. Cooperative economic insect report. Beneficial insects; Insect pests. Treel/ Units (in) (lOOO's) - 567 - - Saratoga Spittlebug Damage Prediction Table Nymphs per 1/10-milacre 01 2 3 4 5 6 7 8 10. V A product of the average tree height (in feet), the average number of living branch whorls, and the average number of stems per acre. ^ ~ HEAVY — MEDIUM LIGHT. 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. Anim
. Cooperative economic insect report. Beneficial insects; Insect pests. Treel/ Units (in) (lOOO's) - 567 - - Saratoga Spittlebug Damage Prediction Table Nymphs per 1/10-milacre 01 2 3 4 5 6 7 8 10. V A product of the average tree height (in feet), the average number of living branch whorls, and the average number of stems per acre. ^ ~ HEAVY — MEDIUM LIGHT. 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
