. Cooperative economic insect report. Beneficial insects; Insect pests. - 931 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period July 27 - August 2, a total of 40,691,400 sterile flies was released over an area of 63,000 square miles. Release rate was 400 per square mile, with some areas in southern Texas receiving up to 800 sterile flies per square mile. A total of 2,534 screw-worm cases was reported during the period. New counties reporting screw-worm cases included: TEXAS - Shelby; OKLAHOMA - Alfalfa, Bryan, Canadian, Coal, Roger Mills and Texas. (Anim.
. Cooperative economic insect report. Beneficial insects; Insect pests. - 931 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period July 27 - August 2, a total of 40,691,400 sterile flies was released over an area of 63,000 square miles. Release rate was 400 per square mile, with some areas in southern Texas receiving up to 800 sterile flies per square mile. A total of 2,534 screw-worm cases was reported during the period. New counties reporting screw-worm cases included: TEXAS - Shelby; OKLAHOMA - Alfalfa, Bryan, Canadian, Coal, Roger Mills and Texas. (Anim. Dis. Erad, Div.). Counties leported infested '/// during period July 27 - August 2 New counties infested during period July 27 - August 2 \\\w Counties previously reported 'â¢'â¢â .".'. infested r\ Fly Drop Area MOSQUITOES - RHODE ISLAND - Complaints of mosquitoes from Point Judith area, Washington County. (Mathewson), WISCONSIN - Of 143 barns checked in scattered areas, only dairy cattle in Winnebago County annoyed at night by mosquitoes. The two main species in Dane County, Aedes vexans and Culex pipiens pipiens, were more common than thus far this season and complaints more frequent. Catches indicate that populations slightly greater than at this time last season. (Wis. Ins. Sur.). MINNESOTA - During period July 27 - August 4, a total of 56,000 mosquitoes taken in light traps in Metropolitan Mosquito Control District. The previous week the total was 19,000. Aedes vexans females accounted for 61 percent of total catch. Anopheles walkeri was the most numerous Anopheles with Culex tarsalis the most common Culex. Mansonia per turbans continued to decline. Aedes vexans was found in 25 percent of larval samples, 84 percent of daytime biting collections and 81 percent of nighttime biting collections. (Minn. Ins. Rpt.). UTAH - Mosquitoes more annoying in Manti-Moroni area around Indianola and other areas of Sanpete County than for several years. (Knowlton, Funk). Troubleso
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