1. Czech Academy of Sciences, Biology Centre, Institute of Entomology, Branišovská 31/1160, České Budějovice 37005, Czech Republic
2. Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 16628 Prague 6, Czech Republic
3. Faculty of Chemical Technology, University of Pardubice, Studentská 95, 53210 Pardubice, Czech Republic