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In one out of four tests in 1955 at Presque Isle, Maine, an introduced fungus Acrostalagmus, probably aphidium Oud., was recovered from dead specimens of the potato aphid, Macrosiphum solanifolii (Ashm.), in plots of potatoes 3 weeks after the plants with a light aphid infestation had received a single spray application of laboratory-cultured spores. In two other field tests no similar recovery was made following application of spores of a locally-occurring, undescribed species of Empusa to Rosa spp. infested with M. solanifolii.
Document Type: Research Article
Publication date: April 1, 1958
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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.