The "apple plug" method, as described in this paper, was developed for the purpose of minimizing certain difficulties experienced in insecticide tests against the codling moth. In using the "apple plug" method, small plugs of apple, uniformly sprayed with the insecticide under test, are sealed in glass cylinders. One codling moth egg is confined with each plug and, upon hatching, the larva encounters the insecticide as it attempts to gnaw its way through the skin of the fruit.
Document Type: Research Article
Publication date: April 1, 1933
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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.