. Cooperative economic insect report. Beneficial insects; Insect pests. - 590 - STATUS OF THE SCREW-WORM (Cochliomyia homlnivorax) IN THE SOUTHWEST ARIZONA and CALIFORNIA are now included in the Southwestern Eradication Area. During the period May 23 - 29, a total of 34 cases was reported in the area as follows by county: TEXAS - Zavala 1, Atascosa 1, Medina 6, Val Verde 2, Dimmit 1, Uvalde 3, Webb 1, Jim Hogg 1, Maverick 1, Frio 2, Presidio 1, Kinney 1; ARIZONA - Cochise 5, Pima 2, Graham 1, Santa Cruz 2; NEW MEXICO - Hidalgo 2, Luna 1. The Republic of Mexico reported 145 cases: Sonora 77, Ch
. Cooperative economic insect report. Beneficial insects; Insect pests. - 590 - STATUS OF THE SCREW-WORM (Cochliomyia homlnivorax) IN THE SOUTHWEST ARIZONA and CALIFORNIA are now included in the Southwestern Eradication Area. During the period May 23 - 29, a total of 34 cases was reported in the area as follows by county: TEXAS - Zavala 1, Atascosa 1, Medina 6, Val Verde 2, Dimmit 1, Uvalde 3, Webb 1, Jim Hogg 1, Maverick 1, Frio 2, Presidio 1, Kinney 1; ARIZONA - Cochise 5, Pima 2, Graham 1, Santa Cruz 2; NEW MEXICO - Hidalgo 2, Luna 1. The Republic of Mexico reported 145 cases: Sonora 77, Chihuahua 15, Nuevo Leon 1, Coahuila 4, Tamaulipas 2, Baja California 3, San Luis Potosi 3, Durango 19, Veracruz 19 and Territory BaJa California Sur 2. Sterile screw-worm flies released: Texas 12,414,650, Arizona 6,848,000, New Mexico 1,280,000, the Republic of Mexico 119,920,000. Positive Cases Negative Cases Ratio of Positive Cases to 100 Cases Negative Cumulative Current Cumulative Current Cumulative 1963 154 1964 7 1965 34 Table 2. Comparison of specimens reported during corresponding weeks in 1963 and 1964 in Southwestern Eradication Area, (1965 area figures include cases reported from Arizona and/or California; 1964 figures reflect those from the 5-State area) . ,170 71 84 213 168 214 3,238 3,229 2,342 Comparison of specimens reported during corresponding weeks and in a corresponding area in 1964 in the United States-Mexico Barrier Zone. 1964 61 481 1965 124 1,425 Table 2A. Mexican port 1964 61 443 1965 99 1,333 62 54 31 30 732 861 221 457 Barrier Zone - Area in which screw-worm eradication operations are being carried out in an effort to prevent establishment of self-sustaining screw-worm popula- tion in the United States. (Anim. Dis. Erad. Div.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and a
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