Pink Bollworm:1 Effect of Soil Moisture and Temperature on Moth Emergence in Field and Laboratory Studies2

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Abstract
In field and laboratory studies, emergence of laboratory-reared pink bollworm, Pectinophora gossypiella (Saunders), was higher in moist soil than in dry soil. In the field, peak emergence occurred 16 to 20 days after larvae exited naturally from the release carton to the soil; however, some moths emerged as long as 46 days after larvae exited. In the laboratory, high soil temperature (32.2° C) and low soil moisture (2%) delayed moth emergence.

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