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Watermelon Mosaic Virus Transmission and Probing Behavior by the Green Peach Aphid as Affected by Physical Agitation1

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Physical agitation of aphids, by tapping the sides of a fasting vial in which the aphids were contained until all the aphids were dropped to the bottom and clumped, at 5-min intervals during pre- and/or post-virus acquisition (ceding access period, had no effect on the transmission of watermelon mosaic virus by green peach aphids, Myzus persicae (Sulzer). However, constant agitation resulted in reduced transmission incidence when administered for I hour, the last 30 minutes of an hour, and the last 15 minutes of an hour prior to the virus-acquisition (ceding access period.

In probing-behavior studies based on observation of single aphids, most of the constantly agitated aphids made only I probe (more than a minute in duration) during the virus-acquisition feeding access period. Of 180 agitated aphids observed only 6 transmitted the watermelon mosaic virus. Most of the nonagitated aphids made more than 1 probe during the access period and 26 of 108 transmitted the virus.

Document Type: Research Article

Publication date: June 1, 1968

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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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