. Cooperative economic insect report. Beneficial insects; Insect pests. 420 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period May 1-7, a total of 23 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Culberson 1, Frio 1; ARIZONA - Maricopa 4, Cochise 8, Santa Cruz 3, Yuma 3, Gila 1; NEW MEXICO - Grant 1; CALIFORNIA - Imperial 1. The Republic of Mexico reported 133 cases: Territorio sur de Baja California 4, Sonora 103, Chihuahua 2, Nuevo Leon 6, Tamaulipas 18. A total of 214 cases was reported in Mexico south o
. Cooperative economic insect report. Beneficial insects; Insect pests. 420 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period May 1-7, a total of 23 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Culberson 1, Frio 1; ARIZONA - Maricopa 4, Cochise 8, Santa Cruz 3, Yuma 3, Gila 1; NEW MEXICO - Grant 1; CALIFORNIA - Imperial 1. The Republic of Mexico reported 133 cases: Territorio sur de Baja California 4, Sonora 103, Chihuahua 2, Nuevo Leon 6, Tamaulipas 18. A total of 214 cases was reported in Mexico south of the Barrier Zone. Sterile screw-worm flies released: Texas 25,415,850, Arizona 24,804,000, New Mexico 5,040,000, California 1,000,000, Mexico 42,853,600. Current Cumulative Current Cumulative Current Cumulative Table 1. Comparison of screw-worm samples identified during corresponding weeks in the United States. Year Positive Cases Negative Cases 1964 6 54 325 1965 22 51 211 1966 23 90 140 2597 1709 1027 Table 2. Comparison of United States screw-worm dases by State State 1964 1965 1966 Texas Ariz. N, M. Calif, 42 6 0 6 9 10 3 0 32 16 3 0 2 19 1 1 41 46 1 2 Table 3, Comparison of screw-worm cases inside and outside the United States portion of the Barrier Zone.* Year Inside Barrier Zone Outside Barrier Zone 1965 1966 10 22 28 84 Barrier Zone - Area in which screw-worm eradication operations are being carried out in an effort to prevent establishment of self-sustaining screw- worm populations in the United States. Effective May 23, 1965, portions of Arizona and California were added to the Barrier Zone. (Anim. Health Div.). Figures - Number of cases rep in infested countie period May 1-7 ⢠â â â â â â â â â â â â I Grid Release Boundar. 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 St
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