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  • 1
    Electronic Resource
    Electronic Resource
    Trail Pheromone of Myrmicine Ant Pristomyrmex pungens (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 1025-1034 
    Details
    ISSN: 1573-1561
    Keywords: Ants ; Myrmicinae ; poison gland ; trail pheromone ; 6-n-pentyl-2-pyrone ; monoterpenes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The myrmicine ant Pristomyrmex pungens marks recruitment trails with poison gland secretions. The effective trail pheromone compound is 6-n-pentyl-2-pyrone. Poison gland components were identified by means of gas chromatographic coupled mass spectrometry. The biological activity was examined in trail-following experiments as well as in gas chromatographic coupled electroantennograms. In addition to 6-n-pentyl-2-pyrone, a number of monoterpenes were found in the poison gland secretion, i.e., α-pinene, camphene, β-pinene, myrcene, α-phellandrene, α-terpinene, and limonene. The terpenoid compounds increased the trail-following response only slightly when offered together with 6-n-pentyl-2-pyrone. In contrast to the latter component, synthetic monoterpenes elicited no orientation behavior in trail-following bioassays.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006386.14952.d7
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  • 2
    Electronic Resource
    Electronic Resource
    Mellein, a Trail Pheromone Component of the Ant Lasius fuliginosus (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 779-792 
    Details
    ISSN: 1573-1561
    Keywords: Ant ; Formicinae ; Lasius fuliginosus ; hindgut ; trail pheromone ; 3,4-dihydro-8-hydroxyisocoumarin ; mellein ; 2,3-dihydro-3,5-dihydroxy-6-methyl-4-H-pyran-4-one
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract 3,4-Dihydro-8-hydroxy-3-methylisocoumarin (mellein) and 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one are among the volatile constituents identified from the hindgut of the formicine ant Lasius (Dendrolasius) fuliginosus Mellein induces trail-following behavior in worker ants of this species and evokes electrophysiological responses from their antennae. The trail-following activity released by (R)-(−)-mellein is significantly higher than that elicited by its (S)-(+) antipode, or the racemic mixture. The above-mentioned pyranone is found also in the honeydew of aphids, the customary diet of this ant species. The pyranone also evokes some trail-following behavior, but its activity is far less pronounced than that of mellein. Apparently, extra pheromone components are present in the hindgut, since the activity of these two constituents, either individually or as a mixture, does not completely account for the total activity released by a hindgut extract containing similar amounts of these two compounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006410.35938.49
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