Influence of Adult Diet on Damage to Corn by Larvae of the Western Corn Rootworm Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)

Authors: Fisher, J. R.; Jackson, J. J.; Sutter, G. R.; Branson, T. F.

Source: Journal of Economic Entomology, Volume 79, Number 1, February 1986 , pp. 114-115(2)

Publisher: Entomological Society of America

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Corn plots were infested with eggs (infestation rates of 300, 600, and 1,200 eggs per 30.5-cm row) from Diabrotica virgifera virgifera LeConte adults that had been fed either an artificial dry diet or natural foods (e.g., corn leaves, corn). Larvae produced from eggs of females fed artificial diet caused significantly greater damage to corn roots at the 300- and 600-egg rates and the same amount of damage at the 1,200-egg rate as larvae from females fed natural diet. The relationship of yield loss with infestation rate was the same for both diets; however, yield was reduced significantly more by larvae descended from females fed artificial diet. Selection of a diet for adults should be considered as a factor that may influence potential damage by larval descendants in experiments using an artificial infestation technique.

Document Type: Research Article

Publication date: February 1, 1986

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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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