Psephenus
Psephenus is a genus of water penny beetles in the family Psephenidae. There are about 13 described species in Psephenus.
Species
These 13 species belong to the genus Psephenus:Psephenus arizonensis Brown & Murvosh, 1974Psephenus falli Casey, 1893Psephenus haldemani Horn, 1870Psephenus herricki Psephenus lutulentus Scudder, 1900Psephenus minckleyi Brown & Murvosh, 1974Psephenus montanus Brown & Murvosh, 1974Psephenus murvoshi Brown, 1970Psephenus oresbius Spangler, 1968Psephenus palpalis Champion, 1913Psephenus spangleriPsephenus texanus Brown & Arrington, 1967 Psephenus usingeri Hinton, 1934