Staphylinidae Latreille, 1802
Hydrosmecta caduca Casey, 1910
Hydrosmecta callidula (Casey, 1910)
Hydrosmecta delicata (Bernhauer, 1906)
Hydrosmecta depresseola Casey, 1911
Hydrosmecta dulcis Casey, 1910
Hydrosmecta eximia (Shp., 1869)
Hydrosmecta fastidiosa Casey, 1911
Hydrosmecta longula (Heer, 1839)
Hydrosmecta macra (Fenyes, 1921)
Hydrosmecta odiosica Casey, 1911
Hydrosmecta pseudodiosica Lohse in Lohse, Klimaszewski & Smetana, 1990
Hydrosmecta salinasica Casey, 1911
Hydrosmecta septentrionum (Benick, 1969)
Hydrosmecta subparilis Casey, 1910
Hydrosmecta tincta Notman, 1921
Hydrosmecta torrida Notman, 1921