1. Division of Pesticide Application; Taiwan Agricultural Chemicals and Toxic Substances Research Institute; Wufeng Taichung 41358 Taiwan
2. University of Georgia; Griffin GA 30223 USA
3. Department of Plant Pathology; National Chung Hsing University; Taichung 40227 Taiwan
4. Applied Zoology Division; Taiwan Agricultural Research Institute; Wufeng Taichung 41362 Taiwan