See image for index to numbers. Hydroporus pictus F. =
Graptodytes pictus (Fabricius, 1787), adult, dorsal view [Hydroporus] flavipes Oliv. =
Graptodytes flavipes (Olivier, 1795), adult, dorsal view [Hydroporus] lineatus F. =
Porhydrus lineatus (Fabricius, 1775), adult, dorsal view [Hydroporus] dorsalis F. =
Suphrodytes dorsalis (Fabricius, 1787) (4a: typical adult, dorsal view, 4b: form with stronger pattern, adult, dorsal view, 4c: f. figuratus, adult, dorsal view) [Hydroporus] scalesianus Steph. =
Hydroporus scalesianus Stephens, 1828, adult, dorsal view [Hydroporus] angustatus Strm. =
Hydroporus angustatus Sturm, 1835, adult, dorsal view [Hydroporus] palustris L. =
Hydroporus palustris (Linnaeus, 1761) (7a: typical adult, dorsal view, 7b: f. lituratus, adult, dorsal view, 7c: hypermelanic form, adult, dorsal view) [Hydroporus] vittula Er. =
Hydroporus striola (Gyllenhal, 1826), adult, dorsal view [Hydroporus] notatus Strm. =
Hydroporus notatus Sturm, 1835, adult, dorsal view [Hydroporus] tristis Payk. =
Hydroporus tristis (Paykull, 1798), adult, dorsal view [Hydroporus] piceus Steph. =
Hydroporus gyllenhalii Schiødte, 1841, adult, dorsal view [Hydroporus] obscurus Strm. =
Hydroporus obscurus Sturm, 1835, adult, dorsal view [Hydroporus] elongatulus Strm. =
Hydroporus elongatulus Sturm, 1835, adult, dorsal view [Hydroporus] nivalis Heer. =
Hydroporus nivalis Heer, 1839, adult, dorsal view [Hydroporus] erythrocephalus L. =
Hydroporus erythrocephalus (Linnaeus, 1758), adult, dorsal view [Hydroporus] rufifrons Dfschm. =
Hydroporus rufifrons (O.F.Müller, 1776), adult, dorsal view [Hydroporus] fuscipennis Schaum. =
Hydroporus fuscipennis Schaum, 1868, adult, dorsal view [Hydroporus] planus F. =
Hydroporus planus (Fabricius, 1781), adult, dorsal view [Hydroporus] pubescens Gyll. =
Hydroporus pubescens (Gyllenhal, 1808), adult, dorsal view [Hydroporus] discretus Fairm. =
Hydroporus discretus Fairmaire & Brisout, 1859, adult, dorsal view [Hydroporus] nigrita F. =
Hydroporus nigrita (Fabricius, 1792), adult, dorsal view [Hydroporus] brevis Sahlb. =
Hydroporus brevis F.Sahlberg, 1834, adult, dorsal view [Hydroporus] ferrugineus Stephens. =
Hydroporus ferrugineus Stephens, 1829, adult, dorsal view