Reference : Comparison of age-dependent quantitative changes in the male labial gland secretion o...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Life sciences : Entomology & pest control
Life sciences : Agriculture & agronomy
Comparison of age-dependent quantitative changes in the male labial gland secretion of Bombus terrestris and Bombus lucorum.
Zacek, Petr [> > > >]
Kalinova, Blanka [> > > >]
Sobotnik, Jan [> > > >]
Hovorka, Oldrich [> > > >]
Ptacek, Vladimir [> > > >]
Coppee, Audrey [> > > >]
Verheggen, François mailto [Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech >]
Valterova, Irena [> > > >]
Journal of Chemical Ecology
Kluwer Academic/Plenum Publishers
Yes (verified by ORBi)
New York
United States
[en] Age-related changes of antennal-active components of male labial gland extracts were studied in two closely related bumblebee species, Bombus terrestris and B. lucorum. In B. terrestris, compounds eliciting electroantennogram (EAG) responses of virgin queens were ethyl dodecanoate, 2,3-dihydrofarnesal, 2,3-dihydrofarnesol, hexadecan-1-ol, octadeca-9,12,15-trien-1-ol, and geranylcitronellol. Compounds that elicited EAG responses from queens of B. lucorum were ethyl dodecanoate, ethyl tetradec-7-enoate, ethyl tetradec-9-enoate, ethyl hexadec-9-enoate, hexadecan-1-ol, hexadec-7-enal, octadeca-9,12-dien-1-ol, octadeca-9,12,15-trien-1-ol, and octadecan-1-ol. Quantities of these compounds in the labial glands changed significantly over the lifetime of the respective males of the two species. In both species, concentrations of the respective compounds reached their maximum within seven days after eclosion. Subsequently, a rapid decrease in the amount of EAG-active compounds occurred in B. terrestris, whereas in B. lucorum the amount of active compounds stayed approximately constant or decreased at a slow rate. Microscopy showed that in B. terrestris secretory cells of the labial glands undergo apoptosis from the fifth to the tenth day of life, whilst in B. lucorum labial gland cells remain unchanged throughout the life of the males.

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