Identification, Synthesis and Field Testing of (3Z,6Z,9Z)-3,6,9-Henicosatriene, a Second Bioactive Component of the Sex Pheromone of the Autumn Gum Moth, Mnesampela privata

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• 作者：Paul W. Walker (1)
  Geoff R. Allen (1)
  Noel W. Davies (2)
  Jason A. Smith (3)
  Peter P. Molesworth (3)
  Anna Nilsson (4)
  Fredrik Andersson (4)
  Erik Hedenstr枚m (4)
  
• 关键词：Mnesampela privata ; Lepidoptera ; Geometridae ; Ennominae ; (3Z ; 6Z ; 9Z) ; 3 ; 6 ; 9 ; nonadecatriene ; (3Z ; 6Z ; 9Z) ; 3 ; 6 ; 9 ; henicosatriene ; (3Z ; 6Z ; 9Z) ; 3 ; 6 ; 9 ; tricosatriene ; Male attractant ; Female sex pheromone ; Male ; produced hydrocarbons ; Electroantennogram ; Field trapping
• 刊名：Journal of Chemical Ecology
• 出版年：2009
• 出版时间：December 2009
• 年：2009
• 卷：35
• 期：12
• 页码：1411-1422
• 全文大小：236KB
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• 作者单位：Paul W. Walker (1)
  Geoff R. Allen (1)
  Noel W. Davies (2)
  Jason A. Smith (3)
  Peter P. Molesworth (3)
  Anna Nilsson (4)
  Fredrik Andersson (4)
  Erik Hedenstr枚m (4)
  
  1. School of Agricultural Science/Tasmanian Institute for Agricultural Research, University of Tasmania, Hobart, Australia
  2. Central Science Laboratory, University of Tasmania, Hobart, Australia
  3. School of Chemistry, University of Tasmania, Hobart, Australia
  4. Department of Natural Sciences, Engineering and Mathematics, Mid Sweden University, SE-851 70, Sundsvall, Sweden
  

文摘

The sex pheromone of Mnesampela privata, an endemic pest of Eucalyptus plantations in Australia, was previously identified as a single bioactive compound, (3Z,6Z,9Z)-3,6,9-nonadecatriene (C19 triene). Initial field testing of lures containing 1聽mg, 5聽mg or 10聽mg of C19 triene (>98% purity) caught no or very few male M. privata. (3Z,6Z,9Z)-3,6,9-Henicosatriene (C21 triene) was identified as an additional minor pheromone component in abdominal tip extracts of M. privata females from Tasmania. Levels of both compounds extracted from individual females varied greatly, but the ratio was relatively constant at 33:1 C19:C21 trienes. Electroantennograms (EAG) of synthetic C21 triene with male M. privata gave positive but consistently lower responses than elicited by the C19 triene. Field tests showed that the addition of 1鈥?% C21 triene to 1聽mg C19 triene significantly increased trap catch and the detection of M. privata in plantations. Traps baited with a 16:1 ratio caught significantly more moths than those baited with a ratio approximating that of females.