Distribution: - Chiang Mai Province: Doi Inthanon National Park - Kalasin Province: Phu Pan National Park - Kampaeng Phet Province: Khlong Lan National Park - Loei Province: Phu Ruea National Park - Mae Hong Son Province - Phetchaburi Province: Kaeng Ka Chan National Park - Phitsanulok Province - Phrae Province: Wieng Ko Sai National Park - Prachuap Khiri Khan Province: Namtok Huay Yang National Park - Ranong Province - Trang Province
Work cited: - Shepard, W.D. and Sites, R.W. 2016. Aquatic beetles of the families Dryopidae and Elmidae (Insecta: Coleoptera: Byrrhoidea) of Thailand: Annotated list and illustrated key to genera. Natural History Bulletin of the Siam Society 61(2): 89–126.
