1. Department of Parasitology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
2. Department of Biology and Centre for Vectors and Vector-Borne Diseases, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
3. Faculty of Veterinary Science (Establishment Project), Prince of Songkla University, Songkhla 90110, Thailand
4. Research Center for the Pacific Islands, Kagoshima University, Kagoshima 890-8580, Japan
5. Entomology Section, Queen Sirikit Botanic Garden, P.O. Box 7, Chiang Mai 50180, Thailand
6. Office of Disease Prevention and Control No. 7, Department of Disease Control, Ministry of Public Health, Thailand, Ubon Ratchathani 34000, Thailand