Fecundity and Feeding Preference of the Twospotted Spider Mite on Domestic and Wild Species of Peanuts

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The fecundity and feeding preference of Tetranychus urticae Koch were compared on 10 peanut entries. The 10 domestic and wild species of peanuts were selected from previous screening tests for resistance to feeding damage from T. urticae. Mites feeding on wild species PI 262286 and 262840 had greatly reduced egg production when compared to the domestic line NC 5. Mites oviposited 8.5 eggs/female on NC 5 in 48 h and only 0.8 eggs/female on PI 262286. The domestic lines NC accessions 302, 827. and GK-53 exhibited a moderate reduction in mite egg production when compared to NC 5. Adults females of T. urticae exhibited a high level non-preference for feeding on the wild species PI 262286 and 262840. No significant degree of non-preference for feeding was found among the domestic lines.

Document Type: Research Article

Publication date: August 1, 1980

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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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