. Cooperative economic insect report. Beneficial insects; Insect pests. Fig. 3 Foldout paper wing trap being placed over perpendicular wire loops for attachment to Fig. 4 Background: Complete gallon car- ton live trap. Foreground: Screen funnel and paper wing unit separated. Dept. Agr. Coop. Econ. Ins. Rpt. 21(21):367-368, 1971. 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 Hea


. Cooperative economic insect report. Beneficial insects; Insect pests. Fig. 3 Foldout paper wing trap being placed over perpendicular wire loops for attachment to Fig. 4 Background: Complete gallon car- ton live trap. Foreground: Screen funnel and paper wing unit separated. Dept. Agr. Coop. Econ. Ins. Rpt. 21(21):367-368, 1971. 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