Hydroglyphus

Hydroglyphus is a genus of beetles in the family Dytiscidae, containing the following species:
 * Hydroglyphus aethiopicus (Régimbart, 1907)
 * Hydroglyphus amamiensis (Satô, 1961)
 * Hydroglyphus angularis (Klug, 1834)
 * Hydroglyphus angulolineatus (Guignot, 1956)
 * Hydroglyphus annamita (Régimbart, 1889)
 * Hydroglyphus apertus (Guignot, 1941)
 * Hydroglyphus baeri (Régimbart, 1895)
 * Hydroglyphus balkei Hendrich, 1999
 * Hydroglyphus basalis (W.J. Macleay, 1871)
 * Hydroglyphus bilardoi Biström, 1986
 * Hydroglyphus borkuanus (Bruneau de Miré & Legros, 1963)
 * Hydroglyphus capitatus (Régimbart, 1895)
 * Hydroglyphus circulatus (Régimbart, 1889)
 * Hydroglyphus confusus (Klug, 1834)
 * Hydroglyphus crassifrons (Régimbart, 1903)
 * Hydroglyphus daemeli (Sharp, 1882)
 * Hydroglyphus dakarensis (Régimbart, 1895)
 * Hydroglyphus divisus (Régimbart, 1893)
 * Hydroglyphus erannus (Guignot, 1956)
 * Hydroglyphus farquharensis (Scott, 1912)
 * Hydroglyphus flammulatus (Sharp, 1882)
 * Hydroglyphus flaviculus Motschulsky, 1861
 * Hydroglyphus flavoguttatus (Régimbart, 1895)
 * Hydroglyphus flumineus (Omer-Cooper, 1959)
 * Hydroglyphus fufai (Omer-Cooper, 1931)
 * Hydroglyphus fulvaster (Guignot, 1955)
 * Hydroglyphus fuscipennis (Sharp, 1882)
 * Hydroglyphus gabonicus Bilardo & Rocchi, 1990
 * Hydroglyphus geminodes (Régimbart, 1895)
 * Hydroglyphus geminus (Fabricius, 1792)
 * Hydroglyphus godeffroyi (Sharp, 1882)
 * Hydroglyphus grammopterus (Zimmermann, 1928)
 * Hydroglyphus gujaratensis (Vazirani, 1973)
 * Hydroglyphus hamulatus (Gyllenhal, 1813)
 * Hydroglyphus hummeli (Falkenström, 1932)
 * Hydroglyphus incisus Biström, 1986
 * Hydroglyphus incognitus Biström, 1986
 * Hydroglyphus inconstans (Régimbart, 1892)
 * Hydroglyphus infirmus (Boheman, 1848)
 * Hydroglyphus instriatus (Zimmermann, 1928)
 * Hydroglyphus intermedius Biström, 1986
 * Hydroglyphus japonicus (Sharp, 1873)
 * Hydroglyphus kalaharii (Pederzani, 1982)
 * Hydroglyphus kifunei (Nakane, 1987)
 * Hydroglyphus koppi (Régimbart, 1895)
 * Hydroglyphus laeticulus (Sharp, 1882)
 * Hydroglyphus leai (Guignot, 1942)
 * Hydroglyphus lenzi (Gschwendtner, 1930)
 * Hydroglyphus licenti (Feng, 1936)
 * Hydroglyphus lineolatus (Boheman, 1848)
 * Hydroglyphus lobulatus (Wewalka, 1980)
 * Hydroglyphus luteolus (Régimbart, 1899)
 * Hydroglyphus major (Sharp, 1882)
 * Hydroglyphus marmottani (Guignot, 1941)
 * Hydroglyphus mastersii (W.J. Macleay, 1871)
 * Hydroglyphus milkoi (Omer-Cooper, 1931)
 * Hydroglyphus mysorensis (Régimbart, 1903)
 * Hydroglyphus noteroides (Régimbart, 1883)
 * Hydroglyphus orientalis (Clark, 1863)
 * Hydroglyphus orthogrammus (Sharp, 1882)
 * Hydroglyphus ovatus (Bilardo, 1982)
 * Hydroglyphus paludivagus (Omer-Cooper, 1959)
 * Hydroglyphus pendjabensis (Guignot, 1954)
 * Hydroglyphus pentagrammus (Schaum, 1864)
 * Hydroglyphus perssoni Biström & Nilsson, 1990
 * Hydroglyphus plagiatus (H.J.Kolbe, 1883)
 * Hydroglyphus pradhani (Vazirani, 1969)
 * Hydroglyphus pseudoctoguttatus Biström, 2000
 * Hydroglyphus pseudogeminus (Régimbart, 1877)
 * Hydroglyphus regimbarti (Gschwendtner, 1936)
 * Hydroglyphus rocchii Biström, 1986
 * Hydroglyphus roeri Biström & Wewalka, 1984
 * Hydroglyphus shalensis (Omer-Cooper, 1931)
 * Hydroglyphus signatellus (Klug, 1834)
 * Hydroglyphus signatus (Sharp, 1882)
 * Hydroglyphus socotraensis Wewalka, 2004
 * Hydroglyphus sordidus (Sharp, 1882)
 * Hydroglyphus speculum (Bruneau de Miré & Legros, 1963)
 * Hydroglyphus splendidus (Gschwendtner, 1930)
 * Hydroglyphus strigicollis (Fairmaire, 1880)
 * Hydroglyphus striola (Sharp, 1882)
 * Hydroglyphus transvaalensis (Régimbart, 1894)
 * Hydroglyphus transversus (Sharp, 1882)
 * Hydroglyphus trassaerti (Feng, 1936)
 * Hydroglyphus trifasciatus (Watts, 1978)
 * Hydroglyphus vitchumwii (Gschwendtner, 1935)
 * Hydroglyphus zanzibarensis (Régimbart, 1906)