. Cooperative economic insect report. Beneficial insects; Insect pests. - 1281 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period November 7-13, a total of 21 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Kinney, Dimmit and Willacy 1 each, Presidio and Zavala 2 each and Starr 3; ARIZONA - Graham, Yavapai, Pima and Mohave 1 each, Maricopa 3 and Pinal 4. The Republic of Mexico reported 72 cases: Territorio sur de Baja California 5, Sonora 20, Tamaulipas 10, Chihuahua 29 and Coahuila and Nuevo Leon 4 each. S
. Cooperative economic insect report. Beneficial insects; Insect pests. - 1281 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period November 7-13, a total of 21 cases was reported in the Southwestern Eradication Area by States and counties as follows: TEXAS - Kinney, Dimmit and Willacy 1 each, Presidio and Zavala 2 each and Starr 3; ARIZONA - Graham, Yavapai, Pima and Mohave 1 each, Maricopa 3 and Pinal 4. The Republic of Mexico reported 72 cases: Territorio sur de Baja California 5, Sonora 20, Tamaulipas 10, Chihuahua 29 and Coahuila and Nuevo Leon 4 each. Sterile screw-worm flies released: Texas 28,630,250, New Mexico 3,740,000, Arizona 17,080,000, California 400,000 and Mexico 42,508,000. Positive Cases Negative Cases Ratio of Positive Cases to 100 Cases Negative Cumulative Current Cumulative Current Cumulative 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 219 6105 1964 13 200 1965 21 913 Table 2. Comparison correspondi 1964 130 3850 1965 91 5042 273 6774 219 5780 138 4482 Comparison of specimens reported during corresponding week and in a corresponding area in 1964 in the United States-Mexico Barrier Zone.* 55 59 1833 2049 Feasibility Survey - During this period, 339 cases were identified in Mexico south of the Barrier Zone, as follows: Veracruz 107, Sinaloa 21, Morelos 8, Colima 1, Oaxaca 3, Guanajuato 6, Nayarit 6, San Luis Potosi 26, Guerrero 37, Queretaro 1, Jalisco 19, Durango 68, Michoacan 13, Chiapas 12, Hidalgo 1, Puebla 3, Tabasco 5, Yucatan 1, Aguascalientes 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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