New sex attractants were discovered for 37 lepidopterous speries in field screening tests with 26 monounsaturated long-chain acetates and alcohols. Interesting taxonomic groupings are discussed in cases where all attracted species of 1 subfamily utilize similar attractant structures. Three situations are discussed in which pairs of closely related species are reproductively isolated in the field by being attracted to different geometrical isomers.
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Roelofs et al. (1970) studied this question.
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