Organization and Progress of Pink Bollworm Research Investigations

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Abstract
The pink bollworm having become sufficiently abundant in extreme Southwest Texas to permit research investigations, the Bureau of Entomology in cooperation with the Texas State Experiment Station has inaugurated a series of studies dealing with all possible phases of life history and biology in that territory. Headquarters of this work are at El Paso, Texas, with several field laboratories in Southwestern Texas and Northern Mexico. Some of the most interesting results so far have been in connection with the migratory habits of the species and it has been found that the moths have a distinct migratory period, starting about the first of September and continuing until frost. Airplane collections showed moths present at considerable altitudes in the upper air and it is evident that wind transportation may be an important factor in spread.

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