Pirimiphos-methyl: Gradient of Effective Doses on Hard Winter Wheat Against Attack of Four Species of Adult Insects

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Pirimiphos-methyl was applied to cleaned hard winter wheat as a water emulsion at gradient doses from 1–10 ppm AI. Then the relative effectiveness of residues in samples withdrawn at intenals during a 12-mo storage period was determined against adults of 4 common species of stored-grain insects. The order of tolerance was: confused flour beetles, Tribolium confusum Jacquelin duVal, > lesser grain borers, Rhyzopertha dominica (F.), > red flour beetles, Tribolium castaneum (Herbst), > rice weevils, Sitophilus oryzae (L.).

Document Type: Research Article

Publication date: June 1, 1977

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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.
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