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How to determine the number of Douglas-fir tussock moth eggs from egg mass weight


Author:
Beckwith, R. C., Mason, Richard R., and Paul, H. Gene
Source:
USDA
Year:
1982
Subject:
Douglas-fir tussock moth and Eggs
Format:
6 p. : ill., 1 chart ; 24 cm.
Language:
English
Publisher:
Dept. of Agriculture, Combined Forest Pest Research and Development Program
Series:
Agriculture handbook / United States Department of Agriculture
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAT10310030