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1,4-Dimethoxybenzene, a floral scent compound in willows that attracts an oligolectic bee

Title data

Dötterl, Stefan ; Füssel, Ulrike ; Jürgens, Andreas ; Aas, Gregor:
1,4-Dimethoxybenzene, a floral scent compound in willows that attracts an oligolectic bee.
In: Journal of Chemical Ecology. Vol. 31 (2005) Issue 12 . - pp. 2993-2998.
ISSN 1573-1561
DOI: https://doi.org/10.1007/s10886-005-9152-y

Abstract in another language

Many bee species are oligolectic and collect pollen for their larvae only from one particular plant family or genus. Here we identified flower scent compounds of two Salix species important for the attraction of the oligolectic bee Andrena vaga, which is collecting pollen only from Salix. Flower scent was collected using dynamic-headspace methods from Salix caprea and S. atrocinerea, and the samples were subsequently analyzed by coupled gas chromatographic-electroantennographic detection (GC-EAD) in order to detect possible foraging kairomones of Andrena vaga. EAD active compounds were identified by gas chromatography coupled to mass spectrometry. Both Salix species had relatively similar scent profiles and the antennae of male and female bees responded to at least 16 compounds, among them different benzenoids as well as oxygenated monoterpenoids and sesquiterpenoids. The strongest antennal responses were triggered by 1,4-dimethoxybenzene and in field bioassays this benzenoid attracted females of Andrena vaga at the beginning of its flight period, but not at the end.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER31973
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Research Institutions > Research Centres > Institute of African Studies - IAS
Service Facilities
Service Facilities > Ökologisch-Botanischer Garten
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 580 Plants (Botany)
Date Deposited: 23 Nov 2015 07:47
Last Modified: 08 Jun 2016 05:50
URI: https://eref.uni-bayreuth.de/id/eprint/21473