. Cooperative economic insect report. Insect pests Control United States Periodicals. N - 33052 — F i eld observers estimate insect num- bers and forecast the degree of infestation follow- ing methods outlined in this publication "Survey ; USDA's plant pest control experts have developed standardized survey methods for about 60 of the economically important insect N - 1 8509 — T rap s ba ited w ith chemical attractants are one way of detecting certain insects. Thou- sands of traps like this one are being used in Florida to protect our citrus industry against the Medit
. Cooperative economic insect report. Insect pests Control United States Periodicals. N - 33052 — F i eld observers estimate insect num- bers and forecast the degree of infestation follow- ing methods outlined in this publication "Survey ; USDA's plant pest control experts have developed standardized survey methods for about 60 of the economically important insect N - 1 8509 — T rap s ba ited w ith chemical attractants are one way of detecting certain insects. Thou- sands of traps like this one are being used in Florida to protect our citrus industry against the Mediterranean fruit 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. Bureau of Entomology and Plant Quarantine; United States. Plant Pest Control Branch; United States. Plant Pest Control Division; United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs. Washington, D. C. : U. S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
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