. Cooperative economic insect report. Insect pests Control United States Periodicals. - 294 - Staim of Gypty Wlotk fnpA tniwn PRIOR TO AND FOLLOWING 1956-58 ERADICATION PROGRAM. PRINCIPAL HARDWOOD AREA SUSCEPTIBLE TO GYPSY MOTH ATTACK INFESTED AREA NOT TREATED IN 1956-1958 ERAD- ICATION PROGRAM AREA TREATED WITH DDT 1956-1958 (4,096,460 ACRES) SPREAD SINCE CESSATION OF DDT ERADICATION PROGRAM DEPARTMENT OF AGRICULTURE AGRICULTURAL RESEARCH SERVICE. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and ap
. Cooperative economic insect report. Insect pests Control United States Periodicals. - 294 - Staim of Gypty Wlotk fnpA tniwn PRIOR TO AND FOLLOWING 1956-58 ERADICATION PROGRAM. PRINCIPAL HARDWOOD AREA SUSCEPTIBLE TO GYPSY MOTH ATTACK INFESTED AREA NOT TREATED IN 1956-1958 ERAD- ICATION PROGRAM AREA TREATED WITH DDT 1956-1958 (4,096,460 ACRES) SPREAD SINCE CESSATION OF DDT ERADICATION PROGRAM DEPARTMENT OF AGRICULTURE AGRICULTURAL RESEARCH SERVICE. 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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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
