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Electrophysiological and behavioural responses of mosquitoes to volatiles of Silene otites (Caryophyllaceae)

Title data

Jhumur, Umma Salma ; Dötterl, Stefan ; Jürgens, Andreas:
Electrophysiological and behavioural responses of mosquitoes to volatiles of Silene otites (Caryophyllaceae).
In: Arthropod-Plant Interactions. Vol. 1 (2007) Issue 4 . - pp. 245-254.
ISSN 1872-8847
DOI: https://doi.org/10.1007/s11829-007-9022-3

Abstract in another language

In order to understand the biological significance of flower odour for attraction of mosquitoes, electrophysiological responses to headspace flower odour samples of Silene otites (L.) Wibel were investigated on Culex pipiens pipiens biotype molestus Forskal 1775 and Aedes aegypti L. using coupled gas chromatographic electroantennographic detection (GC-EAD). No remarkable differences in antennal responses to the odour compounds have been found between these two mosquito species. Further, the behavioural attractiveness of the electrophysiologically active compounds, singly or as multiple odour mixtures, was evaluated with bioassay experiments with C. pipiens molestus. In bioassays, C. pipiens responded to 14 electrophysiologically active compounds in different magnitudes (65–20%) and acetophenone, linalool oxide (pyranoid), phenyl acetaldehyde and phenylethyl alcohol were found as more attractive incomparison to the least attractive compound, hexanol. In two-stimulus choice test, mosquitoes were significantly more attracted to the mixture of the four most attractive compounds compared to the mixture of all 14 compounds. The results of present study confirm that floral odours are attractive cues for mosquitoes.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER54882
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: 14 Jul 2015 06:21
Last Modified: 14 Jul 2015 06:21
URI: https://eref.uni-bayreuth.de/id/eprint/16387