1. Koshi Research Station, Institute for Plant Protection National Agriculture and Food Research Organization (NARO) Koshi, Kumamoto Japan
2. Institute for Plant Protection National Agriculture and Food Research Organization (NARO) Tsukuba, Ibaraki Japan
3. Southern Regional Plant Protection Center Tien Giang Vietnam
4. Southern Pesticide Control and Testing Center Ho Chi Minh Vietnam
5. Agusan Experiment Station Philippine Rice Research Institute Basilisa, Remedios T. Romualdez, 8611 Agusan del Norte Philippines