. Cooperative economic insect report. Beneficial insects; Insect pests. - 1150 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period September 19-25 a Eradication Area by States and count Brewster and Jeff Davis 1 each; NEW Catron 1 each; ARIZONA - Greenlee 4 and Yavapai 2 each. The Republic of 19, Chihuahua 38, Veracruz 72, Tamau Luis Potosi 20, Durango 75, Oaxaca 1 Guanajuato 1, Tabasco 6 and Nuevo Le Sterile screw-worm flies released 20,198,000, California 640,000 and t total of 47 cases was reported in the Southwestern ies as follows: TEXAS - Presidio 3 and
. Cooperative economic insect report. Beneficial insects; Insect pests. - 1150 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period September 19-25 a Eradication Area by States and count Brewster and Jeff Davis 1 each; NEW Catron 1 each; ARIZONA - Greenlee 4 and Yavapai 2 each. The Republic of 19, Chihuahua 38, Veracruz 72, Tamau Luis Potosi 20, Durango 75, Oaxaca 1 Guanajuato 1, Tabasco 6 and Nuevo Le Sterile screw-worm flies released 20,198,000, California 640,000 and t total of 47 cases was reported in the Southwestern ies as follows: TEXAS - Presidio 3 and Zavala, MEXICO - Hidalgo 2, Luna 3 and Chaves, Grant and Gila 6, Graham 8, Maricopa 9 and Pima, Cochise Mexico reported 371 cases; Sonora 58, Coahuila lipas 5, Territorio sur de Baja California 4, San 2, Nayarit 13,Chiapas 23, Morelos 5, Guerrero 10, on, Mexico, Jalisco, Zacatecas and Puebla 2 each. Texas 17,614,250, New Mexico 6,560,000, Arizona he Republic of Mexico 58,140,000. Positive Cases Negative Cases Ratio of Positive Cases to 100 Cases Negative Cumulative Current Cumulative Current Cumulative 1963 349 1964 1 1965 47 Table 2. 1964 354 1965 163 Comparison of specimens reported during corresponding week 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). 3321 107 762 Comparison of specimens reported during corresponding week and in a corresponding area in 1964 in the United States-Mexico Barrier Zone.* 148 5167 94 4581 68 3937 2524 3884 45 30 1524 1759 Table 3. Specimens determined in Mexico south of Barrier Zone. 1965 188 * 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- tions in the United States. (Anim. Health Div.). Figures - Number of cases reporte in infested counties fo
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