Journal of Chemical Ecology

, Volume 42, Issue 9, pp 908–918 | Cite as

Identification of a Novel Moth Sex Pheromone Component from Chilecomadia valdiviana

  • Heidy Herrera
  • Wilson Barros-Parada
  • M. Fernanda Flores
  • Wittko Francke
  • Eduardo Fuentes-Contreras
  • Marcela Rodriguez
  • Francisca Santis
  • Paulo H. G. Zarbin
  • Jan BergmannEmail author


Chilecomadia valdiviana (Philippi) (Lepidoptera: Cossidae) is an insect native to Chile. The larval stages feed on the wood of economically important fruit tree species such as apple, pear, olive, cherry, and avocado, and also on eucalyptus. This causes weakening and, in case of severe infestation, death of the tree. We report identification of the sex pheromone produced by females of this species. Hexane extracts of the abdominal glands of virgin females were analyzed by gas chromatography (GC) with electroantennographic detection, GC coupled with mass spectrometry, and GC coupled to infrared spectroscopy. The major pheromone component was identified as (7Z,10Z)-7,10-hexadecadienal (Z7,Z10–16:Ald), and minor components present in the extracts were (Z)-7-hexadecenal and (Z)-9-hexadecenal, hexadecanal, and (9Z,12Z)-9,12-octadecadienal. Structural assignments were carried out by comparison of analytical data of the natural products and their dimethyl disulfide adducts with those of authentic reference samples. In field tests, traps baited with Z7,Z10–16:Ald captured significantly more males than control traps.


Wood-boring insect Carpenter worm Male attractant Homoconjugated double bonds Lepidoptera Cossidae 



Financial support from Fondo Nacional de Desarrollo Científico y Tecnológico (Fondecyt grant 1140779 to JB), Fondo de Equipamiento Científico y Tecnológico (Fondequip grant EQM130154), and from Deutscher Akademischer Austauschdienst (via material resources program to JB) is gratefully acknowledged. HH likes to thank the Comisión Nacional de Investigación Científica y Tecnológica (Conicyt) for a doctoral fellowship.

Supplementary material

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Heidy Herrera
    • 1
  • Wilson Barros-Parada
    • 2
  • M. Fernanda Flores
    • 1
  • Wittko Francke
    • 3
  • Eduardo Fuentes-Contreras
    • 2
  • Marcela Rodriguez
    • 4
  • Francisca Santis
    • 1
  • Paulo H. G. Zarbin
    • 5
  • Jan Bergmann
    • 1
    Email author
  1. 1.Instituto de QuímicaPontificia Universidad Católica de ValparaísoValparaísoChile
  2. 2.Millennium Nucleus Center in Molecular Ecology and Evolutionary Applications in the Agroecosystems (CEM), Facultad de Ciencias AgrariasUniversidad de TalcaTalcaChile
  3. 3.Institute of Organic ChemistryUniversity of HamburgHamburgGermany
  4. 4.Departamento de Zoología, Facultad de Ciencias Naturales y OceanográficasUniversidad de ConcepciónConcepciónChile
  5. 5.Departamento de QuímicaUniversidade Federal do ParanáCuritibaBrazil

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