JapanolaccophilusJapanolaccophilus is a genus of predaceous diving beetles in the family Dytiscidae. There are at least two described species in Japanolaccophilus, one alive today and the other extinct.SpeciesThese two species belong to the genus Japanolaccophilus:Japanolaccophilus niponensis †Japanolaccophilus beatificus Balke & Hendrich, 2019