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  • 1
    Electronic Resource
    Electronic Resource
    Attractancy and species specificity of 6-acetoxy-5-hexadecanolide, a mosquito oviposition attractant pheromone (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 245-252 
    Details
    ISSN: 1573-1561
    Keywords: (−)-(5R6S)-6-Acetoxy-5-hexadecanolides ; oviposition attractant pheromone ; mosquitoes ; Culex quinquefasciatus ; Culex tarsalis ; Diptera ; Culicidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Four stereoisomers of 6-acetoxy-5-hexadecanolide, a mosquito oviposition attractant pheromone, were bioassayed for their activity on mosquitoes. Only (−)-(5R,6S) isomer was active in attractingCulex quinquefasciatus Say females for oviposition at dosages of 0.5 μg/100 ml water and above with the floating-cap method. The activity of this isomer increased 50-fold when it was applied directly to the water surface. The other three isomers, (+)-(5S,6R), (+)-(5R,6R), and (−)-(5s, 6s), were not active. The active isomer was ovipositionally attractive not only toC. quinquefasciatus but also toC. tarsalis Coquillett; however, it was 100 times more active in the former than in the latter species.Aedes aegypti (L.) andAnopheles quadrimaculatus Say were not attracted to the pheromone, thus suggesting that the pheromone is genus-specific.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01025885
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  • 2
    Electronic Resource
    Electronic Resource
    Isolation and identification of mosquito repellents inArtemisia vulgaris (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1297-1306 
    Details
    ISSN: 1573-1561
    Keywords: Artemisia vulgaris ; mosquito repellents ; Aedes aegypti ; Diptera ; Culicidae ; linalool ; camphor ; isoborneol ; borneol ; terpinen-4-ol ; isobornyl acetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The mugwortArtemisia vulgaris L. (Compositae: Anthemideae) contains insect repellents which can be released from the plant tissues by combustion. Work was carried out to isolate and identify the repellent compounds. The dried, pulverized whole plants were steam-distilled to give a repellent essential oil which was fractionated by column chromatography. Active fractions were analyzed by capillary GC and by combined GC-MS. A number of compounds, mainly monoterpenoids, were identified. When tested as repellents against the yellow fever mosquitoAedes aegypti L. (Diptera: Culicidae), (±)-linalool, (±)-camphor, (+)-camphor, (−)-camphor, isoborneol, (−)-borneol, terpinen-4-ol, and isobornyl acetate were active at 0.14 mg/cm2 or higher. Nonanone-3, (α+β)-thujone, and bornyl acetate were active at 0.28 mg/cm2 or higher. β-Pinene, myrcene, α-terpinene, (+)− limonene, and cineole were active at 1.4 mg/cm2. Of the repellent compounds identified, terpinen-4-ol was the most active and was as effective as dimethyl phthalate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01024117
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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