1. Department of Plant Sciences; University of Idaho; Aberdeen Research and Extension Center; Aberdeen ID 83210 USA
2. Department of Entomology, Plant Pathology and Nematology; University of Idaho; Aberdeen Research and Extension Center; Aberdeen ID 83210 USA
3. Department of Entomology; University of Florida; Citrus Research and Education Center; 700 Experiment Station Road, Lake Alfred FL 33850 USA
4. Statistical Programs; University of Idaho; 875 Perimeter Drive Moscow ID 83844 USA
5. Department of Entomology, Plant Pathology and Nematology; University of Idaho; 875 Perimeter Drive Moscow ID 83844 USA