Hydaticus bimarginatus Say, 1834
Hydaticus bivittatus Laporte, 1834
Hydaticus caffer Boheman, 1848
Hydaticus congestus Sharp,
Hydaticus exclamationis Aubé, 1838
Hydaticus laevipennis Thomson, 1867
Hydaticus latior Regimbart, 1895
Hydaticus modestus Sharp, 1882
Hydaticus parallelus Clark, 1864
Hydaticus piceus LeConte, 1863