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  • 1
    Electronic Resource
    Electronic Resource
    Oriented flight responses of female Mediterranean fruit flies to calling males, odor of calling males, and a synthetic pheromone blend (1992)
    Springer
    Entomologia experimentalis et applicata 65 (1992), S. 259-266 
    Details
    ISSN: 1570-7458
    Keywords: Insecta ; Tephritidae ; attractant ; behavior ; Ceratitis capitata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Male Mediterranean fruit flies,Ceratitis capitata (Wiedemann), produce volatile chemicals thought to be attractive sex pheromones. We demonstrated for the first time that male odor elicits upwind flight and zigzagging upwind flight patterns in mature unmated females. Such flight patterns indicate the mechanisms involved in female location of the pheromone source and arrival at that source. Similar female oriented upwind flight responses occurred with a three component blend comprised of ethyl-(E)-octenoate, geranyl acetate, andE,E-alpha farnesene. These findings clarify the role of male sex pheromone in mate-location strategies in this species and provide new bioassay criteria for evaluating attraction responses to male pheromone and synthetic blends.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02343859
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis, synthesis, formulation, and field testing of three major components of male mediterranean fruit fly pheromone (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 1925-1940 
    Details
    ISSN: 1573-1561
    Keywords: Insecta ; Diptera ; Tephritidae ; Mediterranean fruit fly ; pheromone ; attractant ; Ceratitis capitata ; ethyl-(E)-3-octenoate ; geranyl acetate ; (E,E)-α-farnesene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Three major components, ethyi-(E)-3-octenoate, geranyl acetate, and (E,E)-α-farnesene, emitted as volatiles by laboratory-reared and wild male medflies were collected and analyzed qualitatively and quantitatively. Peak emission of these compounds occurred during the third to fifth hours of the photophase and differences were observed in the ratios of the three components emitted by male laboratory-reared and wild flies. These three compounds were synthesized, and a method was developed to formulate a synthetic blend that released the compounds in a ratio similar to that emitted by wild male medflies. Attractiveness of the blend to female medflies was demonstrated under field conditions by comparing trap catches. Black spherical traps, baited with the synthetic blend to release 1.6 male equivalents, caught significantly more females than blank traps and traps from which the blend released was 0.3, 3.2 or 6.4 male equivalents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00993739
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    Paper (German National Licenses)
    Fulltext
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