Distribution: - Loei Province - Saraburi Province - Chumphon Province - Songkhla Province - Chaiyaphum Province - Chanthaburi Province - Chiang Mai Province - Kanchanaburi Province - Mae Hong Son Province - Mukdahan Province - Nakhon Nayok Province: Khao Yai National Park - Nakhon Ratchasima Province - Nan Province - Phangnga Province - Phetchabun Province - Rayong Province - Sakon Nakhon Province - Surat Thani Province - Yala Province
Work cited: - Gustafson, G.T. and Miller, K.B. 2016. Revision of the Southeast Asian Whirligig Beetle Genus Porrorhynchus Laporte, 1835 (Coleoptera: Gyrinidae: Gyrininae: Dineutini). The Coleopterists Bulletin 70(4): 675–714.
