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  • 1
    Electronic Resource
    Electronic Resource
    Convenient method applicable to single insects for collection and measurement of blend ratios of airborne pheromones from artificial sources (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1677-1692 
    Details
    ISSN: 1573-1561
    Keywords: airborne pheromones ; collection ; GC-MS ; single insect ; glass surface ; pheromone composition ; (Z,E)-9,12-tetradecandienyl acetate ; aldehydes ; alcohol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A simple, fast, and sensitive technique has been developed for collecting airborne pheromones with potential application to a live and free-moving single insect. The surface within a disposable glass (Pasteur) pipet is sufficient to trap low nanogram quantities of sex pheromones, and molecules sensitive to oxidation such as (Z)-9-tetradecenal and (Z,E)-9,12-tetradecadienyl acetate are not significantly degraded during the chosen periods of aerial trapping. Rapid measurements of blend ratios for synthetic pheromone mixtures and detection at the low picogram level have been achieved by GC-MS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987354
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Chemical composition of sex pheromone of oriental fruit moth and rates of release by individual female moths (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 1421-1435 
    Details
    ISSN: 1573-1561
    Keywords: Grapholita molesta ; Lepidoptera ; Tortricidae ; sex pheromone ; effluvium ; release rates ; GC-MS ; (E/Z)-8-dodecenyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The sex pheromone emitted by individual calling females of the oriental fruit moth,Grapholita molesta, was trapped within glass capillaries, and the composition and release rates were determined by gas chromatography-mass spectrometry. Aerial release of (Z)-8-dodecenyl acetate ranged up to 25.3 ng/hr, while the mean release rate was 8.48 ± 7.26 ng/hr (±SD). The proportion of (E)-8-dodecenyl acetate to (Z)-8-dodecenyl acetate was remarkably constant (4.20 ± 0.60%). Significant amounts of dodecyl acetate were also recovered but, contrary to previous reports, only trace quantities of (Z)-8-dodecenol were detected in the effluvium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994366
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Variation in relative quantities of airborne sex pheromone components from individual femaleEphestia cautella (Lepidoptera: Pyralidae) (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 639-653 
    Details
    ISSN: 1573-1561
    Keywords: Effluvium ; variation ; Ephestia cautella ; Lepidoptera ; Pyralidae ; single insect ; pheromone composition ; behaviour ; GC-MS ; (Z,E)-9,12-tetradecadien-1-yl acetate ; (Z)-9-tetradecen-1-yl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The airborne sex pheromone components (Z,E)-9,12-tetradeca-dien-1-yl acetate and (Z)-9-tetradecen-1-y1 acetate from single calling females ofEphestia cautella (Walker) were trapped within glass capillary tubes and were measured by gas chromatography-mass spectrometry. Broad and similar distributions of relative quantities were found for a laboratory strain and three Australian field strains, and means differed strongly from those reported previously for this species. The overall mean proportion of the two components found for Australian females was 88∶12. The composition in individuals ranged from 63∶27 to 97∶3. The proportions for individuals appeared to vary slightly in a random fashion from day to day, and proportions for first-generation progeny were influenced by the maternal blend.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01880106
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    Paper (German National Licenses)
    Fulltext
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