Thomas C Baker1, Junwei J Zhu2, Jocelyn G Millar3,4. 1. Department of Entomology, Pennsylvania State University, University Park, PA, USA. tcb10@psu.edu. 2. US Department of Agriculture - Agricultural Research Service, Agroecosystem Management Research Unit, Lincoln, NE, USA. 3. Department of Entomology, University of California, Riverside, CA, USA. 4. Department of Chemistry, University of California, Riverside, CA, USA.