. Cooperative economic insect report; survey methods. Entomological surveys; Insect pests United States. Figure counting card inserted between glass slides and metal clip. White counting areas are l/4 inch N C D Figure used in cleaning slides: A, Wire basket of clips ready for soaking in solvent; B, basket of clips; C, cream can containing solvent for cleaning slides; D, solvent for cleaning clips. Plate 6. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of

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. Cooperative economic insect report; survey methods. Entomological surveys; Insect pests United States. Figure counting card inserted between glass slides and metal clip. White counting areas are l/4 inch N C D Figure used in cleaning slides: A, Wire basket of clips ready for soaking in solvent; B, basket of clips; C, cream can containing solvent for cleaning slides; D, solvent for cleaning clips. Plate 6. 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. Plant Pest Control Division. [Washington]

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Keywords: ., bookcentury1900, bookpublish, booksubjectinsectpestsunitedstates