This is a list of 924 species in Hydraena, a genus of minute moss beetles in the family Hydraenidae.

Hydraena species

Hydraena abbasigili Jäch, 1988 i c g

Hydraena abdita Orchymont, 1948 i c g

Hydraena abyssinica Régimbart, 1905 i c g

Hydraena accurata Orchymont, 1948 i c g

Hydraena achaica Jäch, 1995 i c g

Hydraena acumena Perkins, 2011 i c g

Hydraena adelbertensis Perkins, 2011 i c g

Hydraena adrastea Orchymont, 1948 i c g

Hydraena aethaliensis Breit, 1917 i c g

Hydraena affirmata Perkins, 2007 i c g

Hydraena affusa Orchymont, 1936 i c g

Hydraena africana Kuwert, 1888 i c g

Hydraena akameku Perkins, 2011 i c g

Hydraena akbesiana Audisio, De Biase and Jäch, 1993 i c g

Hydraena albai Sáinz-Cantero, 1993 i c g

Hydraena alberti Balfour-Browne, 1950 i c g

Hydraena alcantarana Ienistea, 1985 i c g

Hydraena algerina Kaddouri, 1992 i c g

Hydraena alia Orchymont, 1934 i c g

Hydraena aliciae Jäch and Díaz, 2005 i c g

Hydraena allomorpha Lagar and Fresneda, 1990 i c g

Hydraena alluaudi Régimbart, 1906 i c g

Hydraena alpicola Pretner, 1931 i c g

Hydraena altamirensis Díaz Pazos and Garrido Gonzalez, 1993 i c g

Hydraena altapapua Perkins, 2011 i c g

Hydraena alternata Perkins, 1980 i c g

Hydraena alterra Perkins, 1980 i c g

Hydraena alticola Skale and Jäch, 2008 i c g

Hydraena altiphila Perkins, 2011 i c g

Hydraena amazonica Perkins, 2011 i c g

Hydraena ambiflagellata Zwick, 1977 i c g

Hydraena ambigua Ganglbauer, 1901 i c g

Hydraena ambiosina Perkins, 2007 i c g

Hydraena ambra Perkins, 2011 i c g

Hydraena ambripes Perkins, 2011 i c g

Hydraena ambroides Perkins, 2011 i c g

Hydraena americana Jäch, 1993 i c g

Hydraena amidensis Jäch, 1988 i c g

Hydraena ampla Perkins, 2011 i c g

Hydraena anaphora Perkins, 1980 i c g

Hydraena anatolica Janssens, 1963 i c

Hydraena ancylis Perkins, 1980 i c g

Hydraena ancyrae Jäch, 1992 i c g

Hydraena andalusa Lagar and Fresneda, 1990 i c g

Hydraena andreinii Orchymont, 1934 i c g

Hydraena angulicollis Notman, 1921 i c g b

Hydraena angulosa Mulsant, 1844 i c g

Hydraena angustata Sturm, 1836 i c g

Hydraena anisonycha Perkins, 1980 i c g

Hydraena antaria Perkins, 2007 i c g

Hydraena antiatlantica Jäch, Aguilera and Hernando, 1998 i c g

Hydraena antiochena Jäch, 1988 i c g

Hydraena apertista Perkins, 2011 i c g

Hydraena apexa Perkins, 2011 i c g

Hydraena appalachicola Perkins, 1980 i c g

Hydraena appetita Perkins, 2007 i c g

Hydraena aquila Perkins, 2011 i c g

Hydraena arabica Balfour-Browne, 1951 i c g

Hydraena arachthi Ferro and Jäch, 2000 i c g

Hydraena arcta Perkins, 2007 i c g

Hydraena arenicola Perkins, 1980 i c g

Hydraena argutipes Perkins, 1980 i c g

Hydraena ariana Janssens, 1962 i c g

Hydraena arizonica Perkins, 1980 i c g

Hydraena armata Reitter, 1880 i c g

Hydraena armatura Perkins, 2014 i c g

Hydraena armeniaca Janssens, 1968 i c g

Hydraena armipalpis Jäch and Díaz, 2000 i c g

Hydraena armipes Rey, 1886 i c g

Hydraena aroensis (Ferro, 1991) i c g

Hydraena arunensis Skale and Jäch in Jäch and Skale, 2009 i c g

Hydraena ascensa Perkins, 2007 i c g

Hydraena assimilis Rey, 1885 i c g

Hydraena ateneo Freitag, 2013 i c g

Hydraena athertonica Perkins, 2007 i c g

Hydraena atrata Desbrochers des Loges, 1891 i c g

Hydraena atroscintilla Perkins, 2011 i c g

Hydraena attaleiae Ferro, 1984 i c g

Hydraena audisioi Jäch, 1992 i c g

Hydraena aulaarta Perkins, 2011 i c g

Hydraena aurita Jäch, 1988 i c g

Hydraena australica Zwick, 1977 i c g

Hydraena australula Perkins, 2007 i c g

Hydraena austrobesa Perkins, 2011 i c g

Hydraena avuncula Jäch, 1988 i c g

Hydraena bacchusi Perkins, 2011 i c g

Hydraena bactriana Janssens, 1962 i c g

Hydraena bakriensis Skale and Jäch, 2011 i c g

Hydraena balearica Orchymont, 1930 i c g

Hydraena balfourbrownei Bameul, 1986 i c g

Hydraena balkei Perkins, 2011 i c g

Hydraena balli Orchymont, 1940 i c g

Hydraena barbipes Zwick, 1977 i c g

Hydraena barricula Perkins, 1980 i c g

Hydraena barrosi Orchymont, 1934 i c g

Hydraena bedeli Berthélemy, 1992 i c g

Hydraena belgica Orchymont, 1930 i c g

List of Hydraena species