Geographic variation in sex pheromone of Asian corn borer, Ostrinia furnacalis, in Japan

Geographic variation in the sex pheromone of the Asian corn borer, Ostrinia furnacalis (Guenee), was surveyed in populations sampled at four locations ranging from 39.7 degrees N to 32.9 degrees N in Japan. The sex pheromone of the three northern populations was composed of (E)- and (Z)-12-tetradece...

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Veröffentlicht in:Journal of chemical ecology 1998-12, Vol.24 (12), p.2079-2088
Hauptverfasser: Huang, Y, Takanashi, T, Hoshizaki, S, Tatsuki, S, Honda, H, Yoshiyasu, Y, Ishikawa, Y
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Sprache:eng
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Zusammenfassung:Geographic variation in the sex pheromone of the Asian corn borer, Ostrinia furnacalis (Guenee), was surveyed in populations sampled at four locations ranging from 39.7 degrees N to 32.9 degrees N in Japan. The sex pheromone of the three northern populations was composed of (E)- and (Z)-12-tetradecenyl acetates with a mean E proportion of 36-39%. The southernmost population (Nishigoshi) had the same components but with a significantly higher E composition of 44%. The frequency distribution of the E ratio in the Nishigoshi population exhibited a small peak near 38% and a major peak near 46%. A family-wise analysis of the sex pheromone of this population confirmed that there were two distinct phenotypes regarding the E ratio. An "approximately 46% E strain" inhabits southern parts of Japan.
ISSN:0098-0331
1573-1561
DOI:10.1023/a:1020737726636