The larger apple-tree borers
By: F. H. Chittenden
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Edition: Third revision.
Series: Circular / U. S. Dept. of Agriculture, Bureau of Entomology -- no. 32.; Circular (United States. Bureau of Entomology) -- no. 32.
Publisher: U. S. Dept. of Agriculture, Bureau of Entomology
Published: 1907
Place of publication: Washington, D.C
Language: eng
Number of pages: 11
Subjects: Apples; Apple-tree borers; Diseases and pests
Notes: Caption title.

Circular No. 32, Third Revise.

"Issued December 10, 1907."

At head of title:  U.S. Department of Agriculture, Bureau of Entomology.
Table of contents: title: The round-headed apple-tree borer. pp. 32.; title: Distribution. pp. 2.; title: Food plants and nature of infestation; title: Life history. pp. 3.; title: Natural enemies; title: Methods of control. pp. 5.; title: The spotted apple-tree borer. pp. 7.; title: The flat-headed apple-tree borer; title: General appearance and nature of injury. pp. 8.; title: Natural history and habits. pp. 10.; title: Natural enemies; title: Remedies. pp. 11.