1. School of Veterinary and Life Sciences; Murdoch University; 90 South Street Murdoch WA 6150 Australia
2. Plant Biosecurity Cooperative Research Centre; LPO Box 5012 Bruce ACT 2617 Australia
3. Commonwealth Scientific and Industrial Research Organization; Clunies Ross Street Black Mountain ACT 2601 Australia
4. Department of Agriculture; Phaholyothin Road Chatuchak, Bangkok 10900 Thailand
5. Centre for Agricultural Biotechnology; Kasetsart University; Kamphaeng Saen Campus Nakhon Pathom 73140 Thailand
6. Plant Protection Centre; Department of Agriculture; Ministry of Agriculture and Forestry Lao PDR; PO Box 811 Vientiane Capital Laos