Natural-control factors affecting the spruce budworm
Views: 1046
Downloads: 0
[mrp_rating_result no_rating_results_text="No ratings yet" before_count="(" after_count=" ratings)"]
- Dowden, Philip B.
USDA Bureau of Entomology and Plant Quarrantine - Buchanan, W.D.
USDA Bureau of Entomology and Plant Quarrantine - Carolin, V.M.
USDA Bureau of Entomology and Plant Quarrantine
Periodically, the spruce budworm, Archips fumiferana (Clem), has caused widespread destruction of balsam fir and spruce in Canada, the Northeastern Part of the United States, and the Lake States.
You must be logged in to post a comment.