. Cooperative economic insect report. Beneficial insects; Insect pests. - 36 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period January 9-15, a total of 5 cases was reported in the Southwestern Eradication Area; all in TEXAS as follows by county: Hidalgo 4, Webb l.\ The Republic of Mexico reported 72 cases as follows by State: Sonora 19, Nuevo Leon 3\, Chihuahua 3, Tamaulipas 30, Terr iterio sur de Baja California 17. Sterile screw-worm flies released: Texas 15,446,250, Arizona 2,000,000, Mexico 65,072,000. Positive Cases Negative Cases Ratio of Positive Ca
. Cooperative economic insect report. Beneficial insects; Insect pests. - 36 - STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period January 9-15, a total of 5 cases was reported in the Southwestern Eradication Area; all in TEXAS as follows by county: Hidalgo 4, Webb l.\ The Republic of Mexico reported 72 cases as follows by State: Sonora 19, Nuevo Leon 3\, Chihuahua 3, Tamaulipas 30, Terr iterio sur de Baja California 17. Sterile screw-worm flies released: Texas 15,446,250, Arizona 2,000,000, Mexico 65,072,000. 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 1964 and 1965 in Southwestern Eradication Area. (1966 area figures include cases reported from Arizona and/or California; 1965 figures reflect those from the 5-State area). 1964 0 1965 2 1966 5 Table 2. 1965 57 1966 77 0 3 16 26 63 37 108 233 89 Comparison of specimens reported during corresponding week and in a corresponding area in 1965 in the United States-Mexico Barrier Zone.* 143 167 61 23 108 53 Feasibility Survey - During this period 210 cases were identified in Mexico south of the Barrier Zone as follows: Oaxaca 6, Guerrero 15, Puebla 7, Yucatan 39, Tabasco 19, Chiapas 2, Colima 2, Veracruz 38, Guanajuato 5, Jalisco 4, Sinaloa 4, San Luis Potosi 27, Mexico 2, Queretaro 2, Nayarit 2, Michoacan 3, Durango 5, Morelos 8, Campech^ 20, Tlaxcala 0. ^^_^ ? 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 reported in infested counties for period January 9-15 Grid Release Boundary. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - c
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