materials from different regions of Russia are encoded as: FS RU CU UR WS SS MS CY NE NF KM AM SH KU

Helophorus (Gephelophorus) sibiricus Motschulsky, 1860 SS
Helophorus (Cyphelophorus) tuberculatus Gyllenhal, 1808 England
Helophorus (Helophorus) bergrothi I.Sahlberg, 1880 SS
Helophorus (Helophorus) hammondi Angus Mongolia
Helophorus (Atracthelophorus) aspericollis Angus, 1973 paratypes! SS CY
Helophorus (Atracthelophorus) barbarae Angus, 1985 paratypes! WS
Helophorus (Atracthelophorus) brevipalpis Bedel, 1881 Ukraine
Helophorus (Atracthelophorus) kryzhanovskii Angus, 1985 paratypes! SS
Helophorus (Rhopalhelophorus) obscurus Mulsant, 1844 France
Helophorus (Rhopalhelophorus) aequalis Thomson, 1868 France
Helophorus (Rhopalhelophorus) alternans Gene, 1836 Spain
Helophorus (Rhopalhelophorus) aquaticus (Linnaeus, 1758) RU
Helophorus (Rhopalhelophorus) arvernicus Mulsant, 1846 Scotland
Helophorus (Rhopalhelophorus) asperatus Rey, 1885 France
Helophorus (Rhopalhelophorus) browni McCorkle SS
Helophorus (Rhopalhelophorus) carsoni Angus, 1970 paratype! Mongolia
Helophorus (Rhopalhelophorus) croaticus Kuwert CY
Helophorus (Rhopalhelophorus) discrepans Rey, 1885 RU
Helophorus (Rhopalhelophorus) dorsalis (Marsham, 1802) England
Helophorus (Rhopalhelophorus) flavipes Steven, 1808 FS
Helophorus (Rhopalhelophorus) fulgidicollis Motschulsky, 1860 France
Helophorus (Rhopalhelophorus) glacialis Villa, 1833 France
Helophorus (Rhopalhelophorus) grandis Illiger RU
Helophorus (Rhopalhelophorus) granularis (Linnaeus, 1761) WS
Helophorus (Rhopalhelophorus) griseus Herbst, 1793 England
Helophorus (Rhopalhelophorus) hilaris Sharp, 1916 Armenia
Helophorus (Rhopalhelophorus) illustris Sharp, 1916 France
Helophorus (Rhopalhelophorus) kerimi Ganglbauer, 1901 Mongolia
Helophorus (Rhopalhelophorus) kirgisicus Knisch, 1914 WS Iran
Helophorus (Rhopalhelophorus) lapponicus Thomson, 1854 WS CY
Helophorus (Rhopalhelophorus) lapponicus x minutus (hybrid. lab.)
Helophorus (Rhopalhelophorus) lapponicus x paraminutus (hybrid lab.)
Helophorus (Rhopalhelophorus) laticollis Thomson, 1853 FS WS CY
Helophorus (Rhopalhelophorus) longitarsis Wollaston WS Ukraine
Helophorus (Rhopalhelophorus) minutus Fabricius England
Helophorus (Rhopalhelophorus) mongoliensis Angus, 1970 paratype! Mongolia
Helophorus (Rhopalhelophorus) motschulskyi Angus WS
Helophorus (Rhopalhelophorus) nanus Sturm, 1836 WS CY
Helophorus (Rhopalhelophorus) nigricans Poppius, 1907 CY
Helophorus (Rhopalhelophorus) nubilus Fabricius, 1776 Spain
Helophorus (Rhopalhelophorus) oblongus Le Conte, 1850 CY
Helophorus (Rhopalhelophorus) orientalis Motschulsky, 1860 SS
Helophorus (Rhopalhelophorus) pallidus Gebler, 1830 WS CY
Helophorus (Rhopalhelophorus) paraminutus Angus, 1986 paratypes! WS
Helophorus (Rhopalhelophorus) parasplendidus Angus, 1970 CY
Helophorus (Rhopalhelophorus) poppii Angus CY
Helophorus (Rhopalhelophorus) porculus Bedel, 1881 Scotland
Helophorus (Rhopalhelophorus) praenanus Lomnicki (=jakutus Poppius, 1907) SS
Helophorus (Rhopalhelophorus) pumilio Erichson, 1837 RU
Helophorus (Rhopalhelophorus) redtenbacheri Kuwert, 1885 WS
Helophorus (Rhopalhelophorus) seidlitzi Kuwert, 1885 Spain
Helophorus (Rhopalhelophorus) similis Kuwert, 1885 WS
Helophorus (Rhopalhelophorus) splendidus I.Sahlberg, 1880 MS
Helophorus (Rhopalhelophorus) strigifrons Thomson, 1868 SS
Helophorus (Rhopalhelophorus) suturalis Motschulsky WS
Helophorus (Rhopalhelophorus) timidus Motschulsky, 1860 SS
Helophorus (Rhopalhelophorus) uvarovi Angus, 1985 paratypes! WS
Hydrochus flavipennis Kuster, 1852 WS
Hydrochus elongatus (Schaller, 1783) RU
Spercheus emarginatus Schaller, 1783 Ukraine
Berosus luridus (Linnaeus, 1761) CU WS
Berosus signaticollis Charpentier, 1825 WS
Berosus spinosus (Steven, 1808) CU WS SS Ukraine Moldova Tadzhikistan
Hydrochara affinis (Sharp, 1873) WS SS AM
Hydrochara caraboides (Linnaeus, 1758) RU WS Hungary
Hydrochara dichroma (Fairmaire, 1892) Ukraine Kazakhstan
Hydrochara flavipes (Steven, 1808) Hungary Turkmenistan Tadzhikistan Kazakhstan
Hydrochara libera (Sharp, 1884) AM
Limnoxenus niger Zschach. Ukraine
Hydrophilus piceus (Linnaeus, 1758) AMUkraine Crimea Azerbaijan Tadzhikistan Kyrghyzstan Kazakhstan
Hydrophilus acuminatus (Motschulsky, 1853) AM
Hydrophilus aterrimus (Eschscholtz, 1822) RU WS Kazakhstan
Hydrophilus dauricus (Mannerheim, 1852) WS SS AM SH
Hydrobius fuscipes (Linnaeus, 1758) RU WS CY AM Ukraine Moldova Kazakhstan
Anacaena globulus (Paykull, 1798) RU
Anacaena limbata (Fabricius, 1792) RU
Crenitis apicalis Reitter AM
Enochrus bicolor (Fabricius, 1792) Ukraine Moldova
Enochrus frontalis Erichson, 1837 RU WS Moldova Ukraine Crimea
Enochrus fuscipennis Thomson, 1884 Ukraine
Enochrus melanocephalus (Olivier, 1792) Ukraine Moldova
Enochrus minutus (Fabricius, 1781) WS Moldova
Enochrus quadripunctatus (Herbst, 1797) SS Ukraine
Enochrus simulans Sharp, 1873 Japan
Cymbiodyta marginella (Fabricius) WS KM Kazakhstan
Helochares griseus (Fabricius, 1787) RU WS
Laccobius minutus (Linnaeus, 1758) RU WS
Sphaeridium scarabaeoides (Linnaeus, 1758) WS SS MS SH KU Turkmenistan Uzbekistan Kyrghyzstan Kazakhstan
Sphaeridium substriatum Falderman, 1838 RU WS SS Tadzhikistan Kazakhstan
Sphaeridium lunatum Fabricius, 1792 RU WS SS Kazakhstan
Sphaeridium bipustulatum Fabricius, 1781 CU UR WS SS Kazakhstan
Coelostoma orbiculare (Fabricius, 1775) RU WS Kazakhstan
Cercyon analis (Paykull, 1798) RU
Cercyon bifenestratus Küster, 1851 RU
Cercyon haemorrhoidalis (Fabricius, 1775) RU
Cercyon (Cercyon) marinus Thomson, 1853 AM Moldova
Cercyon melanocephalus (Linnaeus, 1758) UR SS Kazakhstan
Cercyon quisquilius (Linnaeus, 1761) RU Ukraine Moldova Kazakhstan
Cercyon (Cercyon) setulosus Sharp, 1884 SH
Cercyon (Cercyon) symbion Shatrovskiy, 1989 SH
Cercyon unipunctatus (Linnaeus, 1758) RU WS Kazakhstan
Pachysternum haemorrhoum Motschulsky, 1866 Kazakhstan
Cryptopleurum minutum (Fabricius, 1775) CU WS Kazakhstan