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Practical Field Control of the Common Bean Weevil, Bruchus Obtectus Say

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This paper gives the results obtained by the writers while investigating the practicability of controlling the common bean weevil, Bruchus obtectus, commercially in the field in the Chino District of Southern California.

While the bean weevils were not completely eradicated the infestation was materially reduced. Indications are that the amount of infestation at harvest is proportional to the number of weevils that have been liberated within flying distance of the fields during the time the beans have been ripening, and that complete cooperation in preventing their breeding in dry beans during the summer would eliminate the weevils from the growing crop. Where a few people are careless about disposal of split beans, screenings and infested beans, near-by crops are endangered. It does not appear that large numbers of weevils fly long distances.

Document Type: Research Article

Publication date: August 1, 1925

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  • 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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