Journal of Chemical Ecology

, Volume 35, Issue 3, pp 342–348 | Cite as

Sex Pheromones and Reproductive Isolation of Three Species in Genus Adoxophyes

  • Chang Yeol Yang
  • Kyeung Sik Han
  • Kyung Saeng Boo
Article
First Online:
Received:
Revised:
Accepted:

Abstract

We tested differences in female pheromone production and male response in three species of the genus Adoxophyes in Korea. Females of all three species produced mixtures of (Z)-9-tetradecenyl acetate (Z9–14:OAc) and (Z)-11-tetradecenyl acetate (Z11–14:OAc) as major components but in quite different ratios. The ratio of Z9–14:OAc and Z11–14:OAc in pheromone gland extracts was estimated to be ca. 100:200 for Adoxophyes honmai, 100:25 for Adoxophyes orana, and 100:4,000 for Adoxophyes sp. Field tests showed that males of each species were preferentially attracted to the two-component blends of Z9–14:OAc and Z11–14:OAc mimicking the blends found in pheromone gland extracts of conspecific females. The effects of minor components identified in gland extracts on trap catches varied with species. Addition of 10-methyldodecyl acetate (10me-12:OAc) or (E)-11-tetradecenyl acetate (E11–14:OAc) to the binary blend of Z9–14:OAc and Z11–14:OAc significantly increased captures of A. honmai males, whereas E11–14:OAc exhibited a strongly antagonistic effect on catches of Adoxophyes sp. males. Moreover, (Z)-9-tetradecen-1-ol (Z9–14:OH) or (Z)-11-tetradecen-1-ol (Z11–14:OH) added to the binary blends increased attraction of male A. orana but not A. honmai and Adoxophyes sp. males, suggesting that these minor components, in addition to the relative ratios of the two major components, play an important role in reproductive isolation between Adoxophyes species in the southern and midwestern Korea where these species occur sympatrically.

Keywords

Adoxophyes (Z)-9-tetradecenyl acetate (Z)-11-tetradecenyl acetate Lepidoptera Tortricidae Reproductive isolation 
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Notes

Acknowledgments

The authors thank Prof. Soowon Cho and Dr. Bong Kyu Byun for identification of Adoxophyes species and two anonymous reviewers and Jeremy McNeil for invaluable comments. We also acknowledge the assistance of Tae Hyun Kyung with field trials.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Chang Yeol Yang
    • 1
  • Kyeung Sik Han
    • 2
  • Kyung Saeng Boo
    • 3
  1. 1.National Institute of Horticultural and Herbal ScienceRural Development AdministrationSuwonRepublic of Korea
  2. 2.Department of Applied Plant ScienceShingu CollegeSeongnamRepublic of Korea
  3. 3.School of Agricultural BiotechnologySeoul National UniversitySeoulRepublic of Korea

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