During 1930 and 1931, sixteen experimental liberations of Trichogramma minutum Riley were made in blocks of late peaches in New Jersey. Reductions of fruit infestation in the liberation blocks, as compared with their respective checks, were observed during both seasons. The reductions, however, were so small as to be of insignificant economic importance.
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.