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Seasonal Dry-Weight Composition in Diets of Mormon Crickets1,2

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Abstract:

The dry-weight composition of the diet and the food preferences were determined for Anabrus simplex Haldeman, inhabiting an arid ponderosa pine-bunchgrass community in northern Colorado. Thirty-five plant species were microscopically identified from the crops of this insect. Only 2-4 staple foods occurred in the diet during any period. Although primarily herbivorous, Mormon crickets were found to be carnivorous and fungivorous. Forbs contributed an average of about 50% of the diet, while arthropods and fungi contributed about 21 and 16%, respectively. Grasses, clubmoss. and grasslike plants comprised about 6, 5, and 2% of the diet, respectively. Diet and food preference changed as the season progressed.

Document Type: Research Article

Publication date: February 1, 1970

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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