. Cooperative economic insect report. Beneficial insects; Insect pests. - 1010 - STATUS OF THE SCREW-WORM (Cochllomyla homlnlvorax) IN THE SOUTHWEST During the period August 16-22, no screw-worm- infestations were reported in the Southwestern Screw-worm Eradication Area. Six cases were reported in ARIZONA counties: Cochise (3), Santa Cruz (2) and Graham (1). The Republic of Mexico reported 61 cases from following States: Sonora (20), Chihuahua (22), Durango (9), Tamaulipas (8), San Luis Potosi (1) and Puebla (1). A total of 103,328,650 sterile screw-worm flies w^s released: 22,235,450 in Texas
. Cooperative economic insect report. Beneficial insects; Insect pests. - 1010 - STATUS OF THE SCREW-WORM (Cochllomyla homlnlvorax) IN THE SOUTHWEST During the period August 16-22, no screw-worm- infestations were reported in the Southwestern Screw-worm Eradication Area. Six cases were reported in ARIZONA counties: Cochise (3), Santa Cruz (2) and Graham (1). The Republic of Mexico reported 61 cases from following States: Sonora (20), Chihuahua (22), Durango (9), Tamaulipas (8), San Luis Potosi (1) and Puebla (1). A total of 103,328,650 sterile screw-worm flies w^s released: 22,235,450 in Texas; 1,000,000 in New Mexico; 7,720,000 in Arizopa; and 72,373,200 in Mexico. The following is a comparison of specimens reported during corresponding weeks in 1962 and 1963. Year Positive Cases Current Cumulative Negative Cases* Current Cumulative Current Ratio of Cases Positive to Negative** Cuculative 1962 740 33,188 30 2,227 1963 58 2,447 81 4,637 1964 0 107 66 4,279 2,:100 1,:100 :100 :100 :100 :100 * The number of cases not screw-worm is an index of the efficiency of the reporting system. ** A cpmparison of the ratios of screw-worm cases with cases that are not screw- worm is an index of the change in number of screw-worm cases. CAnim. Dis. Erad. Figures Number of cases reported in infested counties for period 8/16/64 to 8/22/64 â Limits of fly drop areas Linear drop along river valleys. 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
