. Cooperative economic insect report. Beneficial insects; Insect pests. - 1135 - STATUS OF THE SCREW-WORM (Cochllomyia homlnivorax) IN THE SOUTHWEST During the period September 27 - October 3, TEXAS reported 4 screw-worm cases: one each in Presidio, Sutton, Zapata and Starr Counties. NEW MEXICO reported 2 occurrences: Luna (1) and Catron (1). ARIZONA, 3 cases reported: Santa Cruz (2) and Pima (1). Republic of Mexico reported 205 cases: San Luis Potosi (1), Nuevo Leon (6), Chihuahua (74) , Sonora (106) , Durango (8) , Tamaulipas (6) and Coahuila (4). Sterile screw-worm flies released: Texas 21,
. Cooperative economic insect report. Beneficial insects; Insect pests. - 1135 - STATUS OF THE SCREW-WORM (Cochllomyia homlnivorax) IN THE SOUTHWEST During the period September 27 - October 3, TEXAS reported 4 screw-worm cases: one each in Presidio, Sutton, Zapata and Starr Counties. NEW MEXICO reported 2 occurrences: Luna (1) and Catron (1). ARIZONA, 3 cases reported: Santa Cruz (2) and Pima (1). Republic of Mexico reported 205 cases: San Luis Potosi (1), Nuevo Leon (6), Chihuahua (74) , Sonora (106) , Durango (8) , Tamaulipas (6) and Coahuila (4). Sterile screw-worm flies released: Texas 21,642,250, New Mexico 1,344,000, Arizona 5,554,000 and Mexico 59,421,600. Ratio of Positive Cases Positive Cases Negative Cases to 100 Cases Negative Current Cumulative Current Cumulative Current Cumulative Year Table 1. Comparison of specimens reported during corresponding weeks in 1962 and 1963 in Southwestern Eradication Area. 1962 1,581 39,762 1963 585 3,906 1964 6 115 41 142 122 2,446 5,309 4,703 3, 1, Table 2. Comparison of specimens reported during corresponding weeks and in a corresponding area in 1963 in the United States-Mexico Barrier Zone.* 1963 1964 519 203 3,819 2,727 Table 2A. Mexican portion of Barrier Zone only. 1963 1964 102 196 1,177 2,576 34 1,092 1, 16 1,540 1, r Zone only. 2 150 6 707 3, 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.),. Figures - Number of caees reported \ In Infested counties for \}-\ period Sept. 27-Oct. 3 'X^ Limits of Barrier Zone â ⢠Linear drop along river valleys. 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. Ani
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Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
