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  • Hymenoptera  (2)
  • 1980-1984  (2)
  • 1965-1969
  • 1920-1924
  • 1982  (2)
Collection
Keywords
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Years
  • 1980-1984  (2)
  • 1965-1969
  • 1920-1924
Year
  • 1
    Electronic Resource
    Electronic Resource
    Specificity of laboratory trail following by the argentine ant,Iridomyrmex humilis (Mayr), to (Z)-9-hexadecenal, analogs, and gaster extract (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 1057-1063 
    Details
    ISSN: 1573-1561
    Keywords: Argentine ant ; Iridomyrmex humilis (Mayr) ; Hymenoptera ; Formicidae ; trail-following bioassay ; (Z)-9-hexadecenal ; geometric isomer ; analogues ; choice tests
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In laboratory trail-following bioassays of Argentine ant workers,Iridomyrmex humilis (Mayr), the geometric isomer, (E)-9-hexadecenal, of the trail pheromone component (Z)-9-hexadecenal elicited insignificant trail following as did the potentially more stable formate analogs, (Z)-7-tetradecenyl formate, (E)-7-tetradecenyl formate, and tetradecyl formate. Further, in direct choice tests, workers showed no preference for gaster extract trails (0.002 ant equiv/cm) over trails of (Z)-9-hexadecenal (0.2 ng/cm). Moreover, a 10-fold increase in synthetic trail concentration to 2.0 ng/cm caused (Z)-9-hexadecenal trails to be significantly preferred over gaster extract trails by trail-following ants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987886
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Trail-following responses of the Argentine ant,Iridomyrmex humilis (Mayr), to a synthetic trail pheromone component and analogs (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 3-14 
    Details
    ISSN: 1573-1561
    Keywords: Argentine ant ; Iridomyrmex humilis ; Hymenoptera ; Formicidae ; trail-following ; structure-activity ; (Z)-9-hexadecenal ; threshold ; trail emission rate ; synthetic trail longevity ; bioassay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Behavioral evidence indicates that (Z)-9-hexadecenal (Z9-16∶ALD) is a trail pheromone component ofIridomyrmex humilis, and that the true trail pheromone may be multicomponent. Trail-following responses ofI. humilis workers to several concentrations of syntheticZ9-16∶ALD, a constituent of the Pavan's gland, were found to be comparable to responses to gaster extract trails containing ca. 100 times lessZ9-16∶ALD. Of the five aldehyde analogs tested, only (Z)-7-hexadecenal (Z7-16∶ALD) elicited significant trail-following. However, following responses to severalZ9-16∶ALD-Z7-16∶ALD combinations were lower than responses toZ9-16∶ALD alone. Trails on filter paper of biologically relevant concentrations ofZ9-16∶ALD lose activity within 2 hr in the laboratory. The release rate ofZ9-16∶ALD measured from filter paper trails was 0.25 ± 0.10 pg/cm-sec. This was used to estimate the trail-following threshold for this compound of Argentine ant workers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984000
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    Paper (German National Licenses)
    Fulltext
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