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Metasternal gland volatiles and sexual communication in the triatomine bug, Rhodnius prolixus.
Laboratory of Triatomines and Chagas Disease Epidemiology, Instituto René Rachou/FIOCRUZ, 30190002, Belo Horizonte, Minas Gerais, Brazil.
University of Kalmar, School of Pure and Applied Natural Sciences.
University of Kalmar, School of Pure and Applied Natural Sciences.ORCID iD: 0000-0001-7158-6393
Laboratory of Triatomines and Chagas Disease Epidemiology, Instituto René Rachou/FIOCRUZ, 30190002, Belo Horizonte, Minas Gerais, Brazil.
2008 (English)In: Journal of Chemical Ecology, ISSN 0098-0331, E-ISSN 1573-1561, Vol. 34, no 4, 450-457 p.Article in journal (Refereed) Published
Abstract [en]

Twelve compounds produced by the metasternal glands (MGs) of the triatomine bug Rhodnius prolixus were identified by solid phase microextraction (SPME) combined with coupled gas chromatography-mass spectrometry (GC-MS) using achiral and chiral columns. All substances were ketones or alcohols, and the same compound profile was found in the secretions produced by either sex. The most abundant compounds were 2-methyl-3-buten-2-ol, (2S)-pentanol, (3E)-2-methyl-3-penten-2-ol, and (2R/2S)-4-methyl-3-penten-2-ol. Emission of these compounds was detected more frequently from females than males, and females released them more frequently during the early hours of the scotophase, the period when sexual activity in this species is at its peak. These compounds were also detected in the headspace above mating pairs. Finally, the occlusion of the MG orifices of male or female bugs with paraffin resulted in a significant decrease in copulation frequency compared to sham-operated insects. Together, these data suggest that the MG secretions of R. prolixus may be involved in sexual communication.

Place, publisher, year, edition, pages
2008. Vol. 34, no 4, 450-457 p.
National Category
Ecology Chemical Sciences
Research subject
Natural Science, Ecological chemistry
Identifiers
URN: urn:nbn:se:lnu:diva-47110DOI: 10.1007/s10886-008-9431-5PubMedID: 18317844OAI: oai:DiVA.org:lnu-47110DiVA: diva2:868397
Available from: 2015-11-10 Created: 2015-11-10 Last updated: 2017-01-11Bibliographically approved

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CiteExportLink to record
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