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  • 1
    Electronic Resource
    Electronic Resource
    Chemotaxonomic study of undescribed species ofMyrmica ant from Idaho (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 335-342 
    Details
    ISSN: 1573-1561
    Keywords: Ant ; Myrmica ; Hymenoptera ; Formicidae ; exocrine secretions ; mandibular gland ; Dufour gland ; trail pheromone ; 3-ethyl-2,5-di-methylpyrazine ; bishomofamesene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract An undescribed species ofMyrmica collected in Idaho has been shown to have the same substances in its mandibular glands (3-octanol and 3-octanone and related 3-alkanols and 3-alkanones) and in its Dufour gland (linear alkanes, alkenes, and farnesene isomers and homologs) as previously examined European species ofMyrmica. The poison gland contains the trail pheromone 3-ethyl-2,5-dimethylpyrazine, common to allMyrmica species studied so far. The Dufour gland contains large amounts of bishomofarnesene, which easily distinguishes it from some 13 otherMyrmica already known.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00994336
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  • 2
    Electronic Resource
    Electronic Resource
    The dufour gland and the secretion placed on eggs of two species of social wasps,Liostenogaster flavolineata andParischnogaster jacobsoni (vespidae: Stenogastrinae) (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 279-290 
    Details
    ISSN: 1573-1561
    Keywords: Hymenoptera ; Vespidae ; Stenogastrinae ; Dufour gland ; Larval food ; egg secretion ; ant guard ; emulsifier ; eicosyloxyethanol ; hydrocarbons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The secretion placed on eggs and fed to larvae and the “ant guard” placed on the nest stalk ofParischnogaster jacobsoni contain the same hydrocarbons and in approximately the same proportions as is found in the Dufour gland. The secretion on eggs is a mixture of the contents of the Dufour gland and nectar. The emulsifying agent is a palmitic acid salt. Similarly, inLiostenogaster flavolineata, the egg secretion is an emulsion of nectar and Dufour gland secretion, which contains alkoxyethanol emulsifiers, found in nature for the first time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00993695
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Comparative Study of Mandibular Gland Secretions of Workers of Ponerine Ants (1999)
    Springer
    Journal of chemical ecology 25 (1999), S. 1395-1409 
    Details
    ISSN: 1573-1561
    Keywords: Hymenoptera ; Formicidae ; Ponerinae ; mandibular gland ; exocrine secretion ; chemical analysis ; alkylpyrazines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The chemical contents of the mandibular glands of workers of eight species of ponerine ants have been analyzed and quantified. In three species (Ectatomma sp. from Brazil, Odontomachus bauri, and Pachycondyla striata) the contents were essentially a mixture of alkylpyrazines only. Three species (Odontoponera transversa, Pachycondyla indica, and Pachycondyla obscuricornis) contained a mixture of alkylpyrazines and oxygenated compounds and some simple terpenes; and the remaining two (Diacamma vagans and a Diacamma sp. from India) had only oxygenated compounds present. The two Diacamma species were notable in containing a dioxaspiroundecane (a spiroketal), not hitherto found in ants. All the 33 known mandibular gland analyses of workers of ponerine ant species have been brought together in order to seek some pattern in the type of glandular contents. Although the majority (24 species) produce alkylpyrazines, there is no observable pattern on a tribe or genus level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1020987028163
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Volatile glandular secretions of three species of new world army ants,Eciton burchelli, Labidus coecus, andLabidus praedator (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 2705-2719 
    Details
    ISSN: 1573-1561
    Keywords: Hymenoptera ; Formicidae ; Ecitoninae ; army ants ; Eciton ; Labidus ; (E)-β-ocimene ; Dufour gland ; mandibular gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The Dufour glands of workers ofEciton burchelli contain a mixture of small quantities of oxygenated compounds, some of which are derived from terpenes, and C17-C25 hydrocarbons. The secretion of the Dufour glands of soldiers was either similar to that of workers, with geranylacetone a significant component, or they contained geranyllinalool in large amounts. The glands of workers and soldiers ofLabidus praedator andLabidus coecus contained (E)-β-ocimene, a new substance for the Dufour glands of ants. 4-Methyl-3-heptanone was the dominant compound in the mandibular glands ofE. burchelli andL. coecus. Skatole and indole were found in the gasters ofL. praedator, and skatole was present in the venom glands of some soldiers ofE. burchelli.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00980702
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    Paper (German National Licenses)
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