. Cooperative economic insect report. Beneficial insects; Insect pests. - 1296 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period November 14-20, a total of 24 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Hidalgo 2, and 1 each in Atascosa, Cameron, Live Oak, Brooks, Dimmit, Jim Wells, La Salle, Duval, Comal, Medina and McMullen; NEW MEXICO - Grant 1; ARIZONA - Maricopa 5, Pinal 2 and 1 each in Gila, Cochise and Greenlee. The Republic of Mexico reported 53 cases: Territorio sur de Baja California 3, Sonor
. Cooperative economic insect report. Beneficial insects; Insect pests. - 1296 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period November 14-20, a total of 24 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Hidalgo 2, and 1 each in Atascosa, Cameron, Live Oak, Brooks, Dimmit, Jim Wells, La Salle, Duval, Comal, Medina and McMullen; NEW MEXICO - Grant 1; ARIZONA - Maricopa 5, Pinal 2 and 1 each in Gila, Cochise and Greenlee. The Republic of Mexico reported 53 cases: Territorio sur de Baja California 3, Sonora 13, Chihuahua 17, Coahuila 5, Nuevo Leon 3, Tamaulipas 12. Sterile screw-worm flies released: Texas 19,582,250, New Mexico 4,884,000, Arizona 14,908,000, and Mexico 56,652,000. Positive Cases Negative Cases Ratio of Positive Cases to 100 Cases Negative Current Cumulative Current Cumulative Current Cumulative Table 1. 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). 1963 108 1964 30 1965 24 Table 2. 1964 278 1965 70 6213 273 230 219 927 179 6968 5991 4661 Comparison of specimens reported during corresponding week and in a corresponding area in 1964 in the United States-Mexico Barrier Zone.* 4128 5112 100 42 1933 2065 Feasibility Survey - During this period, 141 cases were identified in Mexico south of the Barrier Zone, as follows: Sinaloa 6, Tabasco 3, Nyarit 1, Guerrero 16, Puebla 3, Veracruz 29, Jalisco 22, Oaxaca 3, Chiapas 3, Aquascalientes 3, San Luis Potosi 20, Yucatan 1, Durango 26, Michoacan 3, Zacatecas 1, Colima 1. * 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.)..
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