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NALDC Record Details:

Parasites and predators of forest insects liberated in the United States through 1960

Author(s):
Dowden, Philip B. (Philip Berry), 1901
Subject(s):
Insect pests -- Biological controls. , Forest insects -- United States.
Format:
70 p.
Coverage:
United States
Language:
English
Publisher:
U.S. Dept. of Agriculture, Forest Service
Year:
1962
Series:
USDA agriculture handbooks
File:
Download [PDF File]
Rights:
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.