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Excerpt from Report of the Secretary of Agriculture, 1937Traps 'were used extensively on this project in Texas to determine the extent. Of the adult population of the Mexican fruitfly (anastrepha ludens Loew). Few flies were taken before the first of the year. In January, however, it became apparent that there were many more flies in the area than during any previous season

Title : Report of the Secretary of Agriculture, 1937 (Classic Reprint)
Author : United States Secretary of Agriculture
Language : en
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Uploaded : Apr 06, 2021

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