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  • Dendroctonus pseudotsugae  (1)
  • exo-brevicomin  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Dendroctonus pseudotsugae hopkins (Coleoptera: Scolytidae): Production of and response to enantiomers of 1-methylcyclohex-2-en-1-ol (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 1201-1208 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Dendroctonus pseudotsugae ; Douglas-fir beetle ; Coleoptera ; Scolytidae ; aggregation pheromone ; production ; response ; methylcyclohexenol ; seudenol ; enantiomers ; trapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Female Douglas-fir beetles,Dendroctonus pseudotsugae, produced an average 45∶55 mixture of the (S)-(−)- and (R)-(+)-enantiomers of 1-methylcyclohex-2-en-1-ol (MCOL). The (S)-(−)∶(R)-(+) ratio of 3-methylcyclohex-2-en-1-ol (seudenol) produced by this population of females was 34∶66. Lindgren funnel traps baited with (R)-(+)-MCOL attracted significantly more males and females than (S)-(−)-MCOL-baited traps, which captured significantly more beetles than unbaited controls. The combined effect of the enantiomers was additive, rather than synergistic. Either enantiomer of MCOL increased catches by frontalin-baited traps. Racemic MCOL can be used for trapping Douglas-fir beetles in south-central British Columbia.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00980074
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    The response of mountain pine beetle (Dendroctonus ponderosae) to lodgepole pine trees baited with verbenone and exo-brevicomin (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 533-541 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Dendroctonus ponderosae ; mountain pine beetle ; Coleoptera ; Scolytidae ; pheromone ; antiaggregation ; verbenone ; exo-brevicomin
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract exo-brevicomin, a multifunctional pheromone of the mountain pine beetle,Dendroctonus ponderosae, was tested at release rates of 0.5 and 2.5 mg/day alone and in combination with the antiaggregation pheromone verbenone against unbaited controls. Significantly more lodgepole pinePinus contorta var.latifolia trees were attacked, and at higher densities, with both release rates ofexo-brevicomin than with all other treatments. Verbenone significantly reduced the response of mountain pine beetles toexo-brevicomin. Verbenone alone did not reduce the number of trees attacked by mountain pine beetle or the attack density when compared to the unbaited controls.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987817
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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