. Cooperative economic insect report. Insect pests Control United States Periodicals. - 1154 - STATUS OF THE SCREW-WORM (Cochllomyia homlnivorax) IN THE SOUTHWEST During the period October 4-10, TEXAS reported 4 screw-worm cases in 3 counties: Hidalgo (1), Brewster (2) and Pecos (1). No cases reported from NEW MEXICO; one case reported from Santa Crua County, ARIZONA. Republic of Mexico reported 215 cases: Veracruz (8) , San Luis Potosi (2), Nuevo Leon (2) , Chihuahua (93), Sonora (79), Zacatecas (2) , Durango (19), Tamsulipas (9) and Coahuila (1). Sterile screw-worm flies released: Texas 20,9
. Cooperative economic insect report. Insect pests Control United States Periodicals. - 1154 - STATUS OF THE SCREW-WORM (Cochllomyia homlnivorax) IN THE SOUTHWEST During the period October 4-10, TEXAS reported 4 screw-worm cases in 3 counties: Hidalgo (1), Brewster (2) and Pecos (1). No cases reported from NEW MEXICO; one case reported from Santa Crua County, ARIZONA. Republic of Mexico reported 215 cases: Veracruz (8) , San Luis Potosi (2), Nuevo Leon (2) , Chihuahua (93), Sonora (79), Zacatecas (2) , Durango (19), Tamsulipas (9) and Coahuila (1). Sterile screw-worm flies released: Texas 20,974,250, New Mexico 2,888,000, Arizona 4,440,000 and Mexico 72,636,000. Ratio of Positive Cases Positive Cases Negative Cases to 100 Cases Negative Year Current Cumulative Current Cumulative Current Cumulative Table 1. Comparison of specimens reported during corresponding weeks in 1962 and 1963 in Southwestern Eradication Area. 1962 1,675 41,437 52 2,498 3, 1, 1963 578 4,484 179 ft,488 1964 4 119 134 4,837 Table 2. Comparison of specimens reported during corresponding weeks and in a corresponding area in 1963 in -the United States-Mexico Barrier Zone.* 1963 390 4,209 37 1,129 1, 1964 189 2,916 34 1,574 Table 2A. Mexican portion of Barrier Zone only. 1963 109 1,286 5 155 2, 1964 184 2,760 6 713 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 cases reported in infested counties for period October 4-10 â - â of Barrier Z â iâ iiiinn 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. Bureau of E
Size: 2073px × 1206px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber20
