. Cooperative economic insect report. Beneficial insects; Insect pests. - 638 - INSECTS AFFECTING MAN' AND ANIMALS STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST Diiring the period May 25-31, a total of 19,106,600 sterile flies was released in areas involving 45,316 square miles. Release rates of 200 flies per square mile were made over an area of 33,271 square miles and 400 flies per square mile over an area of 12,045 square miles. A total of 1,799 screw-worm cases was reported this period; all new county records except two were reported in Texas. New Counties reporting s
. Cooperative economic insect report. Beneficial insects; Insect pests. - 638 - INSECTS AFFECTING MAN' AND ANIMALS STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST Diiring the period May 25-31, a total of 19,106,600 sterile flies was released in areas involving 45,316 square miles. Release rates of 200 flies per square mile were made over an area of 33,271 square miles and 400 flies per square mile over an area of 12,045 square miles. A total of 1,799 screw-worm cases was reported this period; all new county records except two were reported in Texas. New Counties reporting screw-worm cases included: Briscoe, Chambers, Cherokee, Cook, Cottle, Dickens, Donley, Eastland, Fort Bend, Galveston, Hall, Liberty, Lubbock, Motley, Shackelford and Wise, Texas; and Eddy and Luna Counties, New Mexico. Production of sterile flies expected at Mission, Texas, July 17, with first flies to be irradicated shortly after July 4. During period Jime 1-7, a total of 23,464,800 sterile flies were released over a total area of 47,673 square miles. Release rates were 200 flies per square mile over an area of 39,561 square miles, 300 flies per square mile over an area of 270 square miles and 400 flies per square mile over an area of 7,842 square miles. A total of 1,829 screw-worm cases were reported during this period. New counties reporting screw-worm cases included: Anderson, Armstrong, Childress, Collin, Ellis, Floyd, Harris, Hopkins, Houston, Jefferson, Rusk, Throckmorton and Upshur, all in Texas. (Anim. Dis. Erad. Div.).. Counties reporting screw-worm during period May 25-31 Counties reporting screw-worm during period June 1-7. 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 a
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