Insect Tolerance

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Reference is made to previous studies on the subject of resistance to insecticides with special reference to the San Jose scale (Aspidiotus perniciosus), the red (Chrysomphalus aurantii) and black (Saissettia oleae) scales of California, and to resistant strains of codling moth (Carpocapsa pomonella). In the field laboratory at Wenatchee, apples were sprayed with the oil-lead arsenate combination and a uniform deposit of between 60 and 65 micro grams arsenic per square inch of apple surface obtained. In 1930 an average control of 73.0 per cent was obtained. This dropped to 60.0 per cent in 1931, and to 36.0 per cent in 1932.

Document Type: Research Article

Publication date: December 1, 1933

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.
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