. Cooperative economic insect report. Beneficial insects; Insect pests. - 499 - STATUS OF THE SCREW-WORM (Cochllomyla hominivorax) IN THE SOUTHWEST Total of 30 cases reported in the U. S. May 22-28 as follows: TEXAS - Hidalgo 1, Webb 2, Bee 1, Frio 2, Maverick 1, Uvalde 1, Brewster 1, La Salle 1, Goliad 1, Zapata 1, Val Verde 1, De Witt 2, McMullen 1. ARIZONA - Santa Cruz 1, Maricopa 5, Yavapai 1, Cochise 4, Greenlee 1, Gila 1. NEW MEXICO - Hidalgo 1. Sterile screw- worm flies released: Texas 15,236,250, Arizona 29,129,000, New Mexico 5,900,000, California 980,000, Mexico 61,304,000. Current C
. Cooperative economic insect report. Beneficial insects; Insect pests. - 499 - STATUS OF THE SCREW-WORM (Cochllomyla hominivorax) IN THE SOUTHWEST Total of 30 cases reported in the U. S. May 22-28 as follows: TEXAS - Hidalgo 1, Webb 2, Bee 1, Frio 2, Maverick 1, Uvalde 1, Brewster 1, La Salle 1, Goliad 1, Zapata 1, Val Verde 1, De Witt 2, McMullen 1. ARIZONA - Santa Cruz 1, Maricopa 5, Yavapai 1, Cochise 4, Greenlee 1, Gila 1. NEW MEXICO - Hidalgo 1. Sterile screw- worm flies released: Texas 15,236,250, Arizona 29,129,000, New Mexico 5,900,000, California 980,000, Mexico 61,304,000. Current Cumulative Current Cumulative Current Cumulative Table 1. Comparison of screw-worm samples identified during corresponding weeks in the United States. Positive Cases Negative Cases 1964 11 1965 34 1966 30 Table 2. State Texas 7 Ariz. 0 N. M. 0 Calif. 4 168 3229 214 2342 141 1426 87 119 182 Comparison of United States screw-worm cases by State. 1964 1965 1966 71 6 0 10 21 10 3 0 66 16 45 13 8 1 0 0 77 99 4 2 Table 3 Comparison of screw-worm cases inside and outside the United States portion of the Barrier Zone.* Year Inside Barrier Zone Outside Barrier Zone 1965 1966 25 21 64 158 20 24 Total of 112 cases reported in portion of Barrier Zone in Republic of Mexico as follows: Territorio sur de Baja California 7, Baja California 7, Sonora 63, Chihuahua 15, Coahuila 6, Nuevo Leon 1, Tamaulipas 13. No cases reported from Mexico south of the Barrier Zone. * Barrier Zone - Area in which screw-worm eradication operations are being carried out in an effort to prevent establishment of self-sustaining screw- worm populations in the United States. Effective May 23, 1965, portions of Arizona and California were added to the Barrier Zone. (Anim. Health Div.).. Number of cases reported in infested counties for period May 22-28. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrati
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