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Subjects
Apples, Apple-tree borers, Diseases and pestsEdition | Availability |
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The larger apple-tree borers
1907, U. S. Dept. of Agriculture, Bureau of Entomology
in English
- Third revision.
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Book Details
Table of Contents
The round-headed apple-tree borer. pp. 32.
Distribution. pp. 2.
Food plants and nature of infestation
Life history. pp. 3.
Natural enemies
Methods of control. pp. 5.
The spotted apple-tree borer. pp. 7.
The flat-headed apple-tree borer
General appearance and nature of injury. pp. 8.
Natural history and habits. pp. 10.
Natural enemies
Remedies. pp. 11.
Edition Notes
Caption title.
Circular No. 32, Third Revise.
"Issued December 10, 1907."
At head of title: U.S. Department of Agriculture, Bureau of Entomology.
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