Distribution: - northeast of Thailand - Chaiyaphum Province: Nam Nao National Park - Chiang Mai Province: Doi Inthanon National Park - Chiang Mai Province: Doi Inthanon National Park - Chumphon Province - Kalasin Province: Phu Phan National Park - Kamphaeng Phet Province: Klong Lan National Park - Kanchanaburi Province - Khon Kaen Provine: Phu Pha Man National Park - Krabi Province: Khao Phanom Benja National Park - Lampang Province, Jae Sawn National Park - Lamphun Province: Mae Ping National Park - Loei Province: Na Haew National Park - Mae Hong Son Province - Nakhon Ratchasima Province: Khao Yai National Park - Nakhon Si Thamarat Province - Nan Province: Doi Phuka National Park - Pattani Province - Phang Nga Province - Phattalung Province - Phayao Province: Doi Luang National Park - Phetchabun Province: Tad Mork National Park - Phetchaburi Province - Phitsanulok Province: Thung Salaeng Luang National Park - Phrae Provice: Wieng Ko Sai National Park - Prachin Buri Province: Khao Yai National Park - Prachuap Khiri Khan Province - Ranong Province - Ratchaburi Province - Sakon Nakhon Province: Huay Huad National Park - Satun Province: Thale Ban National Park - Sisaket Province - Suratthani Province - Sra Kaeo Province, Pang Sida National Park - Songkhla Province - Tak Province: Lan Sang National Park - Trang Province - Uthai Thani Province - Uttaradit Province
Work cited: - Suksai, B., Sangpradub, N. and Zettel, H. 2016. Assemblage of aquatic Heteroptera (Gerromorpha and Nepomorpha) in relation to microhabitats in the Phong River, Northeast Thailand. Entomological Research 46: 93-106. - Vitheepradit, A. and Sites, R. 2007. A Review of Ptilomera (Heteroptera: Gerridae) in Thailand, with Descriptions of Three New Species. Annals of the Entomological Society of America 100(2): 139-151. - Chen, P.-P., Nieser, N. and Sangpradub, N. 2006. Records of aquatic bugs (Heteroptera, Gerromorpha, Nepomorpha) mainly from Northeast Thailand, with descriptions of four new species. Denisia 19, zugleich Kataloge der OÖ. Landesmuseen Neue Serie 50: 775-794.