Known localities of Microdytes species in Thailand, Laos, and Cambodia, including literature records, sampling sites and additional records in this study. For those records where specific information of province was not reported, the location was mapped by dotted lines. Ecoregion classification is given following Olson et al. (2001). Thailand: 1 Mae Hong Son 2 Chiang Mai 3 Chiang Rai 4 Lampang 5 Lamphun 6 Phrae 7 Nan 8 Uttaradit 9 Phitsanulok 10 Phetchabun 11 Chaiyaphum 12 Loei 13 Bueng Kan 14 Nakhon Phanom 15 Sakon Nakhon 16 Mukdahan 17 Ubon Ratchathani 18 Tak 19 Uthai Thani 20 Kanchanaburi 21 Saraburi 22 Nakhon Ratchasima 23 Nakhon Nayok 24 Sa Kaeo 25 Chonburi 26 Rayong 27 Chanthaburi 28 Trat. Laos: 29 Phongsaly 30 Luang Namtha 31 Oudomxay 32 Luang Prabang 33 Vientiane 34 Bolikhamxai 35 Khammouane 36 Savannakhet 37 Sekong 38 Champasak 39 Attapeu.