Institution: | 1. Department of Environmental Toxicology, University of California, Davis, CA 95616, USA2. Department of Entomology, Iowa State University, Ames, IA 50011, USA3. Natural Products Utilization Research, Agricultural Research Service, United States Department of Agriculture, University, MS 39677, USA4. Department of Entomology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA |