The 1932 Grasshopper Outbreak

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Abstract:

Unfavorable weather conditions, disease and parasites during 1932 reduced grasshoppers in Iowa, Nebraska and South Dakota to such an extent that crop damage was far below that of 1931. In Minnesota, infestations were greatly increased over the previous year but a well organized control campaign prevented extensive crop losses. North Dakota suffered heavier crop losses from grasshoppers than any other state. Precipitation records in areas having heavy egg infestations in the spring of 1932 showed minus departures at stations where outbreaks were as serious as predicted and plus departures where damage was less than expected.

Document Type: Research Article

Publication date: February 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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