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J Chem Ecol

Title:		Variability in Sexual Pheromones Questions their Role in Bumblebee Pre-Mating Recognition System
Author(s):		Brasero N; Lecocq T; Martinet B; Valterova I; Urbanova K; de Jonghe R; Rasmont P;
Address:		"Research Institute of Biosciences, Laboratory of Zoology, University of Mons, Place du Parc 20, 7000, Mons, Belgium. nicolas.brasero@umons.ac.be. Research Institute of Biosciences, Laboratory of Zoology, University of Mons, Place du Parc 20, 7000, Mons, Belgium. Research Unit Animal and Functionalities of Animal Products (URAFPA), University of Lorraine - INRA, 2 Avenue de la Foret de Haye, BP 172, 54505, Vandoeuvre-les-Nancy, France. Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nam 2, CZ-166 10, Prague, Czech Republic. Faculty of Tropical AgriSciences, Department of Sustainable Technologies, Czech University of Life Sciences, Kamycka 129, CZ-165 21, Prague, Czech Republic"
Journal Title:		J Chem Ecol
Year:		2018
Volume:		20171206
Issue:		1
Page Number:		9 - 17
DOI:		10.1007/s10886-017-0910-4
ISSN/ISBN:		1573-1561 (Electronic) 0098-0331 (Linking)
Abstract:		"Sex-specific chemical secretions have been widely used as diagnostic characters in chemotaxonomy. The taxonomically confused group of bumblebees has reaped the benefit of this approach through the analyses of cephalic labial gland secretions (CLGS). Most of currently available CLGS descriptions concern species from the West-Palearctic region but few from the New World. Here, the CLGS of four East-Palearctic species Bombus deuteronymus, B. filchnerae, B. humilis, and B. exil (subgenus Thoracobombus) are analysed. Our results show high levels of variability in the major compounds in B. exil. In contrast, we describe a low differentiation in CLGS compounds between B. filchnerae and its phylogenetically closely related taxon B. muscorum. Moreover, the chemical profiles of B. filchnerae and B. muscorum are characterized by low concentrations of the C16 component, which is found in higher concentrations in the other Thoracobombus species. This raises the possibility that courtship behavior as well as environmental constraints could affect the role of the bumblebee males' CLGS"
Keywords:		Animals Bees/*chemistry/metabolism Exocrine Glands/chemistry/metabolism Female Gas Chromatography-Mass Spectrometry Male Principal Component Analysis Sex Attractants/analysis/*chemistry Cephalic glands Courtship behavior Pheromones Pollinator Social insec;
Notes:		"MedlineBrasero, Nicolas Lecocq, Thomas Martinet, Baptiste Valterova, Irena Urbanova, Klara de Jonghe, Roland Rasmont, Pierre eng 244090FP7/2007-2013/European community's seventh framework programme, STEP project (Status and Trends of European Pollinators/ 2017/12/07 J Chem Ecol. 2018 Jan; 44(1):9-17. doi: 10.1007/s10886-017-0910-4. Epub 2017 Dec 6"