Effects of Natural (Sorghum) and Artificial (Wheat Germ) Diets on Development of the Corn Earworm, Fall Armyworm, and Southwestern Corn Borer1

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Abstract:

Developmental characteristics of larvae of corn carworm, Heliothis zea (Boddie); fall armyworm, Spodoptera frugiperda (J. E. Smith); and southwestern corn borer, Zeadiatraea grandiosella (Dyar), reared on sorghum, were compared with the same species reared on artificial diet. In each of the 3 species, no significant differences were observed in head-capsule widths in the several instars of larvae fed on the 2 diets. It was found, further, that a change in diet from sorghum to artificial diet or from artificial diet to sorghum, at various intervals in the larval cycle, had little effect on pupal weight or duration of the larval cycle of the 3 species.

Document Type: Research Article

Publication date: February 1, 1968

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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