Insects in their relation to the reduction of future supplies of timber, and general principles of control
By: A. D. Hopkins
Contributors: United States. Bureau of Entomology; United States. Dept. of Agriculture
Series: Circular / U. S. Dept. of Agriculture. Bureau of Entomology -- no. 129; Circular (United States. Bureau of Entomology) -- no. 129.
Publisher: U.S. Dept. of Agriculture, Bureau of Entomology
Published: 1910
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Forest insects; Forest products
Notes: Circular No. 129.

"Issued November 25, 1910."

At head of title:  United States Department of Agriculture, Bureau of Entomology.
Table of contents: title: Interrelations of forest insects and forest fires. pp. 1.; title: Interrelation of forest insects and forest fungi. pp .3.; title: Methods of prevention and control; title: General principles of control. pp. 6.; title: Utilization of natural enemies and factors in the control of injurious insects. pp. 8.; title: Beneficial insects; title: Beneficial diseases of insects; title: Beneficial birds. pp. 9.; title: Beneficial climatic conditions; title: Utilization of waste caused by insects. pp. 10.