Comparative analyses of lemon-smelling secretions from heads of Andrena F. (Hymenoptera,Apoidea) bees |
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| Affiliation: | 1. Ecological station of Uppsala University, S-380 60 Färjestaden, Sweden;2. Section of Ecological Chemistry, University of Göteborg, S-400 33 Göteborg, Sweden;1. School of Chemistry, University of Sydney, NSW 2006, Australia;2. Dyno Nobel AsiaPacific Pty Ltd, Mt Thorley, NSW 2330, Australia;1. Charles University, Third Faculty of Medicine, Prague, Czech Republic;2. University of Hradec Králové, Faculty of Science, Hradec Králové, Czech Republic;3. Crop Research Institute, Prague, Czech Republic;1. Organismal & Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland;2. Instituto Gulbenkian de Ciência, Oeiras, Portugal;1. Charles University in Prague, Third Faculty of Medicine, Prague, Czech Republic;2. University of Hradec Králové, Faculty of Science, Hradec Králové, Czech Republic;3. Crop Research Institute, Biodiversity Lab, Drnovská 507, CZ-161 06 Prague, Czech Republic;1. Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences, Tomsk 634055, Russia;2. National Research Tomsk State University, Tomsk 634050, Russia;3. Institute of Solid State Chemistry and Mechanochemistry of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk 630128, Russia |
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| Abstract: | - 1.1. Volatile cephalic secretions from male and female Andrena F. bees were analysed by capillary gas chromatography and mass spectrometry.
- 2.2. Eight species. A. clarkella (K.), A. fucata Smith, A. helvola (L.), A. praecox (Scop.), A. labiata F., A. fuscipes (K.), A. denticulata (K.) and A. nigriceps (K.), were studied, in A. nigriceps (K.) only females were available.
- 3.3. These species were found to contain some acyclic monoterpenes, especially geranial and neral, and/or straight-chain ketones with 8–14 carbon atoms.
- 4.4. The volatile compounds emanate from the mandibular glands.
- 5.5. Six of the species studied show large similarities in the composition of male and female cephalic secretions, whereas in one species. A. helvola (L.), characteristic differences were found between the sexes.
- 6.6. The possible role of the cephalic secretions in relation to territorial flight, population congregation, and sexual attraction is discussed.
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