1. Unit of Chemical Ecology, Department of Plant Protection Biology Swedish University of Agricultural Sciences Alnarp Sweden
2. Department of Chemistry University of California Riverside California USA
3. Aquatic Bioassessment Laboratory California State University Chico California USA
4. Department of Entomology University of Illinois at Urbana‐Champaign Urbana Illinois USA
5. Department of Entomology University of California Riverside California USA