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A syrphid fly uses olfactory cues to find a non-yellow flower

Title data

Primante, Clara ; Dötterl, Stefan:
A syrphid fly uses olfactory cues to find a non-yellow flower.
In: Journal of Chemical Ecology. Vol. 36 (2010) Issue 11 . - pp. 1207-1210.
ISSN 1573-1561
DOI: https://doi.org/10.1007/s10886-010-9871-6

Abstract in another language

Syrphid flies are frequent flower visitors, but little is known about the cues they use to find flowers. We determined the importance of visual and olfactory cues in a flight cage bioassay using Cirsium arvense (Asteraceae)flower heads and experienced Episyrphus balteatus (Diptera,Syrphidae). We tested the response of antennae of the fliesto headspace in florescence scent samples by using gaschromatography coupled to electroantennography (GCEAD).The bioassays revealed that both sexes of experienced flies rely on olfactory, not visual, cues to find C. arvenseflower heads. The GC-EAD measurements demonstrated that male and female flies have olfactory receptors for several of the compounds emitted by the inflorescences.These electroantennographic-active compounds may be responsible for the attraction of flies to the C. arvense flower heads. Among the compounds eliciting an antennal response are methyl salicylate and 2-phenylethanol, which were previously described as syrphid attractants. Overall, our study demonstrates for the first time that a syrphid fly uses olfactory and not visual cues to find a pollen/nectarhost-plant.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER88362
Institutions of the University: Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 06 Jul 2015 10:25
Last Modified: 06 Jul 2015 10:25
URI: https://eref.uni-bayreuth.de/id/eprint/15879