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Activity of Insect Growth Regulators, Hydroprene and Methoprene, on Wheat and Corn Against Several Stored-Grain Insects

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Two insect growth regulators (IGR), hydroprene and methoprene. when applied to wheat and corn kernels at concentrations ranging from 2 to 10 ppm, prevented the metamorphosis of the Indian meal moth, Plodia interpunctella (Hübner), and effectively reduced the F1 populations of the lesser grain borer, Rhyzopertha dominica (F.), the confused flour beetle, Tribolium confusum Jacquelin duVal, and the sawtoothed grain beetle, Oryzaephilus surinamensis (L.). However, they were not as effective against the rice weevil, Sitophilus oryzae (L.), since substantial numbers of progeny developed in wheat kernels treated at a rate of 10 ppm with either of the compounds.

Document Type: Research Article

Publication date: October 15, 1975

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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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