest Commissioner
Author: Mark W. Houseweart
Author: Paul Henri Arnaud
Author: 
Author: Northeastern Forest Experiment Station (Radnor, Pa.)