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The purpose of this study was to find out how the solubility of arsenate of lead is increased by the action of the digestive fluids present in the alimentary tract of an insect. In making these determinations, the honey bee, Apis mellifica Linn., was taken as the insect and the solubility of arsenate of lead powder in water was taken as the unit of solubility. The conclusions drawn from this experiment are as follows, (1) The solubility of arsenate of lead does not seem to increase when the powder is acted upon by the fluids in the oesophagus. (2) The digestive secretions of the honey stomach and stomach render the poison at least one and one quarter times as soluble. (3) The action of the intestinal juices is to throw at least three and three quarters times as much of the powder in solution as would be dissolved by water alone.
Document Type: Research Article
Publication date: August 1, 1924
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.