Journal of Chemical Ecology

, 22:1429 | Cite as

Attractant pheromone for male rice bug,Leptocorisa chinensis: Semiochemicals produced by both male and female

  • Walter Soares Leal
  • Yasuo Ueda
  • Mikio Ono
Article

Abstract

GC profiles of the airborne volatiles produced by adult males and females of the rice bug,L. chinensis showed no qualitative chemical dimorphism. However, GC-EAD experiments showed that eight of the compounds elicited strong responses in male and female antennae. Ruling out alarm pheromone and compounds that were not found in the whole-body extracts of the bugs, four compounds remained to be tested as possible attractants. In field experiments, the whole mixture or tertiary blends were not attractive: however, males were strongly attracted to a 5 : 1 mixture of 2-(E)-octenyl acetate and octanol. The attractancy of the binary mixture was decreased by the addition of 3-(Z)-octenyl actetate. Although the binary lure specifically attracted males, there was no evidence that it triggered any response of sexual behavior in males.

Key Words

Heteroptera Alydidae GC-EAD 2-(E)-octenyl acetate octanol 2-(E)-octenal 2-(E)-octenol octyl acetate 3-(Z)-octenyl acetate rice bug Leptocorisa chinensis 

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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • Walter Soares Leal
    • 1
  • Yasuo Ueda
    • 2
  • Mikio Ono
    • 3
  1. 1.Laboratory of Chemical ProspectingNational Institute of Sericultural and Entomological Science (NISES)TsukubaJapan
  2. 2.Agricultural Research InstituteIbaraki Agricultural CenterMito-shiJapan
  3. 3.Fuji Flavor Co. Ltd.Hamura-city, TokyoJapan

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