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It is not uncommon for a beekeeper to observe in a colony the presence of one or two cells of what appears to be American foulbrood and on the next examination discover that the cells have apparently been cleaned of all visible remains of the disease. In a majority of such cases, the disease will appear at a later date with greater severity while in a minor number of instances, it will not recur. In the latter cases the questions arise as to whether it was American foulbrood and, if so, was it a less virulent strain than usual or did the colony actually manifest a certain amount of resistance to the disease.
Document Type: Research Article
Publication date: October 1, 1941
More about this publication?
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.