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Estimates of Loss of Yield Caused by the Wheat Stem Maggot1 to South Dakota Cereal Crops2

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Populations of Meromyza Americana Fitch were studied in cereal crops in South Dakota east of the Missouri River between 1964 and 1967. Losses caused by this insect were assessed, and attempts were made to develop methods of predicting losses. Losses were highest in spring wheat, followed in descending order by winter wheat, rye, and barley. No estimate of loss exceeded 9%; most estimates in wheat and rye fell between 1 and 3%. Damaged heads tended to occur singly rather than in aggregates. Estimates of populations of gravid females early in the season were not reliable indices to crop losses later in the year.

Document Type: Research Article

Publication date: October 1, 1970

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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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