Identification of the airborne aggregation pheromone of the common bed bug, Cimex lectularius
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| Authors: | Siljander, E; Gries, R; Khaskin, G; Gries, G |
| Year: | 2008 |
| Journal: | Journal of Chemical Ecology 34: 708-718 Article Link (DOI) |
| Title: | Identification of the airborne aggregation pheromone of the common bed bug, Cimex lectularius |
| Abstract: | Adults and juveniles of the common bed bug, Cimex lectularius L. (Hemiptera: Cimicidae), return to and aggregate in harborages after foraging for hosts. We tested the hypothesis that the aggregation is mediated, in part, by an airborne aggregation pheromone. Volatiles from experimental C. lectularius harborages were captured on Porapak Q, fractionated by liquid chromatography, and bioassayed in dual-choice, still-air olfactometer experiments. Of 14 compounds with > 100 pg abundance in gas chromatography-mass spectrometry analyses of two bioactive fractions, 10 compounds [nonanal, decanal, (E)-2-hexenal, (E)-2-octenal, (2E,4E)-octadienal, benzaldehyde, (+)- and (-)-limonene, sulcatone, benzyl alcohol] proved to be essential components of the C. lectularius airborne aggregation pheromone. |
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