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The effect of experience on the host location behavior ofAphidius colemaniViereck females was investigated by means of wind-tunnel bioassays and a glasshouse release experiment. In laboratory tests with bell pepper(Capsicum annuumL.), naive females showed little innate attraction either to uninfested plants or to plants heavily infested with the green peach aphid(Myzus persicaeSulzer). However, a...
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