. Cooperative economic insect report. Beneficial insects; Insect pests. 1121 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period September 20-26, TEXAS reported the first infestation of screw-worm since early August with one case in Briscoe County. ARIZONA, 5 cases reported: Cochise (2), Santa Cruz (2) and Graham (1). No cases in NEW MEXICO. Republic of Mexico reported 386 infestations: Veracruz (1), Nuevo Leon (6), Chihuahua (161), Sonora (161), Zacatecas (2), Puebla (2), Durango (32), Tamaulipas (11) and Coahuila (10), Sterile screw-worm flies released: Texa
. Cooperative economic insect report. Beneficial insects; Insect pests. 1121 STATUS OF THE SCREW-WORM (Cochliomyia hominivorax) IN THE SOUTHWEST During the period September 20-26, TEXAS reported the first infestation of screw-worm since early August with one case in Briscoe County. ARIZONA, 5 cases reported: Cochise (2), Santa Cruz (2) and Graham (1). No cases in NEW MEXICO. Republic of Mexico reported 386 infestations: Veracruz (1), Nuevo Leon (6), Chihuahua (161), Sonora (161), Zacatecas (2), Puebla (2), Durango (32), Tamaulipas (11) and Coahuila (10), Sterile screw-worm flies released: Texas 12,682,250; New Mexico 500,000; Arizona 7,860,000; Republic of Mexico 61,343,200. Year Positive Cases Current Cumulative Ratio of Positive Cases Negative Cases to 100 Cases Negative Current Cumulative Current Cumulative Table 1. Comparison of specimens reported during corresponding weeks in 1962 and 1963 in Southwestern Eradication Area, 1962 1,343 38,181 33 2,405 1963 349 3,321 148 5,167 1964 1 109 94 4,581 4, 1, Table 2, Comparison of specimens reported during corresponding weeks and in a corresponding area in 1963 in the United States-Mexico Barrier Zone.* 1963 1964 372 354 3,300 2,524 22 45 1,058 1,524 1, Table 2A. Mexican portion of Barrier Zone only. 1963 1964 76 349 1,075 2,300 3 22 148 701 2, 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- tion in the United States. (Anim, Dis. Erad. Div.). Figures - Number of cases reported - in infested counties for ';, ^- period September 20 - 26 '*'^ â ^â "-â â⢠Limits of fly drop areas ar 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
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Keywords: ., bookcentury1900, booksubjectbeneficialinsects, booksubjectinsect
