Abstract
Two new species of subterranean Noteridae belonging to the genus Phreatodytes are described from Ehime Prefecture, Shikoku, Japan. The first species, Phreatodytes shiki sp. nov., was found in driven wells at around the Shigenobu-gawa River system in Matsuyama City. The second species, Phreatodytes masumotoi sp. nov., was discovered in driven well at around the Kunomura-gawa River in Uwajima City.