JapanolaccophilusJapanolaccophilus is a genus of predaceous [diving beetle]s 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