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Sex Pheromone Components of Leucania separata WALKER and Leucania loreyi DUPONCHEL. Shozo TAKAHASHI and Mitsuo KAWARADANI (Pesticide Research Institute, College of Agriculture, Kyoto University, Sakyo, Kyoto 606) and Yasuo SATO and Michihiko SAKAI (Pesticide Research Laboratories, Takeda Chemical Industries Ltd., Ichijoji, Sakyo, Kyoto 606) Jap. J. appl. Ent. Zool. 23: 78-81 (1979) From an extract of female abdominal tips of Leucania separata (Z)-11-hexadecenol and its acetate have been isolated as the two major components of the sex pheromone. Ratio of the acetate to the alcohol in the extract was found to be 8:1. Laboratory bioassay of the synthetic compounds in ratios of between 9:1 and 1:1 showed high pheromonal activity. Two major components of the sex pheromone of Leucania loreyi have been isolated from an extract of female abdominal tips. These were identified as (Z)-9-tetradecenyl acetate and (Z)-11-hexadecenyl acetate.
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Takahashi et al. (1979) studied this question.
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