WATER BEETLES (COLEOPTERA) OF OHIOChrysomelidae
Donaciinae
Carabidae (not listed for Ohio)Curculionidae (present in Ohio, but genera and species not known)
Dytiscidae
Acilius fraternus fraturnus** (Harris, 1828)
Acilius mediatus (Say, 1823)
Acilius semisulcatus** Aube, 1836
Acilius sylvanus Hilsenhoff, 1975
Agabetes acuductus** (Harris, 1828)
Agabus ambiguus (Say, 1823)
Agabus anthracinus Mannerheim, 1852
Agabus disintegretus** (Crotch, 1873)
?Agabus falli (Zimmermann, 1934)
Agabus gagates Aube, 1838
Agabus obtusatus (Say, 1838)
Agabus punctatus Melsheimer, 1844
Agabus semipunctatus (Kirby, 1837)
Agabus semivittatus (LeConte, 1852)
Agabus subfuscatus Sharp, 1882
Bidessonotus sp.*
Bidessonotus inconspicuus (LeConte, 1852
Celina sp.*
Celina hubbelli Young, 1979
Colymbetes sculptilis** Harris, 1829
Copelatus glyphicus** (Say, 1832)
Coptotomus sp.*
Coptotomus lenticus Hilsenhoff, 1980
Coptotomus venustus (Say, 1823)
Cybister fimbriolatus** (Say, 1823)
Deronectes sp.*
Desmopachria convexa (Aube, 1838)
Dytiscus sp.*
Dytiscus carolinus Aube, 1838
Dytiscus cordieri Aube, 1838
Dytiscus fasciventris Say, 1824
Dytiscus hybridus Aube, 1838
Dytiscus verticalis Say, 1823
Graphoderus fascicollis **
Graphoderus liberus **(Say, 1825)
Hydaticus aruspex Clark, 1864
Hydaticus cinctipennis Aube, 1838
Hydroporini*
Hydroporus defatus Fall, 1917
Hydroporus dentellus Fall, 1917
Hydroporus dichrous Melsheimer, 1844
Hydroporus melsheimeri Fall, 1917
Hydroporus niger Say, 1823
Hydroporus signatus Mannerheim, 1853
Hydroporus striola (Gyllenhal, 1821)
Hydrovatus sp.* Hydrovatus pustulatus pustulatus Melsheimer, 1844)
Hygrotus dissimilis Gemminger & Harold, 1868
Hygrotus impressopunctatus (Schaller, 1873)
Hygrotus laccophilnus (LeConte, 1878)
Hygrotus nubilus (LeConte, 1855
Hygrotus picatus (kirby, 1837)
Hygrotus sayi Balfour-Brown, 1944
Ilybius biguttulus Germar, 1824
Ilybius fraterculus LeConte, 1862
Ilybius oblitus Sharp, 1882
Laccophilus fasciatus rufus Melsheimer, 1844
Laccophilus maculosus maculosus Say, 1823
Laccophilus proximus Say, 1823
Laccophilus undatus Aue, 1838
Laccornis etnieri (LeConte, 1855)
Liodessus affinis (Say, 1823)
Liodessus flavicollis (LeConte, 1855)
Liodessus fuscatus (Crotch, 1873)
Matus ovatus ovatus Leech, 1941
Neoporus clypealis (Sharp, 1882)
Neoporus undalatus Say, 1823)
Oreodytes sp.
Rhantus binotatus (Harris, 1828)
Thermonectus sp.
Uvarus lacustris (Say, 1823)
Uvarus suburbanus Fall, 1917
Dryopoidae
Dryopidea
Helichus basalis LeConte, 1852
Helichus lithophilus (Germar, 1824)
Elmidae
Ancyronyx variegata LeConte, 1852
Dubiraphia bivittata (LeConte, 1852)
Dubiraphia quadrinotata
Dubiraphia minima Hilsenhoff, 1973
Dubiraphia vittata group
Macronychus glabratus Say, 1825
Microcylloepus pusillus
Optoservus ampliatus
Optoservus fasctiditus (LeConte, 1850)
Optoservus immunis
Optoservus ovalis
Optoservus trivittatus (Brown, 1930)
Stenelmis crenata (Say, 1824)
Stenelmis grossa Sanderson, 1938
Stenelmis sandersoni Musgrave, 1940
Stenelmis sexlineata
Stenelmis vittipennis
Gyrinidae
Dineutus sp.*
Dineutus assimilis Kirby, 1837
Dineutus discolor Aube, 1838
Dineutus emarginatus Say, 1825
Dineutus hornii Roberts, 1895
Dineutus nigrior Roberts, 1895
Gyretes sinuatus**
Gyrinus sp.*
Gyrinus aeneolus LeConte, 1868
Gyrinus affinis Aube, 1838
Gyrinus analis Say, 1825
Gyrinus bigarius Fall, 1922
Gyrinus gibber LeConte, 1868
Gyrinus lecontei Fall, 1922
Gyrinus maculventris LeConte, 1868
Gyrinus ventralis Kirby, 1837
Gyrinus woodruffi Fall, 1922
Haliplidae
Haliplus blanchardi Roberts, 1913
Haliplus borealis** LeConte, 1850
Haliplus connexus Matheson, 1912
Haliplus fasciatus** Aube, 1838
Haliplus immaculicolis** Harris, 1928
Haliplus pantherinus Aube, 1838
Haliplus triopsis** Say, 1823
Peltopytes dunavani Young, 1961
Peltopytes duodecimpunctatus (Say, 1823)
Peltopytes edentulus** (LeConte, 1863)
Peltopytes lengi Roberts, 1913
Peltopytes muticus (LeConte, 1863)
Peltopytes pedunculatus (Bltchley, 1910)
Peltodytes sexmaculatus** Roberts, 1913
Peltopytes tortulosus Roberts, 1913
Hydraenidae (not listed for Ohio)
Hydrophilidae
Hydrobinae
Anacaena limbata (Fabricius, 1792)
Berosus aculeatus (Fabricius, 1792)
Berosus fraternus LeConte, 1855
Berosus pantherinus LeConte, 1855
Berosus peregrinus (Herbst, 1797)
Berosus striatus (Say, 1825)
Cercyon sp.
Crentis sp.
Cymbiodyta blanchiardi Horn, 1890
Cymbiodyta chamberlaini Smetana, 1974
Cymbiodyta minima Notman, 1919
Cymbiodyta vindicata Fall, 1924
Enochrus cinctus Say, 1824)
Enochrus consortus (LeConte, 1863)
Enochrus hamiltoni (Horn, 1890)
Enochrus horni Leech, 1950
Enochrus ochraceus (Melsheimer, 1844)
Enochrus perplexus (LeConte, 1855)
Enochrus pygmaeus nebulosus (Say, 1824)
Enochrus sayi Gundersen, 1977
Helochares maculicollis
Helocombus bifidus (LeConte, 1855)
Helophorus fuscipes (Linnaeus, 1758)
Helophorus melaenus Germar, 1824
Hydrochara brevipalpis Smetana, 1980
Hydrochara leechi Smetana, 1980
Hydrochara obtusata (Say, 1823)
Hydrochara soror Smetana, 1980
Hydrochus neosquamifer Smetana, 1988
Hydrochus pseudosquamifer Miller, 1965
Hydrochus rufipes Melsheimer, 1846
Hydrochus scabratus Mulsant, 1844
Hydrochus squamifer LeConte, 1855
Hydrochus subcupreus Randall, 1838
Hydrophilus triangularis Say, 1823
Laccobius minutoides d'Orchymont, 1942
Laccobius spangleri Cleary, 1971
Paracymus confluens Wooldridge, 1966
Paracymus despectus (LeCont, 1863)
Paracymus subcupreus (Say, 1825)
Sperchopsis tesselatus
Tropisternus blatchleyi modestus d'Orchymont, 1938
Tropisternus collaris striolatus (Fabricius, 1775)
Tropisternus columbianus Brown, 1931
Tropisternus glaber (Herbst, 1797)
Tropisternus lateralis humeralis Motschulsky, 1859
Tropisternus lateralis nimbatus (Say, 1823)
Tropisternus mixtus (LeConte, 1855)
Tropisternus natator d'Orchymont, 1938
Lutrochidae
Lutrochus laticeps
Lampyridae (present in Ohio, but genera and species not known)
Noteridae
Hydrocanthus iricolor Say, 1823
Suphisellus puncticollis Crotch, 1873
Psephenidae
Dicranopselaphus variegatus
Ectopria leechi Brigham, 1981
Psephenus herricki (DeKay, 1844)
Ptilodactylidae
Anchytarsus bicolor (Melsheimer, 1846)
Scirtidae
Cyphon sp.
Staphylinidae
Philonthus sp.
*Ohio EPA carries this only to genus, or tribe (Hydroporini).**Ohio EPA recognizes this species.
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Checklist of Ohio Water Beetles (Coleoptera)