1. Department of Plant Protection, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Sriwijaya, Indralaya, Ogan Ilir, South Sumatra, Indonesia
3. Institute of Plantation Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
4. Malaysian Agricultural Research and Development Institute, Persiaran MARDI-UPM, Serdang, Selangor, Malaysia