The rice water weevil (Lissorhoptrus simplex Say) occurs in large numbers in all rice fields in Arkansas, and is the only generally distributed pest of this crop in this region. The larvae feed on the roots of rice and are frequently charged with causing great damage. In large cage experiments the yield of rice in uninfested cages was approximately 35 per cent greater than it was in cages artificially infested. The loss caused by this insect may be reduced by drainage, at the time the majority of the larvae have entered the third instar and before severe root pruning begins. Drainage should continue until the soil is thoroughly dried.
Document Type: Research Article
Publication date: April 1, 1932
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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.