Quantification of the release rate of the aggregation pheromone of the western flower thrips, Frankliniella occidentalis (Pergande), using solid-phase microextraction (SPME)

Dublon, I. A.N. and Hamilton, J. G.C. and Kirk, W. D.J. (2008) Quantification of the release rate of the aggregation pheromone of the western flower thrips, Frankliniella occidentalis (Pergande), using solid-phase microextraction (SPME). Acta Phytopathologica et Entomologica Hungarica, 43 (2). pp. 249-256. ISSN 0238-1249

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Abstract

The aggregation pheromone of the western flower thrips, Frankliniella occidentalis (Thysanoptera: Thripidae), has previously been identified as the monoterpenoid ester neryl (S)-2-methylbutanoate. It attracts both male and female adults to traps in commercial glasshouses. In this paper, we investigate the rates of production of this compound at two male densities and in the presence or absence of an adult female. Solid-phase microextraction (SPME) was used to entrain live-male headspace odour and this was compared with external standards to obtain an estimate of pheromone production, which was about 100-300 pg male-1 h-1. Significantly more pheromone was apparently produced per male at the higher density, but no firm conclusions could be drawn because the rates were close to the limits of resolution. The rate of production was not affected by the presence of a female thrips. Another male-headspace component, (R)-lavandulyl acetate, was only detectable at the higher male density.

Item Type: Journal Article
Journal or Publication Title: Acta Phytopathologica et Entomologica Hungarica
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/1100/1109
Subjects:
Departments: Faculty of Health and Medicine > Biomedical & Life Sciences
ID Code: 137181
Deposited By: ep_importer_pure
Deposited On: 30 Sep 2019 22:19
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 12:15
URI: https://eprints.lancs.ac.uk/id/eprint/137181

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