A Male-produced Sex Pheromone from the Neotropical Redbanded Stink Bug, Piezodorus guildinii (W.)

  • Miguel Borges
  • Jocelyn G. Millar
  • R. A. Laumann
  • Maria C. B. Moraes
Article

Abstract

The male-produced sex pheromone of the neotropical redbanded stink bug, Piezodorus guildinii (W.) (Hemiptera: Pentatomidae), a serious pest of soybean in Central and South America, was identified as the sesquiterpene hydrocarbon β-sesquiphellandrene by coupled gas chromatography–mass spectrometry and laboratory bioassays. The identity was confirmed by comparison with an authentic standard, and its absolute configuration was determined to be (7R)-(+)-β-sesquiphellandrene. The mean rate of release was approximately 40 ng d−1 male−1. The compound was found only in extracts from sexually mature males. Laboratory olfactometer bioassays showed that 200 ng of the synthetic compound applied to a filter paper strip was as attractive to female bugs as odors from five 15-d-old live males, an airborne extract from males, or the fraction of the extract that contained (7R)-(+)-β-sesquiphellandrene.

Keywords

Soybean pest Sex pheromone β-Sesquiphellandrene Olfactometer bioassay 

Notes

Acknowledgements

We thank Hélio Santos, Diva Tiburcio, and Camila Raquel for helping with field collection and laboratory rearing of the insects used in this study. This work received financial support from the Brazilian Council for Scientific and Technological Development (CNPq), Distrito Federal Research Foundation (FAPDF), and EMBRAPA. This research was also supported by the International Foundation for Science, Stockholm, Sweden, through a grant to Maria Carolina Blassioli Moraes.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Miguel Borges
    • 1
  • Jocelyn G. Millar
    • 2
  • R. A. Laumann
    • 1
  • Maria C. B. Moraes
    • 1
  1. 1.EMBRAPA/Recursos Genéticos e Biotecnologia/NCB-Cx.Brasília, DFBrazil
  2. 2.Department of EntomologyUniversity of CaliforniaRiversideUSA

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