. Cooperative economic insect report. Insect pests Control United States Periodicals. - 967 - DISTRIBUTION OF TWO SILVER FIR BEETLES (Pseudohylesinus granulatus and P. grandis) ON THE PACIFIC SLOPE OF THE UNITED STATES AND CANADA. From Forest Pest Leaflet 60 Forest Service, USDA September 1961. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest
. Cooperative economic insect report. Insect pests Control United States Periodicals. - 967 - DISTRIBUTION OF TWO SILVER FIR BEETLES (Pseudohylesinus granulatus and P. grandis) ON THE PACIFIC SLOPE OF THE UNITED STATES AND CANADA. From Forest Pest Leaflet 60 Forest Service, USDA September 1961. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Branch; United States. Plant Pest Control Division; United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs. Washington, D. C. : U. S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
