Biological Activity of the Larval Secretion of Chilecomadia valdiviana

Luis Reyes-Garcia, M. Fernanda Flores, Waleska Vera, Jan Bergmann

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6 Scopus citations


The carpenter worm, Chilecomadia valdiviana (Lepidoptera: Cossidae), is a polyphagous insect native to Chile that is associated with trees and bushes, including economically important species such as eucalyptus, avocado, and apples. We used a Y-olfactometer to analyze the olfactory responses of larvae to conspecific larvae, hexane extracts of larvae, and synthetic samples of the major components present in the extract (i. e., (Z)-5,13-tetradecadienyl acetate, (Z)-5-tetradecenyl acetate, and dodecyl acetate). The results obtained provide empirical evidence that (Z)-5,13-tetradecadienyl acetate is used as an aggregation pheromone by the larvae. The results are discussed in view of the existing information.

Original languageEnglish
Pages (from-to)1137-1142
Number of pages6
JournalJournal of Chemical Ecology
Issue number10
StatePublished - Oct 2011


  • (Z)-5,13-tetradecadienyl acetate
  • Chilecomadia valdiviana
  • Cossidae
  • Larval aggregation pheromone
  • Larval secretion
  • Lepidoptera


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