. Cooperative economic insect report. Beneficial insects; Insect pests. - 766 - STATUS OF THE SCREW-WORM (Cochllomyla homlnlvorax) IN THE SOUTHWEST During the period June 16-22, a total of 100 infestations, including one of unknown origin, reported from TEXAS, 35 from NEW MEXICO and 1 from OKLAHOMA. Specimens were reported from 52 counties in Texas, 10 counties in New Mexico and 1 county in Oklahoma. Screw-worm was reported for the first time this year from Armstrong, Donley, Hall, Bailey, Lamb, Denton, Dawson, Culberson, Lynn and Shackelford Counties, Texas; Guadalupe County, New Mexico; and
. Cooperative economic insect report. Beneficial insects; Insect pests. - 766 - STATUS OF THE SCREW-WORM (Cochllomyla homlnlvorax) IN THE SOUTHWEST During the period June 16-22, a total of 100 infestations, including one of unknown origin, reported from TEXAS, 35 from NEW MEXICO and 1 from OKLAHOMA. Specimens were reported from 52 counties in Texas, 10 counties in New Mexico and 1 county in Oklahoma. Screw-worm was reported for the first time this year from Armstrong, Donley, Hall, Bailey, Lamb, Denton, Dawson, Culberson, Lynn and Shackelford Counties, Texas; Guadalupe County, New Mexico; and Ellis County, Oklahoma. A total of 114,241,850 sterile flies was released during the period June 16 - 22. (Anim. Dis. Erad. Div,).. Figures - Number of cases reported in infested countj^s for period June 16 - 22 Limits of fly drop areas Linear drop a,long river valleys HORN FLY (Haematobia irritans) - UTAH - Moderate on herds in Millard, Kane and Sanpete Counties. CKnowlton et al.; June 24). Numbers increased in northern area herds. (Knowlton). WYOMING - Causing serious annoyance to livestock in Laramie County. (Marks). SOUTH DAKOTA - Causing some discomfort to cattle in northeast region; ranged 32-75 per side per animal. (Hintz). Ranged 50-100 per head on range cattle in Cottonwood area, Jackson County. (Kantack). NEBRASKA - Ranged 50-100 per animal in Nuckolls County. (Bell, Hauke, Bergman). KANSAS - Ranged 25 to over 300 per animal on cattle in south central and southeast areas. (Peters). OKLAHOMA - Light to moderate generally in south central and southeast; 100-400 per head. Averaged 400 per animal in Stillwater. 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
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