. Cooperative economic insect report. Beneficial insects; Insect pests. - 571 - STATUS OF THE SCREW-WORM (Cochllomyia hominivorax) IN THE SOUTHWEST, MAY 18-24 During the period May 18-24, a total of 24,345,200 sterile flies were released over an area of 52,723 square miles. Release rate was 200 flies per square mile over an area of 49,179 square miles and 400 per square mile over an area of 3,544 square miles, A total of 1,496 screw-worm cases were reported during the period. New counties reporting screw-worm were Andrews, Baylor, Castro, Grayson, King, Lamb, Lynn, Navarro, Stonewall and Swish
. Cooperative economic insect report. Beneficial insects; Insect pests. - 571 - STATUS OF THE SCREW-WORM (Cochllomyia hominivorax) IN THE SOUTHWEST, MAY 18-24 During the period May 18-24, a total of 24,345,200 sterile flies were released over an area of 52,723 square miles. Release rate was 200 flies per square mile over an area of 49,179 square miles and 400 per square mile over an area of 3,544 square miles, A total of 1,496 screw-worm cases were reported during the period. New counties reporting screw-worm were Andrews, Baylor, Castro, Grayson, King, Lamb, Lynn, Navarro, Stonewall and Swisher Counties, TEXAS. The map below shows the infested counties in TEXAS and NEW MEXICO as of May 24. (Anim. Dis. Erad. Div.).. TABANIDS - NEW YORK - Unspecified species present in low numbers on livestock, (N. Y. Wkly. Rpt., May 21). MARYLAND - Chrysops spp. very annoning in tidewater areas of Calvert and St. Marys Counties. (U. Md., Ent. Dept.). INDIANA - Incidence of Tabanus spp. increased; averaged 1-2 strikes per minute per animal in Grant County, (Dobson). ILLINOIS - Unspecified species ranged 0-1 (averaged 0,14) per animal. (111. Ins. Rpt.). MISSOURI - Tabanus spp. averaged 3 per animal on one herd in southeast area. (Munson, Thomas, Wood). High populations of Chrysops spp. reported in central area. (Wingo). OKLAHOMA - Light population (5 per 10 animals) of an undetermined species noted in Stillwater area, Payne County. (Okla. Coop. Sur.).. 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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