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Journal of Chemical Ecology

, Volume 13, Issue 6, pp 1543–1554 | Cite as

Chirality of macrolide pheromones of grain beetles in the generaOryzaephilusandCryptolestes and its implications for species specificity

  • A. C. Oehlschlager
  • G. G. S. King
  • H. D. PierceJr.
  • A. M. Pierce
  • K. N. Slessor
  • J. G. Millar
  • J. H. Borden
Article

Abstract

The chiralities of macrolide lactone aggregation pheromones of five species of economically important grain beetles have been determined by capillary gas chromatographic separation of the diastereomeric (S)-O-acetyllactate derivatives of the hydroxy methyl esters derived from boron trifluoride-catalyzed cleavage of the macrolides in methanol. Chirally pure (Z)-3-dodecen-11-olide (I) is produced in theS configuration byCryptolestes ferrugineus (Stephens) and in theR configuration byOryzaephilus mercator (Fauvel). (Z,Z)-3,6-Dodecadien-11-olide (II) is produced in theR configuration by bothO. mercator andO. surinamensis (L.). (Z,Z)-5,8-Tetradecadien-13-olide (IV) is produced in theR configuration byO. surinamensis and as a 85∶15 mixture ofR andS isomers byC. turcicus. (Z)-5-Tetradecen-13-olide (V) is produced in the S configuration byC. pusillus (Schönherr) and as a 33∶67 mixture of theR andS isomers byC. turcicus (Grouvelle). The results indicate that in these cucujids, species specificity in pheromone response is maintained at least in part by pheromone chirality.

Key words

Chiral semiochemicals pheromones enantiomeric composition enantiomeric synergism Cryptolestes ferrugineux Cryptolestes pusillus Cryptolestes turcicus Oryzaephilus mercator Oryzaephilus surinamensis Coleoptera Cucujidae (Z)-3-dodecen-11-olide (Z,Z)-3,6-dodecadien 11-olide (Z)-5-tetradecen-13-olide (Z,Z)-5,8-tetradecadien-13-olide 

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References

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Copyright information

© Plenum Publishing Corporation 1987

Authors and Affiliations

  • A. C. Oehlschlager
    • 1
  • G. G. S. King
    • 1
  • H. D. PierceJr.
    • 1
  • A. M. Pierce
    • 1
  • K. N. Slessor
    • 1
  • J. G. Millar
    • 1
  • J. H. Borden
    • 2
  1. 1.Department of ChemistrySimon Fraser UniversityBurnabyCanada
  2. 2.Centre for Pest Management, Department of Biological SciencesSimon Fraser UniversityBurnabyCanada

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