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Aerial applications of 1¼pounds of Sevin® (1-naphthyl Nmethylcarbamate) per acre were made on 73,610 acres in two counties in New York State between May 21 and June 10, 1959, Twenty-one colonies of honey bees were placed in five locations within the treated area, Five check colonies were placed 3; miles outside of the treated area. Gary traps were placed 011 all colonies. During the spray and postspray period of 47 days treated colonies lost a mean of 19,917 bees while check colonies lost a mean of 2,936 bees, Mortalities were above normal for up to tl weeks following the insecticide applications. Colony recovery was rapid. Some cases of European foul brood resulted from weakening of the colonies.
Document Type: Research Article
Publication date: June 1, 1961
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.