. Cooperative economic insect report. Beneficial insects; Insect pests. M _^.,^4? Figure 5. Equipment used for making counts. The tallies are mounted on the table top and manipulated by pressing, with the knees, levers under the table which are connected to the tally levers by 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; U
. Cooperative economic insect report. Beneficial insects; Insect pests. M _^.,^4? Figure 5. Equipment used for making counts. The tallies are mounted on the table top and manipulated by pressing, with the knees, levers under the table which are connected to the tally levers by 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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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
