Abstract
Abstract Electroantennograms (EAGs) were recorded from unmated, laboratory‐reared male and female Helicover pa armigera (Lepidoptera:Noctuidae) adults to two sex pheromone components and a range of plant volatile components, some of which are known volatiles from leaves and fruits. The female‐produced sex pheromone was not detected by other female moths. The sex pheromone components to which male moths responded previously show to possess biological activity. As for plant volatile components, a large degree of EAG response uniformity between male and female moth was observed. The greatest EAG responses of all plant volatiles tested were elicited by monoenic C‐6 alcohol and aldehyde. They are constituents of the “general green‐leaf odor” that emanates from most plants. The potential adaptive benefit of selective perception to sex pheromone and green‐leaf volatile components is discussed.
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