. Cooperative economic insect report. Insect pests Control United States Periodicals. - 918 - STATUS OF THE SCREW-WORM (Cochllomyia hominlvorax) IN THE SOUTHWEST During the period July 26 - August 1, no screw-worm cases were reported in TEXAS or NEW MEXICO; 5 cases were reported in ARIZONA, 1 case in Pima County and 5 cases in Graham County. The Republic of Mexico reported 132 cases from the States of Chihuahua (55) , Durango (16) , Coahuila (1), Sonora (27) , Tamaulipas (22), San Luis Potosi (2) , Nuevo Leon (6), Vera Cruz (2) and Zacatecas (1). A total of 113,560,250 sterile flies was releas
. Cooperative economic insect report. Insect pests Control United States Periodicals. - 918 - STATUS OF THE SCREW-WORM (Cochllomyia hominlvorax) IN THE SOUTHWEST During the period July 26 - August 1, no screw-worm cases were reported in TEXAS or NEW MEXICO; 5 cases were reported in ARIZONA, 1 case in Pima County and 5 cases in Graham County. The Republic of Mexico reported 132 cases from the States of Chihuahua (55) , Durango (16) , Coahuila (1), Sonora (27) , Tamaulipas (22), San Luis Potosi (2) , Nuevo Leon (6), Vera Cruz (2) and Zacatecas (1). A total of 113,560,250 sterile flies was released: 27,242,250 in Texas; 2,342,000 in New Mexico; 4,180,000 in Arizona; and 79,796,000 in Mexico. The following is a comparison of specimens reported during corresponding weeks in 1962 and 1963. Ratio of Cases Positive Cases Negative Cases* Positive to Negative** Year Current Cumulative Current Cumulative Current Cumulative 1962 2,361 29 ,700 55 2 ,125 4,:100 1,:100 1963 46 2,276 74 4,421 :100 :100 1964 0 106 56 4,098 0 :100 :100 * The number of cases not screw-worm is an index of the efficiency of the reporting system. ** A comparison of the ratios of screw-worm cases to cases that are not screw- worm is an index of the change in number of screw-worm cases. (Anim. Dis. Erad. Div.).. 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
