Studies on Resistance of Strawberries to Mites. 2. Preference and Non preference Responses of Tetranychus urticae1 and T. turkestani1 to Water-Soluble Extracts of Foliage2

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Water-soluble extracts from strawberry foliage attracted or repelled the two spotted spider mite Tetmnychus urticae Koch, and the strawberry spider mite, T. urticae Ugarov & Nikolski. Preference or non preference reactions from "standardized" female mites were assayed in a choice tube. Gustatory response and feeding behavior of T. urticae were studied using 32P-labeled extracts in various concentrations, presented to the mites within a para film sachet supported by a short open-end tube; this species fed readily in such a system. Higher percentages of females were attracted to extracts of 'Citation,' the total intake was higher, and the rate of ingestion was more rapid in this clone, which is relatively attractive to mites and susceptible to mite injury.

Document Type: Research Article

Publication date: April 1, 1971

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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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