. Cooperative economic insect report. Beneficial insects; Insect pests. - 691 - DISTRIBUTION OF MOUNTAIN PINE BEETLE (Dendroctonus monticolae). USDA Forest Pest Leaflet 2, June 1955. 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. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyat
. Cooperative economic insect report. Beneficial insects; Insect pests. - 691 - DISTRIBUTION OF MOUNTAIN PINE BEETLE (Dendroctonus monticolae). USDA Forest Pest Leaflet 2, June 1955. 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. Animal and Plant Health Service. Plant Protection and Quarantine Programs; United States. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Division. Hyattsville, MD. [etc. ] Plant Protection and Quarantine Programs Animal and Plant Health Service
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Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
