Predicting Population Cycles of the Pink Bollworm by Thermal Summation

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Abstract:

Degree-day (dd) accumulation was used as a means of forecasting moth population peaks of Pectinophora gossypiella (Saunders). Male moths exhibited cyclic population peaks at intervals of 23176±1154 dd's. These findings should reduce the monitoring period for pink bollworm on cotton in southern California by allowing checking of sex-lure traps only at critical periods.

Document Type: Research Article

Publication date: February 1, 1979

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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