Identification of the Female Sex Pheromone of the Leafroller Proeulia triquetra Obraztsov (Lepidoptera: Tortricidae)

JAN BERGMANN , L. Reyes-Garcia, C. Ballesteros, Y. Cuevas, M. F. Flores, T. Curkovic

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Proeulia triquetra Obraztsov (Lepidoptera: Tortricidae) is an occasional pest in fruit orchards in central-southern Chile. In order to develop species-specific lures for detection and monitoring of this species, we identified the female-produced sex pheromone. (Z)-11-Tetradecenyl acetate (Z11-14:OAc), (E)-9-dodecenyl acetate (E9-12:OAc), and (E)-11-Tetradecenyl acetate (E11-14:OAc) were identified as biologically active compounds present in female pheromone glands by solvent extraction of the gland and analysis of the extracts by gas chromatography-electroantennographic detection and gas chromatography-mass spectrometry. In field tests, lures baited with synthetic Z11-14:OAc and E9-12:OAc in a 10:1 ratio were highly attractive to males of the species.

Original languageEnglish
Pages (from-to)351-356
Number of pages6
JournalNeotropical Entomology
Volume45
Issue number4
DOIs
StatePublished - 1 Aug 2016

Keywords

  • electroantennographic detection
  • Euliini
  • gas chromatography
  • male attractant
  • mass spectrometry
  • monitoring
  • reproductive isolation

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