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  Families  Genera  Species A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Oaristes distincta (Muir, 1929)  validOliarus sindensis Shakila, 1984  valid
Oaristes impicta Linnavuori, 1973  validOliarus singularis Muir, 1924  valid
Oaristes phragmitis Linnavuori, 1973  validOliarus sinicus (Jacobi, 1944)  previous combination
Oaristes snelli (Muir, 1929)  validOliarus siporiensis (Muir, 1926)  valid
Obedas proboscidea Jacobi, 1910  validOliarus slossonae (Van Duzee, 1912)  previous combination
Obedas proboscideus Jacobi, 1910  validOliarus slossoni Van Duzee, 1908  incorrect original spelling
Obia tenebrosa Distant, 1887  validOliarus somaliensis Van Stalle, 1984  previous combination
Obtusicranus bicarinus Bartlett, 2006  validOliarus sonoitus Ball, 1937  previous combination
Obtusicranus bifidus Bartlett, 2010  validOliarus sordida Fieber, 1876  valid
Odontoptera carenoi Signoret, 1849  wrong spellingOliarus speciosus Matsumura, 1914  valid
Odontoptera carrenoi Signoret, 1849  validOliarus spinosus Bierman, 1910  previous combination
Odontoptera carrenonis Signoret, 1849  wrong spellingOliarus splendidula Fieber, 1876  valid
Odontoptera spectabilis Carreno, 1841  validOliarus sponsa Kirkaldy, 1906  previous combination
Odontoptera toulgoeti Bourgoin & O'Brien, 1994  validOliarus stenocephalus Haupt, 1917  previous combination
Oeagra buechei Bleuzen & Porion, 2004  validOliarus sterope Linnavuori, 1973  previous combination
Oeagra lugubris (Perty, 1833)  validOliarus stigma (De Motschulsky, 1863)  valid
Oeagra mystica Stål, 1863  validOliarus stylidentatus Dlabola, 1979  previous combination
Oechalina polyxo Fennah, 1970  validOliarus subnubila (Uhler, 1896)  valid
Oechalina stativa Melichar, 1914  validOliarus subpunctatus (Walker, 1870)  valid
Oechalina subacta Melichar, 1914  validOliarus sudanicus Lallemand, 1925  previous combination
Oechalinella bifasciata Wang, 2016  validOliarus sudanicus Lallemand, 1925  valid
Oecleopsis artemisiae (Matsumura, 1914)  validOliarus suezensis Matsumura, 1910  previous combination
Oecleopsis articara Van Stalle, 1991  validOliarus sulawesiensis Van Stalle, 1991  previous combination
Oecleopsis bifidus (Tsaur, Hsu & Van Stalle, 1988)  validOliarus sumbensis Lallemand & Synave, 1953  synonym
Oecleopsis chiangi (Tsaur, Hsu & Van Stalle, 1988)  validOliarus swazica Van Stalle, 1987  valid
Oecleopsis cucullatus (Noualhier, 1896)  validOliarus swezeyi Giffard, 1925  valid
Oecleopsis elevatus (Tsaur, Hsu & Van Stalle, 1988)  validOliarus sylvaticus Caldwell, 1947  previous combination
Oecleopsis laminatus Zhi & Chen, 2018  validOliarus synavei Van Stalle, 1987  previous combination
Oecleopsis mori (Matsumura, 1914)  validOliarus tabrobanensis Melichar, 1903  valid
Oecleopsis petasatus (Noualhier, 1896)  validOliarus talunia Kirkaldy, 1906  valid
Oecleopsis productus Zhi & Chen, 2018  validOliarus tamangensis Van Stalle, 1991  previous combination
Oecleopsis sinicus (Jacobi, 1944)  validOliarus tamehameha Kirkaldy, 1902  previous combination
Oecleopsis spinosus Guo, Wang & Feng, 2009  validOliarus tangira Matsumura, 1910  valid
Oecleopsis tiantaiensis Guo, Wang & Feng, 2009  validOliarus tantala Giffard, 1925  valid
Oecleopsis wuyiensis Guo, Wang & Feng, 2009  validOliarus tanzanica Van Stalle, 1987  valid
Oecleopsis yoshikawai (Ishihara, 1961)  validOliarus tappanus Matsumura, 1914  previous combination
Oecleus acutus Ball, 1902  validOliarus tarai Kirkaldy, 1902  valid
Oecleus addendus Fowler, 1904  validOliarus tarai hawaiiensis Kirkaldy, 1902  valid
Oecleus apicatus Caldwell, 1944  validOliarus tarai kohalana Giffard, 1925  valid
Oecleus apterapunctatus Caldwell, 1944  validOliarus tasmani Kirkaldy, 1907  valid
Oecleus arnellus Ball & Klingenberg, 1935  validOliarus tectonae Shakila, 1984  valid
Oecleus augur Kramer, 1977  validOliarus tesquorum Emeljanov, 1969  nomen nudum
Oecleus balli Kramer, 1977  validOliarus testacea Walker, 1851  valid
Oecleus biflagellatus O'Brien, 1982  validOliarus texana Metcalf, 1923  valid
Oecleus bilineatus Caldwell, 1938  synonymOliarus texanus (Metcalf, 1923)  previous combination
Oecleus borealis Van Duzee, 1912  validOliarus teximus (Caldwell, 1947)  previous combination
Oecleus brunneus Fowler, 1904  validOliarus thekkadiensis Van Stalle, 1987  previous combination
Oecleus cabazonus Ball & Klingenberg, 1935  synonymOliarus torossicus Dlabola, 1957  previous combination
Oecleus campestris Ball, 1902  validOliarus trachas Fennah, 1956  valid
Oecleus capitulatus Van Duzee, 1912  validOliarus transitoria Berg, 1883  valid
Oecleus centronus Ball & Klingenberg, 1935  validOliarus trifasciatus Metcalf, 1954  synonym
Oecleus cephalicus Caldwell, 1944  validOliarus trispiralis Löcker, 2006  valid
Oecleus chrisjohni Kramer, 1977  validOliarus tristis Fieber, 1876  valid
Oecleus concinnus Fowler, 1904  validOliarus troas Linnavuori, 1973  valid
Oecleus constrictus Caldwell, 1944  validOliarus truncata Van Duzee, 1929  valid
Oecleus cucullus Kramer, 1977  validOliarus truncatus (Van Duzee, 1929)  previous combination
Oecleus decens Stål, 1862  validOliarus tsoui Muir, 1925  previous combination
Oecleus delongi Caldwell, 1944  validOliarus turae Muir, 1922  valid
Oecleus dormido Bahder & Bartlett, 2022  validOliarus turae Muir, 1922  previous combination
Oecleus dubius Caldwell, 1944  validOliarus uncatus Caldwell, 1947  previous combination
Oecleus epetrion Kramer, 1977  validOliarus undabundus Van Stalle, 1990  valid
Oecleus excavatus Ball, 1902  validOliarus urundiana Fennah, 1955  synonym
Oecleus fulvidorsum Ball, 1902  validOliarus vafer Fennah, 1949  valid
Oecleus glochin Kramer, 1977  validOliarus vanstallei Dmitriev, 2020  valid
Oecleus infuscatus Caldwell, 1944  validOliarus varians Synave, 1956  previous combination
Oecleus jenniferae Kramer, 1977  validOliarus varii Synave, 1959  synonym
Oecleus kasparyani Emeljanov, 2007  validOliarus velox Matsumura, 1914  previous combination
Oecleus lineatus Ball, 1902  validOliarus venosus Rambur, 1840  previous combination
Oecleus lyra Kramer, 1977  validOliarus venusia Fennah, 1958  valid
Oecleus mackaspringi Myrie, Helmick, Bartlett, Bertaccini & Bahder, 2019  validOliarus verheyeni Synave, 1953  previous combination
Oecleus martharum Kramer, 1977  validOliarus verrucosus Dubovskiy, 1970  valid
Oecleus minimus Fowler, 1904  validOliarus vicarius (Walker, 1851)  previous combination
Oecleus monilipennis Van Duzee, 1923  validOliarus viequensis Caldwell, 1951  previous combination
Oecleus natatorius Ball, 1937  validOliarus vilis (Walker, 1857)  valid
Oecleus netrion Kramer, 1977  validOliarus villosa (Fabricius, 1775)  valid
Oecleus netron Kramer, 1977  validOliarus virgultivagus Hesse, 1925  previous rank
Oecleus nolinus Ball & Klingenberg, 1935  validOliarus vitreus Metcalf, 1923  homonym
Oecleus obrieni O'Brien, 1982  validOliarus vitreus Melichar, 1905  valid
Oecleus obtusus Ball, 1902  validOliarus vitreus Metcalf, 1923  homonym
Oecleus palton Kramer, 1977  validOliarus vitreus Metcalf, 1923  nomen praeoccupatum
Oecleus parallelus Caldwell, 1944  validOliarus vittata Metcalf, 1923  synonym
Oecleus patulus Kramer, 1977  validOliarus waialeale Giffard, 1925  valid
Oecleus pellucens Fowler, 1904  validOliarus waikau Hoch & Howarth, 1999  valid Cavernicolous
Oecleus perpictus Van Duzee, 1929  validOliarus wailupensis Giffard, 1925  valid
Oecleus pigmy Ball & Klingenberg, 1935  validOliarus walkeri (Stål, 1859)  valid
Oecleus piperatus Ball & Klingenberg, 1935  validOliarus wazae Van Stalle & Synave, 1984  valid
Oecleus planus Ball & Klingenberg, 1935  validOliarus yangi Tsaur, 1989  previous combination
Oecleus pontifex Kramer, 1977  validOliarus yavapanus Ball, 1934  previous combination
Oecleus productus Metcalf, 1923  validOliarus yoshikawai Ishihara, 1961  previous combination
Oecleus pulchellatus Ball & Klingenberg, 1935  synonymOliarus zairensis Van Stalle, 1987  previous combination
Oecleus quadrileneatus Van Duzee, 1912  validOliarus zaonensis Wang, 1991  valid
Oecleus quinquelineatus Caldwell, 1944  validOliarus zercanus Dlabola, 1965  synonym
Oecleus rhion Kramer, 1977  validOliarus zimbabwei Van Stalle, 1987  valid
Oecleus sagittatus Ball & Klingenberg, 1935  validOliarus zyxus Caldwell, 1947  previous combination
Oecleus seminiger Stål, 1862  validOlibroma nitidum Emeljanov, 1964  previous combination
Oecleus sergipensis Bartlett, Dos Passos, Gonçalves da Silva, Diniz & Dollet, 2018  validOligaethus rostratus Jacobi, 1928  valid
Oecleus snowi Ball, 1905  validOligocixia electrina† Gebicki & Wegierek, 1993  valid
Oecleus spatulatus Caldwell, 1944  validOlipa decumbens (Jacobi, 1941)  valid
Oecleus subreflexus Van Duzee, 1925  validOliparisca agusani (Van Stalle, 1991)  valid
Oecleus tamiamus Ball & Klingenberg, 1935  validOliparisca inermis (Van Stalle, 1991)  nomen praeoccupatum
Oecleus teapae Fowler, 1904  validOliparisca microstylus (Van Stalle, 1991)  valid
Oecleus tenellus Fowler, 1904  validOliparisca modicus (Walker, 1857)  valid
Oecleus tenellus Fowler, 1904  previous combinationOliparisca mogoponipae (Van Stalle, 1991)  valid
Oecleus texanus Ball, 1937  synonymOliparisca muluensis (Van Stalle, 1991)  valid
Oecleus triplicatus Ball & Klingenberg, 1935  validOliparisca penrissensis (Van Stalle, 1991)  valid
Oecleus troxanon Kramer, 1977  validOliparisca pundaloyensis (Van Stalle, 1991)  valid
Oecleus urru Bahder & Bartlett, 2023  validOliparisca simplex (Walker, 1857)  valid
Oecleus vates Kramer, 1977  validOliparisca spectabilis Dmitriev, 2020  valid
Oecleus venosus Van Duzee, 1912  validOliparisca sulawesiensis (Van Stalle, 1991)  valid
Oeclideus koebelei Muir, 1934  wrong spellingOlmiana argentina Guglielmino, Bückle & Emeljanov, 2010  valid
Oeclideus parallelus Muir, 1934  wrong spellingOlonia alboapicata Jacobi, 1928  previous combination
Oeclidius aboraca Fennah, 1980  validOlonia apicalis (Walker, 1851)  previous combination
Oeclidius antricola Fennah, 1980  valid CavernicolousOlonia bourgoini Constant, 2018  valid
Oeclidius brickellus Ball, 1934  synonymOlonia danielsi Constant, 2018  valid
Oeclidius browni† Bourgoin & Lefebvre, 2002  validOlonia guillaumei Constant, 2018  valid
Oeclidius brownii† Bourgoin & Lefebvre, 2002  wrong spellingOlonia hochae Constant, 2018  valid
Oeclidius carolus Ball, 1934  validOlonia marginata Distant, 1906  valid
Oeclidius conopa Fennah, 1980  validOlonia maura (Fabricius, 1775)  valid
Oeclidius fraternus Van Duzee, 1923  validOlonia monteithi Constant, 2018  valid
Oeclidius fulgidus (Van Duzee, 1907)  validOlonia nigroapicata Jacobi, 1928  synonym
Oeclidius fuscosus (Van Duzee, 1907)  validOlonia nobilis (Stål, 1863)  valid
Oeclidius fuscosus (Van Duzee, 1907)  previous identificationOlonia ornata Lallemand, 1928  previous combination
Oeclidius fuscosus (Van Duzee, 1907)  misidentificationOlonia picea Kirkaldy, 1906  valid
Oeclidius hades Fennah, 1973  valid CavernicolousOlonia picea Kirkaldy, 1906  synonym
Oeclidius hanabanillae Myers, 1928  validOlonia picea Kirkaldy, 1906  status revivisco
Oeclidius koebelei Muir, 1934  validOlonia picea Kirkaldy, 1906  synonym
Oeclidius minos Fennah, 1980  valid CavernicolousOlonia picea Kirkaldy, 1906  status revivisco
Oeclidius nanus Van Duzee, 1914  validOlonia rubicunda (Walker, 1851)  valid
Oeclidius nimbus Ball, 1934  validOlonia rylandae Constant, 2018  valid
Oeclidius parallelus Muir, 1934  validOlonia soulierae Constant, 2018  valid
Oeclidius (Paroeclidius) luizi (Myers, 1928)  validOlonia transversa (Walker, 1858)  previous combination
Oeclidius pelagon Fennah, 1980  validOlonia transversa (Walker, 1858)  valid
Oeclidius persephone Fennah, 1980  valid CavernicolousOlonia viridiventris Stål, 1863  previous combination
Oeclidius princeps Fennah, 1980  validOlontheus obscurus Jacobi, 1944  previous combination
Oeclidius salaco† Emeljanov & Shcherbakov, 2000  validOlontheus obscurus Jacobi, 1944  synonym
Oeclidius tenellus (Fowler, 1904)  validOlontheus obscurus Jacobi, 1944  status revivisco
Oeclidius transversus Ball, 1934  validOlontheus obscurus Jacobi, 1944  status revivisco
Oeclidius trinitatis Myers, 1928  validOmalocephala carinifrons Stål, 1859  status revivisco
Oeclixius amphion† Fennah, 1963  validOmalocephala carinifrons (Stål, 1859)  previous rank
Oenopia princeps Melichar, 1913  previous combinationOmalocephala carinifrons Stål, 1859  synonym
Ohausiella andina Schmidt, 1910  validOmalocephala cincta (Fabricius, 1803)  valid
Okatropis lineola Matsumura, 1914  previous combinationOmalocephala festiva (Fabricius, 1781)  valid
Okatropis rubrostigmata Matsumura, 1914  previous combinationOmalocephala fulva Metcalf, 1947  synonym
Okenana lycaena Distant, 1912  synonymOmalocephala haemorrhoidalis (Olivier, 1791)  previous combination
Okissus kuroiwae Matsumura, 1916  previous combinationOmalocephala intermedia (Bolivar, 1879)  valid
Oliarellus fulvus (Kusnezov, 1935)  validOmalocephala morosa Westwood, 1851  previous combination
Oliarissa armiger (Fennah, 1944)  validOmbro vindemitor Fennah, 1977  valid
Oliaronus tontonus Ball, 1934  validOmmatidiotus acutus Horváth, 1905  valid
Oliarus abacus Caldwell, 1947  validOmmatidiotus alternans Horváth, 1916  valid
Oliarus abyssinicus Van Stalle, 1987  previous combinationOmmatidiotus concinnus Horváth, 1905  valid
Oliarus acaciae Kirkaldy, 1909  validOmmatidiotus dashdorzhi Dlabola, 1967  valid
Oliarus acanthopygophoris Löcker, 2006  validOmmatidiotus dissimilis (Fallén, 1806)  valid
Oliarus acicus Caldwell, 1947  previous combinationOmmatidiotus dissmilis Bolivar & Chicote, 1879  wrong spelling
Oliarus acuminatus Muir, 1924  validOmmatidiotus falleni Horváth, 1901  synonym
Oliarus acuticeps Jacobi, 1917  validOmmatidiotus falleni Bolivar & Chicote, 1879  synonym
Oliarus adonis Fennah, 1958  validOmmatidiotus falleni Stål, 1863  synonym
Oliarus adustus Fieber, 1872  validOmmatidiotus falléni Stål, 1863  valid
Oliarus aeneus Van Stalle, 1984  previous combinationOmmatidiotus inconspicuus Stål, 1863  valid
Oliarus aethiops Van Stalle, 1984  validOmmatidiotus incospicuus Kusnezov, 1930  wrong spelling
Oliarus afghanus Dlabola, 1957  validOmmatidiotus iranicus Horváth, 1905  valid
Oliarus africanus Synave, 1959  synonymOmmatidiotus japonicus Hori, 1977  valid
Oliarus agnata Giffard, 1925  validOmmatidiotus karafutonis Matsumura, 1911  valid
Oliarus agrippa Fennah, 1967  previous combinationOmmatidiotus koreanus Matsumura, 1915  valid
Oliarus agusani Van Stalle, 1991  previous combinationOmmatidiotus longiceps Puton, 1896  valid
Oliarus alabandus Fennah, 1967  previous combinationOmmatidiotus longicipiti Horváth, 1916  wrong spelling
Oliarus alastor Fennah, 1967  previous combinationOmmatidiotus nigritus Matsumura, 1911  valid
Oliarus albata Giffard, 1925  validOmmatidiotus viduus Horváth, 1905  valid
Oliarus albifacialis Distant, 1906  validOmmatissus alpinus Linnavuori, 1973  valid
Oliarus albiziae Van Stalle, 1987  validOmmatissus apicalis Matsumura, 1913  synonym
Oliarus albomaculata Van Stalle, 1987  validOmmatissus bimaculatus Muir, 1931  valid
Oliarus albomaculatus Muir, 1924  validOmmatissus binotatus Fieber, 1872  nomen nudum
Oliarus alexanor Kirkaldy, 1906  validOmmatissus binotatus Fieber, 1875  valid
Oliarus altanatus Caldwell, 1951  previous combinationOmmatissus binotatus var. lybicus de Bergevin, 1930  previous combination
Oliarus altanus Ball, 1934  previous combinationOmmatissus bourgoini Asche, 1994  valid
Oliarus ampijorensis Synave, 1965  validOmmatissus chinsanensis Muir, 1913  valid
Oliarus anamalaii Van Stalle, 1991  validOmmatissus kamerunus Asche & Wilson, 1989  valid
Oliarus andobensis Synave, 1965  validOmmatissus lofouensis Muir, 1913  valid
Oliarus andradana Van Stalle, 1991  validOmmatissus loufouensis Muir, 1921  wrong spelling
Oliarus andradanus Van Stalle, 1987  previous combinationOmmatissus lybicus de Bergevin, 1930  valid
Oliarus angolensis Synave, 1959  previous combinationOmmatissus magribus Asche & Wilson, 1989  valid
Oliarus angsensis Van Stalle, 1991  validOmmatissus natalensis Asche & Wilson, 1989  valid
Oliarus angusticeps Horváth, 1892  validOmmatissus (Opatissus) vietnamicus Asche & Wilson, 1989  valid
Oliarus angustiformis Linnavuori, 1953  previous combinationOmmatissus tumidulus Linnavuori, 1973  valid
Oliarus annandalei Distant, 1911  validOmmatisus binotatus Chicote, 1880  wrong spelling
Oliarus apache Ball, 1934  previous combinationOmolicna (Agoo) xavieri Bahder & Bartlett, 2019  previous combination
Oliarus apicalis Kusnezov, 1937  synonymOmolicna anastomosis Caldwell, 1944  valid
Oliarus apicalis (Uhler, 1896)  previous combinationOmolicna anastomosis Caldwell, 1944  previous combination
Oliarus apiculatus Fieber, 1876  previous combinationOmolicna brunnea (Mc Atee, 1924)  valid
Oliarus arcbogdulus Dlabola, 1985  previous combinationOmolicna brunnea (Mc Atee, 1924)  previous combination
Oliarus archogdulus Dlabola, 1965  validOmolicna cocoana Rodriguez-Leon & Hidalgo- Gato, 2005  valid
Oliarus aridus Ball, 1902  previous combinationOmolicna cocoana Rodriguez-Leon & Hidalgo- Gato, 2005  previous combination
Oliarus ariston Fennah, 1969  validOmolicna cubana (Myers, 1926)  previous combination
Oliarus arizonensis Mead & Kramer, 1982  previous combinationOmolicna cubana (Myers, 1926)  valid
Oliarus artemisiae Beirne, 1950  nomen praeoccupatumOmolicna dominicana Fennah, 1952  previous combination
Oliarus artemisiae Beirne, 1950  homonymOmolicna dominicana Fennah, 1952  valid
Oliarus artemisiae Matsumura, 1914  previous combinationOmolicna dubia Caldwell, 1944  previous combination
Oliarus asaica Kirkaldy, 1906  previous combinationOmolicna fulva (Van Duzee, 1909)  previous combination
Oliarus atkinsae Myers, 1928  previous combinationOmolicna fulva (Van Duzee, 1909)  valid
Oliarus atkinsoni Myers, 1924  previous combinationOmolicna joi Wilson, Halbert & Bextine, 2014  previous combination
Oliarus atricollis Van Stalle, 1984  validOmolicna joi Wilson, Halbert & Bextine, 2014  valid
Oliarus azrak Linnavuori, 1973  validOmolicna latens Fennah, 1952  previous combination
Oliarus aztecus Caldwell, 1947  validOmolicna latens Fennah, 1952  valid
Oliarus badakshanus Dlabola, 1957  validOmolicna mariajosae Bahder & Bartlett, 2021  valid
Oliarus bahardari Van Stalle, 1987  validOmolicna mcateei (Dozier, 1928)  previous combination
Oliarus bahtiaricus Dlabola, 1981  previous combinationOmolicna mcateei (Dozier, 1928)  valid
Oliarus bakeri Muir, 1924  validOmolicna nero Fennah, 1971  previous combination
Oliarus balachowskyi Synave, 1978  validOmolicna nero Fennah, 1971  valid
Oliarus ballista Fennah, 1958  previous combinationOmolicna nigripennis Caldwell, 1944  previous combination
Oliarus bantuanus Distant, 1907  validOmolicna nigripennis Caldwell, 1944  valid
Oliarus barajus Dlabola, 1957  previous combinationOmolicna (Omolicna) anastomosis Caldwell, 1944  previous name
Oliarus basalis (Lethierry, 1890)  synonymOmolicna (Omolicna) brunnea (Mc Atee, 1924)  previous name
Oliarus bazarus Caldwell, 1951  validOmolicna (Omolicna) cocoana Rodriguez-Leon & Hidalgo- Gato, 2005  previous name
Oliarus beebei Metcalf, 1945  validOmolicna (Omolicna) cubana (Myers, 1926)  previous name
Oliarus beieri Wagner, 1970  previous combinationOmolicna (Omolicna) dominicana Fennah, 1952  previous name
Oliarus beirnei Emeljanov, 1978  previous combinationOmolicna (Omolicna) dubia Caldwell, 1944  previous name
Oliarus bidiensis Van Stalle, 1991  previous combinationOmolicna (Omolicna) fulva (Van Duzee, 1909)  previous combination
Oliarus bifidus Tsaur, Hsu & Van Stalle, 1988  previous combinationOmolicna (Omolicna) joi Wilson, Halbert & Bextine, 2014  previous name
Oliarus bilineatus Muir, 1924  validOmolicna (Omolicna) latens Fennah, 1952  previous name
Oliarus bimaculata Schmidt, 1930  validOmolicna (Omolicna) mcateei (Dozier, 1928)  previous name
Oliarus bingervillei Synave, 1968  validOmolicna (Omolicna) nero Fennah, 1971  previous name
Oliarus binghami Distant, 1911  previous combinationOmolicna (Omolicna) nigripennis Caldwell, 1944  previous name
Oliarus biperforatus Fennah, 1945  previous combinationOmolicna (Omolicna) proxima Fennah, 1945  previous name
Oliarus bispinosus Synave, 1960  previous combinationOmolicna (Omolicna) puertana Caldwell, 1951  previous name
Oliarus bispinus Caldwell, 1947  previous combinationOmolicna (Omolicna) puncta Caldwell, 1944  previous name
Oliarus bitinctus Dlabola, 1961  previous combinationOmolicna (Omolicna) quadrispinosa Caldwell, 1944  previous name
Oliarus bitinctus Dlabola, 1961  previous combinationOmolicna (Omolicna) rubrimarginata Fennah, 1945  previous combination
Oliarus bizonata Kato, 1932  validOmolicna (Omolicna) tarco Fennah, 1971  previous name
Oliarus bohemani (Stål, 1859)  previous combinationOmolicna (Omolicna) texana Caldwell, 1944  previous name
Oliarus bomansi Synave, 1979  validOmolicna (Omolicna) triata Caldwell, 1944  previous name
Oliarus boninensis Matsumura, 1914  previous combinationOmolicna (Omolicna) uhleri (Ball, 1902)  previous name
Oliarus borbonicus Williams, 1975  validOmolicna proxima Fennah, 1945  previous combination
Oliarus borinquensis Caldwell, 1951  synonymOmolicna proxima Fennah, 1945  valid
Oliarus borneensis Muir, 1924  validOmolicna puertana Caldwell, 1951  previous combination
Oliarus bouakeanus Kirkaldy, 1906  previous combinationOmolicna puertana Caldwell, 1951  valid
Oliarus bourouensis Linnavuori, 1965  previous combinationOmolicna puncta Caldwell, 1944  previous combination
Oliarus brachycephalus Haupt, 1917  nomen praeoccupatumOmolicna puncta Caldwell, 1944  valid
Oliarus brachycephalus Haupt, 1917  homonymOmolicna quadrispinosa Caldwell, 1944  valid
Oliarus brachycephalus Distant, 1907  previous combinationOmolicna quadrispinosa Caldwell, 1944  previous combination
Oliarus brachycephalus Haupt, 1917  homonymOmolicna rubrimarginata Fennah, 1945  previous combination
Oliarus bragancanus Van Stalle, 1987  previous combinationOmolicna tarco Fennah, 1971  previous combination
Oliarus breviceps Kusnezov, 1937  previous combinationOmolicna tarco Fennah, 1971  valid
Oliarus breviceps Fowler, 1904  synonymOmolicna texana Caldwell, 1944  valid
Oliarus brevilinea Matsumura, 1910  validOmolicna texana Caldwell, 1944  previous combination
Oliarus brunnifrons Muir, 1924  previous combinationOmolicna triata Caldwell, 1944  previous combination
Oliarus brunninervosus Van Stalle, 1987  previous combinationOmolicna triata Caldwell, 1944  valid
Oliarus brunnistigmatus Van Stalle, 1987  validOmolicna uhleri (Ball, 1902)  previous combination
Oliarus buruana Schmidt, 1926  validOmolicna uhleri (Ball, 1902)  valid
Oliarus busoensis Van Stalle, 1989  validOna perplexa Metcalf, 1954  previous combination
Oliarus caffer (Stål, 1855)  previous combinationOncodelphax (Ceranisa) improvisa Emeljanov, 1982  valid
Oliarus caldwelli Mead & Kramer, 1981  validOncodelphax improvisa Emeljanov, 1982  previous combination
Oliarus californica Van Duzee, 1914  validOncodelphax (Oncodelphax) micula Emeljanov, 1982  valid
Oliarus californicus Van Duzee, 1914  previous combinationOncodelphax (Oncodelphax) pullula (Boheman, 1852)  valid
Oliarus camilla Linnavuori, 1973  validOncodelphax (Oncodelphax) pullula (Boheman, 1852)  previous combination
Oliarus canyonensis Mead & Kramer, 1981  previous combinationOncodelphax pullula (Boheman, 1852)  previous name
Oliarus capeneri Synave, 1933  validOnidodelphax serratus Yang, 1989  valid
Oliarus carolinensis Metcalf, 1954  validOnkelos annulatus Distant, 1916  previous combination
Oliarus cashatti Synave, 1979  validOnycta tessellata (Distant, 1888)  valid
Oliarus catus Caldwell, 1947  previous combinationOomima badia Berg, 1879  valid
Oliarus caudatus (Walker, 1858)  validOphthalmosphaerius binocularis (Chen, Zhang & Chang, 2014)  valid
Oliarus chiangi Tsaur, Hsu & Van Stalle, 1988  previous combinationOphthalmosphaerius trilobulus (Che, Zhang & Wang, 2006)  valid
Oliarus chiluvoensis Van Stalle, 1987  validOpiconsiva albicollis (De Motschulsky, 1863)  valid
Oliarus chipetanus Van Stalle, 1987  validOpiconsiva albimarginata Chen & Li, 2000  valid
Oliarus chiriquensis Fowler, 1904  validOpiconsiva anufrievi Kwon, 1982  synonym
Oliarus chirundensis Van Stalle, 1987  validOpiconsiva balteata Distant, 1917  synonym
Oliarus chuliotus Ball, 1934  previous combinationOpiconsiva balteata Distant, 1917  synonym
Oliarus cinerea Wolcott, 1921  validOpiconsiva colorata Distant, 1917  previous combination
Oliarus cingalensis (Distant, 1911)  validOpiconsiva colorata Distant, 1917  synonym
Oliarus cinnamoneus Provancher, 1889  previous combinationOpiconsiva derelicta Distant, 1917  synonym
Oliarus cleon Synave, 1960  synonymOpiconsiva derelicta Distant, 1917  synonym
Oliarus clipealis Jacobi, 1928  previous combinationOpiconsiva dilpa (Kirkaldy, 1907)  valid
Oliarus cochleatus Löcker, 2006  validOpiconsiva dodona (Fennah, 1965)  valid
Oliarus coconinus Ball, 1934  previous combinationOpiconsiva flaviceps Muir, 1929  previous combination
Oliarus cocosivora Muir, 1929  previous rankOpiconsiva fuscovaria Distant, 1917  valid
Oliarus complectus Ball, 1902  previous combinationOpiconsiva gayasana Kwon, 1982  synonym
Oliarus concinnulus Fowler, 1904  previous combinationOpiconsiva gloriosa Distant, 1917  synonym
Oliarus concolor Fieber, 1876  previous combinationOpiconsiva gloriosa Distant, 1917  synonym
Oliarus consimilis Giffard, 1925  validOpiconsiva insularis Distant, 1917  previous rank
Oliarus convergens Melichar, 1902  validOpiconsiva insularis Distant, 1917  synonym
Oliarus cornutus Van Stalle, 1987  previous combinationOpiconsiva koreacola Kwon, 1982  synonym
Oliarus corvinus Ball, 1934  previous combinationOpiconsiva modesta Distant, 1917  synonym
Oliarus courtoisi Williams, 1975  validOpiconsiva nigra (Ding & Tian, 1980)  synonym
Oliarus cuberlii Löcker, 2006  validOpiconsiva paludum (Kirkaldy, 1910)  valid
Oliarus cucullatus Noualhier, 1896  previous combinationOpiconsiva sameshimai (Matsumura & Ishihara, 1945)  previous identification
Oliarus curvatus Logvinenko, 1974  previous combinationOpiconsiva sirokata (Matsumura & Ishihara, 1945)  previous combination
Oliarus cuspidatus Fieber, 1876  previous combinationOpiconsiva tangira (Matsumura, 1910)  valid
Oliarus cuspidistylus Dlabola, 1961  previous combinationOpsiplanon luellus (Metcalf, 1923)  valid
Oliarus dagestanicus Kusnezov, 1937  previous combinationOpsiplanon nemorosus Fennah, 1945  valid
Oliarus damasi Synave, 1953  validOpsiplanon ornatifrons Fennah, 1945  valid
Oliarus decempunctatus Van Stalle, 1984  validOrbita parallelodroma Meng & Wang, 2016  valid
Oliarus decumbens Jacobi, 1941  previous combinationOrcaenas ivoiri Asche, 1988  valid
Oliarus diabolculus Anufriev, 1970  synonymOrcaenas juterna Fennah, 1969  valid
Oliarus difficilis Van Duzee, 1912  previous combinationOrchesma (Afrosmara) aurantiaca (Linnavuori, 1973)  valid
Oliarus digitatus Van Stalle, 1987  previous combinationOrchesma (Afrosmara) incompta (Muir, 1926)  valid
Oliarus dimakoensis Van Stalle, 1987  previous combinationOrchesma (Afrosmara) montana (Linnavuori, 1973)  valid
Oliarus dimidiatus Berg, 1879  previous combinationOrchesma (Afrosmara) nesis (Fennah, 1958)  valid
Oliarus dindefelloi Van Stalle, 1987  validOrchesma marginepunctata Melichar, 1903  previous combination
Oliarus dingkana Distant, 1907  previous combinationOrchesma serendiba Melichar, 1903  previous combination
Oliarus discrepans Giffard, 1925  validOrchesma signata Distant, 1912  previous combination
Oliarus dispar Muir, 1924  validOrchesma speciosa Bierman, 1908  previous combination
Oliarus dissimilis Synave, 1960  previous combinationOrchesma viridula Bierman, 1908  previous combination
Oliarus distanti (Distant, 1911)  validOrdalonema faciepilosa Dlabola, 1980  valid
Oliarus dividens (Walker, 1858)  previous combinationOrdralfabetix sirophatanis† Szwedo, 2011  valid
Oliarus djurumi Van Stalle, 1987  validOreopenes luteifacies Ramos, 1957  valid
Oliarus doddi Muir, 1931  validOrgamara acuta Ball, 1909  valid
Oliarus dondonius Ball, 1934  previous combinationOrgamara albida Ball, 1909  previous combination
Oliarus doris Linnavuori, 1973  previous combinationOrgamara argentia Ball, 1937  valid
Oliarus draconarius Fennah, 1958  previous combinationOrgamara bipunctata Ball, 1909  previous combination
Oliarus dumonti Muir, 1921  validOrgamara obesa Ball, 1909  previous combination
Oliarus eboricola Van Stalle, 1984  previous combinationOrgamara obscura Ball, 1909  previous combination
Oliarus ecarinatus Kusnezov, 1937  validOrgamara reducta Ball, 1909  valid
Oliarus ecarinatus Mitjaev, 1971  previous combinationOrgamarella lata Emeljanov, 1969  valid
Oliarus ecologus Caldwell, 1947  previous combinationOrgamarella oblonga Emeljanov, 1969  synonym
Oliarus elevatus Tsaur, Hsu & Van Stalle, 1988  previous combinationOrgerius acocephalus Fieber, 1872  wrong spelling
Oliarus elongata Matsumura, 1910  validOrgerius acucephala Fieber, 1866  previous combination
Oliarus elvina Fennah, 1969  validOrgerius albofasciatus Puton, 1988  previous combination
Oliarus erinna Fennah, 1958  synonymOrgerius alluaudi de Bergevin, 1922  previous combination
Oliarus eryx Fennah, 1958  previous combinationOrgerius bicornis Doering & Darby, 1943  previous combination
Oliarus euphorbiae Giffard, 1925  validOrgerius bilobatus Doering & Darby, 1943  previous combination
Oliarus euphranor Fennah, 1958  previous combinationOrgerius bolivari Horváth, 1913  previous combination
Oliarus eurynome Fennah, 1958  previous combinationOrgerius bucculentus Doering & Darby, 1943  previous name
Oliarus euziensis Van Stalle, 1987  validOrgerius bucharicus Oshanin, 1912  nomen nudum
Oliarus excelsa Fowler, 1904  validOrgerius chomutovi Oshanin, 1879  previous combination
Oliarus exiguus Muir, 1924  validOrgerius chomutowi Oshanin, 1891  wrong spelling
Oliarus eximus Caldwell, 1947  previous combinationOrgerius compressus Ball, 1909  previous combination
Oliarus exoptatus Van Duzee, 1917  previous combinationOrgerius concordus Ball & Hartzell, 1922  previous name
Oliarus fasciolata Stål, 1855  validOrgerius conspersus Puton, 1888  previous combination
Oliarus felis Kirkaldy, 1906  previous combinationOrgerius dimorphus Oshanin, 1879  previous combination
Oliarus fici Van Stalle, 1987  previous combinationOrgerius discrepans Fieber, 1866  previous combination
Oliarus fida Van Duzee, 1914  validOrgerius disgregus Doering & Darby, 1943  previous name
Oliarus fidus Van Duzee, 1914  previous combinationOrgerius dumonti de Bergevin, 1928  previous combination
Oliarus figuratus Dlabola, 1961  previous combinationOrgerius ellipticus (Oshanin, 1871)  previous combination
Oliarus filicicola Kirkaldy, 1909  validOrgerius erectus Ball, 1909  previous combination
Oliarus flavescens Van Stalle, 1984  validOrgerius fedtschenkoi Oshanin, 1879  previous combination
Oliarus flaviceps (Matsumura, 1900)  previous combinationOrgerius ferganensis Oshanin, 1912  nomen nudum
Oliarus flavifrons Van Stalle, 1984  previous combinationOrgerius ferganensis Oshanin, 1913  previous combination
Oliarus flavinervis Van Stalle & Synave, 1984  synonymOrgerius foliatus Doering & Darby, 1943  previous combination
Oliarus flavipes Muir, 1924  synonymOrgerius fuscus Oshanin, 1879  previous combination
Oliarus florifontis Van Stalle, 1987  validOrgerius gemmatus Horváth, 1929  previous combination
Oliarus fluvida Matsumura, 1910  validOrgerius grigorievi Oshanin, 1912  nomen nudum
Oliarus forcipatus Caldwell, 1947  previous combinationOrgerius heptapotamicus (Oshanin, 1913)  previous combination
Oliarus formicarius Mitjaev, 1967  previous combinationOrgerius immundus Horváth, 1913  previous combination
Oliarus formosanus Matsumura, 1914  previous combinationOrgerius jacobsoni Oshanin, 1913  previous combination
Oliarus formosus Synave, 1960  validOrgerius jacobsoni Oshanin, 1912  nomen nudum
Oliarus franciscanus (Stål, 1859)  previous combinationOrgerius junceus Doering & Darby, 1943  previous name
Oliarus frenatus Jacobi, 1910  previous combinationOrgerius kiritschenkoi Oshanin, 1912  nomen nudum
Oliarus frontalis Melichar, 1904  previous combinationOrgerius kiritschenkoi Oshanin, 1913  previous combination
Oliarus frontalis basalis Melichar, 1905  validOrgerius korolkovi Oshanin, 1879  previous combination
Oliarus fuligo Linnavuori, 1973  validOrgerius leptopus (Fieber, 1866)  previous combination
Oliarus fulvus (Walker, 1858)  validOrgerius longiceps Oshanin, 1879  previous combination
Oliarus fumatipennis Dlabola, 1949  synonymOrgerius medius Oshanin, 1879  previous combination
Oliarus funebris (Walker, 1858)  synonymOrgerius megacephalus Oshanin, 1879  previous combination
Oliarus furcatus Signoret, 1884  validOrgerius minor Ball, 1909  previous combination
Oliarus fusciceps Metcalf, 1936  synonymOrgerius montandoni Horváth, 1911  previous combination
Oliarus fuscimarginatus Van Stalle, 1984  synonymOrgerius (Opsigonus) bicornis Doering & Darby, 1943  valid
Oliarus fuscipennis Muir, 1924  validOrgerius (Opsigonus) foliatus Doering & Darby, 1943  valid
Oliarus fuscipennis (Stål, 1855)  validOrgerius (Opsigonus) minor Ball, 1909  valid
Oliarus fuscipes Van Stalle, 1987  previous combinationOrgerius (Opsigonus) ventosus Ball & Hartzell, 1922  valid
Oliarus fuscisignatus Van Stalle, 1984  validOrgerius (Orgerius) bilobatus Doering & Darby, 1943  valid
Oliarus fuscoapicatus Metcalf, 1954  previous combinationOrgerius (Orgerius) bucculentus Doering & Darby, 1943  valid
Oliarus fuscofasciatus Melichar, 1902  previous combinationOrgerius (Orgerius) concordus Ball & Hartzell, 1922  valid
Oliarus fusconebulosus (Distant, 1906)  previous combinationOrgerius (Orgerius) disgregus Doering & Darby, 1943  valid
Oliarus fusculus Van Stalle, 1984  previous combinationOrgerius (Orgerius) glaucus Emeljanov, 2006  valid
Oliarus gabonicus Synave, 1979  synonymOrgerius (Orgerius) junceus Doering & Darby, 1943  valid
Oliarus gagnei Hoch & Howarth, 1999  valid CavernicolousOrgerius (Orgerius) pajaronius Ball & Hartzell, 1922  valid
Oliarus galapagensis Van Duzee, 1933  previous combinationOrgerius (Orgerius) proprius Doering & Darby, 1943  valid
Oliarus garambaensis Synave, 1960  validOrgerius (Orgerius) rhyparus Stål, 1859  valid
Oliarus gaubi Van Stalle, 1987  previous combinationOrgerius (Orgerius) spicatus Doering & Darby, 1943  valid
Oliarus gemellar Fennah, 1958  previous combinationOrgerius (Orgerius) triquetrus Doering & Darby, 1943  valid
Oliarus geniculatus Stål, 1870  validOrgerius ototettigoides Oshanin, 1913  previous combination
Oliarus gezira Linnavuori, 1973  previous combinationOrgerius pajaronius Ball & Hartzell, 1922  previous name
Oliarus ghanensis Van Stalle, 1987  previous combinationOrgerius (Parorgerius) albocinctus Melichar, 1912  previous combination
Oliarus giffardi (Giffard, 1925)  validOrgerius (Parorgerius) minor (Ball, 1909)  previous combination
Oliarus gilgitensis Shakila, 1984  validOrgerius perezii Bolivar & Chicote, 1879  previous combination
Oliarus gladensis Caldwell, 1951  validOrgerius platypus Fieber, 1866  previous combination
Oliarus globosus Löcker, 2006  validOrgerius productus Fieber, 1872  nomen nudum
Oliarus goae Muir, 1922  previous combinationOrgerius productus Fieber, 1876  previous combination
Oliarus goae Muir, 1922  validOrgerius proprius Doering & Darby, 1943  previous combination
Oliarus gracilis Löcker, 2006  validOrgerius punctiger Horváth, 1905  previous combination
Oliarus granulata Muir, 1924  validOrgerius reticulatus Oshanin, 1913  previous combination
Oliarus greeni Distant, 1911  previous combinationOrgerius reticulatus Oshanin, 1891  nomen nudum
Oliarus grossa Lallemand, 1925  synonymOrgerius reuteri Oshanin, 1879  previous combination
Oliarus grossipennis Van Stalle, 1987  previous combinationOrgerius rhyparus Stål, 1859  previous name
Oliarus guibensis Van Stalle, 1987  validOrgerius rupicola de Bergevin, 1919  previous combination
Oliarus guineensis Van Stalle, 1987  previous combinationOrgerius saboureti de Bergevin, 1915  previous combination
Oliarus gyaurus Dlabola, 1957  previous combinationOrgerius scytha Oshanin, 1913  previous combination
Oliarus habeckorum Mead & Kramer, 1982  previous combinationOrgerius scytha Oshanin, 1912  nomen nudum
Oliarus hachijonis Matsumura, 1914  validOrgerius septentrionalis Oshanin, 1912  nomen nudum
Oliarus hackeri Muir, 1931  synonymOrgerius septentrionalis Oshanin, 1913  previous combination
Oliarus haleakalae Kirkaldy, 1909  validOrgerius similis Oshanin, 1879  previous combination
Oliarus halehaku Giffard, 1925  validOrgerius skobelevi Oshanin, 1879  previous combination
Oliarus halemanu Giffard, 1925  validOrgerius spicatus Doering & Darby, 1943  previous name
Oliarus haloxyli Mitjaev, 1971  previous combinationOrgerius stali Oshanin, 1879  previous combination
Oliarus hamatus Löcker, 2006  validOrgerius tianshanskyi Oshanin, 1912  nomen nudum
Oliarus harimaensis Matsumura, 1914  validOrgerius triquetrus Doering & Darby, 1943  previous name
Oliarus hastaferens Van Stalle, 1987  previous combinationOrgerius ventosus Ball & Hartzell, 1922  previous combination
Oliarus haupti Haupt, 1917  previous combinationOrientoya orientalis Chen & Ding, 2001  valid
Oliarus hernandezi Hoch & Izquierdo, 1996  valid CavernicolousOrigerius rhyparus Woodworth, 1903  wrong spelling
Oliarus hesperia Van Duzee, 1917  validOrinda bimaculifrons Jacobi, 1928  previous combination
Oliarus hevaheva Kirkaldy, 1902  validOrinda lucindae (Kirkaldy, 1906)  valid
Oliarus hipponax Fennah, 1958  validOrinda (Montorinda) eungellana Constant & Semeraro, 2023  valid
Oliarus hirsutus Löcker, 2006  validOrinda (Montorinda) montana Constant & Semeraro, 2023  valid
Oliarus hirtus Melichar, 1904  previous combinationOrinda scapularis (Jacobi, 1928)  valid
Oliarus hispanica Matsumura, 1910  validOrmenana fusca Metcalf & Bruner, 1948  valid
Oliarus hodgarti Distant, 1911  previous combinationOrmenana linki (Heidemann & Osborn, 1917)  valid
Oliarus hopponis Matsumura, 1914  previous combinationOrmenana nana Metcalf & Bruner, 1948  valid
Oliarus horishanus Matsumura, 1914  previous combinationOrmenana punctata Metcalf & Bruner, 1948  valid
Oliarus horridus Linnavuori, 1962  previous combinationOrmenaria barberi (Van Duzee, 1912)  valid
Oliarus hottentottus (Stål, 1855)  previous combinationOrmenaria rufifascia (Walker, 1851)  valid
Oliarus hsui Tsaur, 1990  previous combinationOrmenina coffeacola (Dozier, 1931)  valid
Oliarus humeralis Fowler, 1904  validOrmenina herbida (Walker, 1851)  valid
Oliarus humilis (Say, 1830)  previous combinationOrmenina paupera (Walker, 1858)  valid
Oliarus hyalina Fieber, 1876  validOrmenis abdominalis (Kirby, 1891)  previous combination
Oliarus hyalinipennis Muir, 1924  validOrmenis albata Melichar, 1902  previous combination
Oliarus hyperides Fennah, 1961  synonymOrmenis albescens Fowler, 1900  previous combination
Oliarus iasis Linnavuori, 1973  synonymOrmenis albicosta Melichar, 1902  previous combination
Oliarus iguchii Matsumura, 1914  previous combinationOrmenis albicostalis Fennah, 1941  previous combination
Oliarus immaculata Giffard, 1925  validOrmenis albigyna Campos, 1932  valid
Oliarus impeditus Muir, 1924  validOrmenis albina Melichar, 1902  previous combination
Oliarus inaequalis Giffard, 1925  validOrmenis albipennis Van Duzee, 1907  previous combination
Oliarus inaequalis koebelei Giffard, 1925  validOrmenis albula Stål, 1862  previous combination
Oliarus inaequalis kohala Giffard, 1925  validOrmenis antillarum Kirkaldy, 1909  previous combination
Oliarus inaequalis konana Giffard, 1925  validOrmenis antoniae Melichar, 1902  valid
Oliarus incerta Distant, 1907  previous combinationOrmenis antoniae colorata Jacobi, 1915  synonym
Oliarus incisus Bierman, 1908  previous combinationOrmenis antoniae ricanoides (Melichar, 1902)  valid
Oliarus incompletus Van Stalle, 1983  previous combinationOrmenis apicalis Melichar, 1902  previous combination
Oliarus inconstans Giffard, 1925  validOrmenis baramia Distant, 1910  previous combination
Oliarus indicus Distant, 1911  validOrmenis barbadensis Fennah, 1941  previous combination
Oliarus indiensis Van Stalle, 1991  previous combinationOrmenis barberi Van Duzee, 1912  previous combination
Oliarus inermis Van Stalle, 1991  previous combinationOrmenis biskrensis Lethierry, 1889  valid
Oliarus inficitus (Walker, 1870)  validOrmenis brasiliensis Spinola, 1839  previous combination
Oliarus insetosus Jacobi, 1944  previous combinationOrmenis cestri Berg, 1879  previous combination
Oliarus insignior Fowler, 1904  validOrmenis chloris Melichar, 1902  previous combination
Oliarus instabilis Giffard, 1925  validOrmenis coerulescens Melichar, 1902  previous combination
Oliarus instabilis bryani Giffard, 1925  validOrmenis coffeacola Dozier, 1931  previous combination
Oliarus instabilis craw Giffard, 1925  validOrmenis conflicta Melichar, 1902  previous combination
Oliarus instabilis erhorni Giffard, 1925  validOrmenis conformata Melichar, 1902  previous combination
Oliarus instabilis osborni Giffard, 1925  validOrmenis conformis (Melichar, 1902)  previous combination
Oliarus instabilis terryi Giffard, 1925  validOrmenis confusa Melichar, 1902  previous combination
Oliarus instabilis williawsi Giffard, 1925  validOrmenis contaminata Uhler, 1895  previous combination
Oliarus interjectus Linnavuori, 1957  previous combinationOrmenis corrupta (Fowler, 1900)  valid
Oliarus intermedia Giffard, 1925  validOrmenis cubensis Metcalf & Bruner, 1948  valid
Oliarus interruptus Haupt, 1917  validOrmenis debilis Melichar, 1902  previous combination
Oliarus intertectus (Walker, 1870)  validOrmenis deducta Melichar, 1902  previous combination
Oliarus isolatus Caldwell, 1947  validOrmenis deducta alba Melichar, 1902  previous combination
Oliarus jaxarta Fennah, 1969  previous combinationOrmenis despecta Melichar, 1902  valid
Oliarus jubanus Van Stalle, 1987  validOrmenis devincta† Cockerell, 1926  previous combination
Oliarus jugurtha Fennah, 1958  previous combinationOrmenis devincta† Cockerell, 1926  valid
Oliarus kabulus Dlabola, 1957  previous combinationOrmenis discus Stål, 1862  previous combination
Oliarus kagoshimensis Matsumura, 1914  validOrmenis distincta Melichar, 1902  previous combination
Oliarus kahavalu Kirkaldy, 1909  validOrmenis dolabrata Fowler, 1900  previous combination
Oliarus kaiulani Giffard, 1925  validOrmenis epilepsis Melichar, 1902  previous combination
Oliarus kalalensis Synave, 1965  validOrmenis erminia Fowler, 1900  previous combination
Oliarus kalaupapae Hoch & Howarth, 1999  valid CavernicolousOrmenis exanthema Melichar, 1902  previous combination
Oliarus kampaspe Kirkaldy, 1906  previous identificationOrmenis fatua Melichar, 1903  previous combination
Oliarus kampaspe Kirkaldy, 1906  validOrmenis fortunata Fennah, 1941  previous combination
Oliarus kampaspe Kirkaldy, 1906  misidentificationOrmenis fuliginosa Fennah, 1941  previous combination
Oliarus kanakanus Kirkaldy, 1902  validOrmenis fumata Schmidt, 1904  previous combination
Oliarus kanakanus punaensis Giffard, 1925  validOrmenis funerula Melichar, 1902  previous combination
Oliarus kankundensis Synave, 1953  previous combinationOrmenis furcata† Henriksen, 1922  previous combination
Oliarus kaohinani Kirkaldy, 1909  validOrmenis fusca Melichar, 1902  previous combination
Oliarus kaohinani var perkinsi Giffard, 1925  validOrmenis fuscala Melichar, 1902  synonym
Oliarus kaonohi Kirkaldy, 1909  validOrmenis fuscata Melichar, 1902  synonym
Oliarus kasachstanicus Emeljanov, 1964  synonymOrmenis fuscomarginata Melichar, 1902  previous combination
Oliarus kaszabianus Dlabola, 1970  previous combinationOrmenis fuscula Melichar, 1902  synonym
Oliarus kauaiensis Kirkaldy, 1909  validOrmenis fuscula Melichar, 1902  previous combination
Oliarus kaumuahona Giffard, 1925  validOrmenis glaucescens Stål, 1862  previous combination
Oliarus kempeneeri Lallemand & Synave, 1952  validOrmenis granulata Melichar, 1902  previous combination
Oliarus kempi Muir, 1922  validOrmenis grenadensis Fennah, 1941  previous combination
Oliarus kempi Muir, 1922  previous combinationOrmenis griseoalba Fowler, 1900  previous combination
Oliarus kenyensis Van Stalle, 1987  validOrmenis herbida (Walker, 1851)  previous combination
Oliarus kibuyanus Fennah, 1955  previous combinationOrmenis immunis Melichar, 1902  previous combination
Oliarus kieferi Mead & Kramer, 1982  previous combinationOrmenis impunctata Schmidt, 1906  synonym
Oliarus kierpurensis Muir, 1922  synonymOrmenis incerta (Walker, 1851)  valid
Oliarus kindli Bourgoin, Wilson & Couturier, 1998  previous combinationOrmenis inferior Fowler, 1900  previous combination
Oliarus kirkaldyi Giffard, 1925  validOrmenis infuscata Stål, 1864  previous combination
Oliarus knullorum Mead & Kramer, 1982  previous combinationOrmenis insulicola Kirkaldy, 1909  synonym
Oliarus koae Giffard, 1925  validOrmenis intricata (Walker, 1858)  valid
Oliarus koanoa Kirkaldy, 1902  validOrmenis jamaicensis Fennah, 1942  synonym
Oliarus koele Giffard, 1925  validOrmenis lactifera Melichar, 1902  previous combination
Oliarus kulana Giffard, 1925  validOrmenis laevis Melichar, 1902  previous combination
Oliarus kulickae† Szwedo, 2000  validOrmenis latistriga Melichar, 1902  previous combination
Oliarus kurseongensis Distant, 1911  previous combinationOrmenis leucophaea Stål, 1864  previous combination
Oliarus kusnezovi Soos, 1954  synonymOrmenis linki Heidemann & Osborn, 1917  previous combination
Oliarus lacon Linnavuori, 1973  previous combinationOrmenis maculata Schmidt, 1904  previous combination
Oliarus lacotei Dlabola, 1970  previous combinationOrmenis madagascariensis Stål, 1866  previous combination
Oliarus lacteipennis Kusnezov, 1937  nomen praeoccupatumOrmenis marginata Melichar, 1902  previous combination
Oliarus lacteipennis Fowler, 1904  validOrmenis media Melichar, 1902  previous combination
Oliarus lactescens Hesse, 1925  previous combinationOrmenis mendax Melichar, 1902  previous combination
Oliarus ladas Fennah, 1958  synonymOrmenis mesochlorus Stål, 1862  previous combination
Oliarus laelaps Fennah, 1958  validOrmenis monticola Melichar, 1902  previous combination
Oliarus laertes Kirkaldy, 1906  previous combinationOrmenis nigra Lethierry, 1881  previous combination
Oliarus lamottei Synave, 1963  previous combinationOrmenis nigrolimbata Fowler, 1900  previous combination
Oliarus lanaiensis Giffard, 1925  validOrmenis nigromarginata Melichar, 1902  previous combination
Oliarus laratensis Muir, 1924  previous combinationOrmenis nigropunctula Melichar, 1908  valid
Oliarus lata Melichar, 1905  previous combinationOrmenis nigrospersa Fennah, 1941  previous combination
Oliarus laticeps Melichar, 1899  validOrmenis nivea Lethierry, 1881  previous combination
Oliarus latifrons (Walker, 1851)  validOrmenis nivifera Spinola, 1839  previous combination
Oliarus latipennis Jacobi, 1928  synonymOrmenis obtusa Melichar, 1902  previous combination
Oliarus lawitensis Van Stalle, 1991  previous combinationOrmenis ornata Melichar, 1902  previous combination
Oliarus lawlerorum Löcker, 2006  validOrmenis palicoureae Fennah, 1941  previous combination
Oliarus leporinus (Linné, 1761)  previous combinationOrmenis pallescens Stål, 1864  previous combination
Oliarus liberatus Synave, 1960  previous combinationOrmenis pallida Melichar, 1902  synonym
Oliarus liberianus Van Stalle, 1987  validOrmenis pallidicosta Melichar, 1902  previous combination
Oliarus lihue Giffard, 1925  validOrmenis panamensis Schmidt, 1904  previous combination
Oliarus likelike Giffard, 1925  validOrmenis parvula Melichar, 1902  previous combination
Oliarus lilinoe Kirkaldy, 1907  validOrmenis paupera Melichar, 1923  previous combination
Oliarus limbatus Fieber, 1876  previous combinationOrmenis pauperata Melichar, 1902  previous combination
Oliarus limbifer Hesse, 1925  previous combinationOrmenis pehlkei Schmidt, 1904  previous combination
Oliarus limiticola Van Stalle, 1987  validOrmenis perfecta (Walker, 1851)  valid
Oliarus lindbergi Dlabola, 1957  previous combinationOrmenis perpusilla Distant, 1910  previous combination
Oliarus linnavuorii Van Stalle, 1987  validOrmenis planata (Fabricius, 1803)  valid
Oliarus littoralis Ball, 1934  previous combinationOrmenis plebeia Kirkaldy, 1913  valid
Oliarus lobatus Caldwell, 1938  previous combinationOrmenis plumbea Fennah, 1941  previous combination
Oliarus longicauda Muir, 1924  validOrmenis prasina Schmidt, 1904  previous combination
Oliarus longipennis Melichar, 1911  validOrmenis primaria (Walker, 1858)  valid
Oliarus longivertex Kusnezov, 1937  previous combinationOrmenis proxima (Melichar, 1902)  previous combination
Oliarus longulus Muir, 1924  validOrmenis proxima (Walker, 1851)  previous combination
Oliarus lootensi Synave, 1956  previous combinationOrmenis pseudomarginata Muir, 1924  previous combination
Oliarus lorettae Hoch & Howarth, 1999  valid CavernicolousOrmenis pulverulenta (Guérin-Méneville, 1844)  previous combination
Oliarus lubra Distant, 1907  nomen praeoccupatumOrmenis pulverulenta (Guérin-Méneville, 1844)  combinatio revivisco
Oliarus lubra Kirkaldy, 1906  previous combinationOrmenis pulverulenta (Guérin-Méneville, 1844)  previous combination
Oliarus lucidipes Muir, 1924  previous combinationOrmenis pygmaea Melichar, 1902  previous combination
Oliarus lucidus Metcalf, 1936  synonymOrmenis quadrata Melichar, 1902  synonym
Oliarus lugubris Fieber, 1876  validOrmenis quadripunctata Stål, 1869  previous combination
Oliarus lukawensi Synave, 1953  previous combinationOrmenis quanta Ball, 1933  valid
Oliarus lukjanovitshi Kusnezov, 1937  previous combinationOrmenis regularis Melichar, 1902  previous combination
Oliarus lunata (Fabricius, 1803)  validOrmenis relicta Stål, 1869  previous combination
Oliarus lupialensis Synave, 1953  previous combinationOrmenis retusa Stål, 1869  previous combination
Oliarus lutescens Fieber, 1876  validOrmenis robusta Uhler, 1901  previous combination
Oliarus macarangae Van Stalle, 1984  previous combinationOrmenis roscida (Germar, 1821)  previous combination
Oliarus maculifrons (Walker, 1851)  validOrmenis rufa Fennah, 1941  synonym
Oliarus maculipennis Muir, 1924  previous combinationOrmenis rufifascia Stål, 1862  previous combination
Oliarus maculosus Hesse, 1925  previous combinationOrmenis rufomarginata Stål, 1862  synonym
Oliarus madrasensis Van Stalle, 1991  previous combinationOrmenis sanctaliciensis Fennah, 1941  previous combination
Oliarus maidis Fennah, 1945  previous combinationOrmenis saucia Van Duzee, 1912  previous combination
Oliarus major (Kirschbaum, 1868)  previous combinationOrmenis separata Melichar, 1902  previous combination
Oliarus major rodidus Fieber, 1876  previous combinationOrmenis septempunctata Fennah, 1941  previous combination
Oliarus majungensis Synave, 1979  validOrmenis septentrionalis (Spinola, 1839)  previous combination
Oliarus makaala Giffard, 1925  validOrmenis septentrionalis (Spinola, 1839)  valid
Oliarus makaiki Hoch & Howarth, 1999  valid CavernicolousOrmenis severa Melichar, 1902  synonym
Oliarus malayensis Van Stalle, 1991  previous combinationOrmenis silvestris Fennah, 1941  previous combination
Oliarus mameti Synave, 1961  validOrmenis similis Melichar, 1902  previous combination
Oliarus manbhumensis Van Stalle, 1991  validOrmenis squamulosa Fowler, 1900  previous combination
Oliarus marginalis Walker, 1858  synonymOrmenis striolata Melichar, 1902  previous combination
Oliarus marlieri Synave, 1962  validOrmenis striolata suturalis Melichar, 1902  previous combination
Oliarus mashonanus Van Stalle, 1987  previous combinationOrmenis stupida Melichar, 1902  previous combination
Oliarus masinissa Fennah, 1958  validOrmenis subclavata Jacobi, 1917  previous combination
Oliarus massaica Jacobi, 1910  validOrmenis suturalis Melichar, 1905  nomen praeoccupatum
Oliarus mauiensis Giffard, 1925  validOrmenis tabescens (Stål, 1862)  valid
Oliarus mauritiensis Williams, 1975  validOrmenis tessellata Van Duzee, 1907  synonym
Oliarus medanicus Linnavuori, 1973  validOrmenis testacea (Walker, 1851)  valid
Oliarus mediafricanus Van Stalle, 1987  validOrmenis testacea perfecta Melichar, 1902  synonym
Oliarus meigangae Van Stalle, 1987  previous combinationOrmenis testacea ricanoides Melichar, 1902  synonym
Oliarus melanochaetus Fieber, 1876  previous combinationOrmenis tortricina Fowler, 1900  previous combination
Oliarus (Melanoliarus) campestris Fennah, 1945  synonymOrmenis tumida Melichar, 1902  previous combination
Oliarus (Melanoliarus) maidis Fennah, 1945  previous combinationOrmenis umbrosa Melichar, 1902  synonym
Oliarus melichari Distant, 1907  synonymOrmenis unimaculata Fennah, 1941  previous combination
Oliarus mendax Synave, 1960  validOrmenis unispinosa Schmidt, 1906  previous combination
Oliarus meridianus Van Stalle, 1984  previous combinationOrmenis varicosa (Walker, 1858)  valid
Oliarus microstylus Van Stalle, 1991  previous combinationOrmenis venusta Melichar, 1902  previous combination
Oliarus minuscula Melichar, 1913  validOrmenis viridana Melichar, 1902  previous combination
Oliarus minuta Matsumura, 1910  validOrmenis viridifusca Melichar, 1902  previous combination
Oliarus minutior Dlabola, 1949  synonymOrmenis yumana Ball, 1933  synonym
Oliarus minvarias Linnavuori, 1973  validOrmenoflata albata Melichar, 1923  previous combination
Oliarus minyarias Linnavuori, 1973  validOrmenoflata debilis (Melichar, 1902)  previous combination
Oliarus mlanjensis Van Stalle, 1987  validOrmenoflata nigra Melichar, 1923  previous combination
Oliarus modesta Haupt, 1927  validOrmenoflata pulverulenta (Guérin-Méneville, 1844)  combinatio revivisco
Oliarus modestus Haupt, 1927  synonymOrmenoflata retusa Melichar, 1923  previous combination
Oliarus modicus (Walker, 1857)  previous combinationOrmenoflata roscida Schaum, 1850  previous combination
Oliarus moestus (Stål, 1855)  previous combinationOrmenoides distincta (Melichar, 1902)  valid
Oliarus mogoponipae Van Stalle, 1991  previous combinationOrmenoides laevis (Melichar, 1902)  valid
Oliarus montanus Metcalf, 1923  previous combinationOrmenoides pauperata (Melichar, 1902)  synonym
Oliarus monticola Kirkaldy, 1909  validOrmenoides pehlkei (Schmidt, 1904)  valid
Oliarus morai Kirkaldy, 1902  validOrmenoides subflava Metcalf & Bruner, 1948  valid
Oliarus mori Matsumura, 1914  previous combinationOrmenoides venusta (Melichar, 1902)  valid
Oliarus morobensis Van Stalle, 1989  previous combinationOrmensis parvula Melichar, 1902  previous combination
Oliarus muiri Giffard, 1925  validOrmensis subclavata Jacobi, 1917  previous combination
Oliarus muiri Van Stalle, 1991  nomen praeoccupatumOrnithissus cockerelli Fowler, 1904  previous combination
Oliarus muiri Van Stalle, 1991  homonymOrodictya monticola Kirkaldy, 1913  previous combination
Oliarus muluensis Van Stalle, 1991  previous combinationOronoqua deina Fennah, 1947  valid
Oliarus musca Breddin, 1905  previous combinationOronoqua feria Gnezdilov & Bartlett, 2020  valid
Oliarus myoporicola Giffard, 1925  validOronoqua ibisca Gnezdilov, Bonfils, Aberlenc & Basset, 2010  valid
Oliarus nairobienis Van Stalle, 1987  validOronoqua orellana Gnezdilov & Bartlett, 2020  valid
Oliarus namibianus Van Stalle, 1987  previous combinationOropuna fusca (Metcalf, 1938)  valid
Oliarus nanatus Caldwell, 1951  validOropuna fusca (Metcalf, 1938)  previous combination
Oliarus nanus Caldwell, 1947  nomen praeoccupatumOropuna halo Bahder, Zumbado Echavarria, Barrantes Barrantes, Helmick & Bartlett, 2021  valid
Oliarus nanus Ivanoff, 1885  previous combinationOropuna minutiana (Caldwell, 1944)  valid
Oliarus nanus Caldwell, 1947  homonymOropuna orba (Stål, 1862)  valid
Oliarus nanus Caldwell, 1947  homonymOrosanga dido Fennah, 1971  valid
Oliarus nanyukii Van Stalle, 1987  validOrosanga japonica (Melichar, 1898)  valid
Oliarus natalensis (Stål, 1855)  previous combinationOrosanga laverna Fennah, 1971  valid
Oliarus ndelensis Linnavuori, 1973  synonymOrosanga triton Fennah, 1971  valid
Oliarus ndelensis Synave, 1960  previous combinationOrosanga xantho Fennah, 1971  valid
Oliarus nemea Fennah, 1958  validOrphninus mouldsi Emeljanov, 2000  valid
Oliarus nemoricola Kirkaldy, 1909  validOrthopagus bartletti Song, Malenovsky & Deckert, 2018  valid
Oliarus neomorai Giffard, 1925  validOrthopagus elegans Melichar, 1912  synonym
Oliarus neomorai oahuana Giffard, 1925  validOrthopagus exoletus (Melichar, 1903)  valid
Oliarus neotarai Giffard, 1925  validOrthopagus fletcheri (Kirkaldy, 1908)  synonym
Oliarus (Nesopompe) felis Kirkaldy, 1906  previous combinationOrthopagus hainanensis Song, Chen & Liang, 2018  valid
Oliarus niger Giffard, 1925  synonymOrthopagus helios Melichar, 1912  synonym
Oliarus nigeriensis Van Stalle, 1984  previous combinationOrthopagus lunulifer Uhler, 1896  valid
Oliarus nigriceps Synave, 1960  previous combinationOrthopagus philippinus Melichar, 1914  valid
Oliarus nigripennis Synave, 1960  previous combinationOrthopagus splendens (Germar, 1830)  previous combination
Oliarus nigro-alutacea Fowler, 1904  validOrthopagus splendens (Germar, 1830)  valid
Oliarus nigrofurcata fumata Melichar, 1902  validOrthophana (Eupharos) tamdaoina Gnezdilov & Constant, 2014  valid
Oliarus nigrofurcatus Signoret, 1884  validOrthophana (Orthophana) bidoupensis Constant & Pham, 2014  valid
Oliarus nigronervatus Fennah, 1956  previous combinationOrthophana (Orthophana) maichiae Constant & Pham, 2016  valid
Oliarus nigrosignata Melichar, 1908  validOrthophana (Orthophana) spinata Melichar, 1923  valid
Oliarus nigrovenosus Kusnezov, 1937  previous combinationOrthophana spinata Melichar, 1923  previous combination
Oliarus nilgiriensis Van Stalle, 1991  previous combinationOrthothyreus apicalis (Schmidt, 1905)  valid
Oliarus nitens Van Stalle, 1984  validOrtracis conserta (Walker, 1857)  valid
Oliarus niuginiensis Van Stalle, 1989  previous combinationOryxa carinulata (Schmidt, 1904)  valid
Oliarus njalensis Van Stalle, 1987  previous combinationOryxa extendens Melichar, 1902  valid
Oliarus nocturnus Van Stalle, 1987  previous combinationOryxa melichari Kirkaldy, 1913  valid
Oliarus nogalanus Ball, 1934  validOryxana lutea (Walker, 1857)  valid
Oliarus nosibeanus Jacobi, 1917  validOryxana rabana (Lallemand & Synave, 1953)  synonym
Oliarus nubigena Kirkaldy, 1909  validOryxana subacuta (Walker, 1870)  valid
Oliarus nuwarae Distant, 1911  validOryxana subrecta Jacobi, 1941  synonym
Oliarus nyanzae Fennah, 1955  synonymOryxana suturalis (Melichar, 1906)  valid
Oliarus obscurus (Signoret, 1865)  previous combinationOryxa truncata Linné, 1763  synonym
Oliarus obsoletus Van Stalle, 1984  previous combinationOsaka hyalina Distant, 1909  valid
Oliarus ocellatus Van Stalle, 1987  previous combinationOsaka relata Distant, 1909  valid
Oliarus ocyrrhoe Fennah, 1969  validOsbornia arborea Ball, 1935  valid
Oliarus ogasawarensis Matsumura, 1914  previous combinationOsbornia cornuta Ball, 1910  valid
Oliarus okinawensis Van Stalle, 1991  previous combinationOsea dimidiata De Motschulsky, 1863  wrong spelling
Oliarus oleae Van Stalle, 1987  previous combinationOsea dimiduata De Motschulsky, 1863  wrong spelling
Oliarus olympa Giffard, 1925  validOssa dimidiata De Motschulsky, 1863  synonym
Oliarus olympa paliensis (Giffard, 1925)  validOssa dimiduata De Motschulsky, 1863  wrong spelling
Oliarus omani Metcalf, 1938  previous combinationOssa formosa Kirkaldy, 1906  previous combination
Oliarus ongumae Van Stalle, 1987  previous combinationOssa venusta Kirkaldy, 1906  previous combination
Oliarus opalinulus Dmitriev, 2020  validOssoides lineatus Bierman, 1910  valid
Oliarus opalinus Fennah, 1945  nomen praeoccupatumOstama juncta Walker, 1857  valid
Oliarus oppositus (Walker, 1851)  previous combinationOstama junctissima Muir, 1926  valid
Oliarus opuna Kirkaldy, 1902  validOteana aimeho Hoch, 2006  valid
Oliarus orbona Fennah, 1969  validOteana aorai Hoch, 2006  valid
Oliarus orithyius Fennah, 1958  validOteana ata Hoch, 2006  valid
Oliarus orono Kirkaldy, 1902  validOteana euphranor (Fennah, 1958)  valid
Oliarus orono molokaiensis Kirkaldy, 1909  validOteana eurynome (Fennah, 1958)  valid
Oliarus orono oahuensis Kirkaldy, 1909  validOteana gemellar (Fennah, 1958)  valid
Oliarus oryzae Matsumura, 1911  previous combinationOteana iaorana Hoch, 2006  valid
Oliarus oryzicola Bourgoin, Wilson & Couturier, 1998  previous combinationOteana incisa (Bierman, 1908)  valid
Oliarus ovatus Metcalf, 1955  previous combinationOteana lubra (Kirkaldy, 1906)  valid
Oliarus pachyceps Matsumura, 1914  previous combinationOteana mato Hoch, 2006  valid
Oliarus pahangensis Van Stalle, 1991  previous combinationOteana moana Hoch, 2006  valid
Oliarus pallens (Germar, 1821)  previous combinationOteana omai Hoch, 2006  valid
Oliarus pallidifrons Muir, 1924  validOteana oryzae (Matsumura, 1911)  valid
Oliarus pallidiola Matsumura, 1910  validOteana pouvana Hoch, 2006  valid
Oliarus paludicola Kirkaldy, 1909  validOteana salicoides Löcker, 2006  valid
Oliarus panzeri Löw, 1883  previous combinationOteana spinosa (Bierman, 1910)  valid
Oliarus papagonus Ball, 1934  previous combinationOteana sponsa (Kirkaldy, 1906)  valid
Oliarus patrizii Lallemand, 1929  validOteana tattendi Löcker, 2006  valid
Oliarus pattersoni Lallemand, 1929  previous combinationOteana temehani Hoch, 2006  valid
Oliarus pele Kirkaldy, 1909  validOteana tiare Hoch, 2006  valid
Oliarus pele alpha (Giffard, 1925)  validOtiocerus abbotii Kirby, 1821  valid
Oliarus pele beta (Giffard, 1925)  validOtiocerus amyotii Fitch, 1856  valid
Oliarus pellucidus Van Stalle, 1984  previous combinationOtiocerus ballii Mc Atee, 1923  previous combination
Oliarus penrissensis Van Stalle, 1991  previous combinationOtiocerus breviceps Fowler, 1900  valid
Oliarus peregrinus Van Stalle, 1984  previous combinationOtiocerus coquebertii Kirby, 1821  valid
Oliarus perminutus Dlabola, 1959  previous combinationOtiocerus degeeri Kirby, 1821  previous combination
Oliarus petasatus Noualhier, 1896  previous combinationOtiocerus flexuosus Uhler, 1896  previous combination
Oliarus phelia Kirkaldy, 1906  validOtiocerus fontis Fennah, 1952  valid
Oliarus pictura Lallemand, 1929  validOtiocerus francilloni Kirby, 1821  valid
Oliarus pidigalensis Synave, 1960  previous combinationOtiocerus gracilior Fowler, 1900  previous combination
Oliarus pima Kirkaldy, 1907  previous combinationOtiocerus grisea Fowler, 1900  previous combination
Oliarus pinicolus Osborn, 1926  validOtiocerus interruptus Fowler, 1900  previous combination
Oliarus placitus Van Duzee, 1912  previous combinationOtiocerus kirbyi Fitch, 1851  valid
Oliarus pleone Linnavuori, 1973  validOtiocerus lyncaeste Fennah, 1952  valid
Oliarus pluvialis Kirkaldy, 1909  validOtiocerus montana Fowler, 1900  previous combination
Oliarus polyphemus Fennah, 1973  valid CavernicolousOtiocerus nubila Mc Atee, 1926  synonym
Oliarus pondolandensis Van Stalle, 1987  validOtiocerus reaumurii Kirby, 1821  valid
Oliarus praeneste Fennah, 1958  synonymOtiocerus regalis Fennah, 1952  valid
Oliarus pretoriae Synave, 1956  previous combinationOtiocerus rubescens Fowler, 1900  previous combination
Oliarus priola Fennah, 1973  valid CavernicolousOtiocerus sapporoensis Matsumura, 1900  previous combination
Oliarus procellaris Kirkaldy, 1909  validOtiocerus schellenbergii Kirby, 1821  previous combination
Oliarus proimpeditus Muir, 1924  validOtiocerus schoenherri Stål, 1859  valid
Oliarus prolongula Muir, 1924  validOtiocerus signoretii Fitch, 1856  synonym
Oliarus propior Fowler, 1904  validOtiocerus stollii (Kirby, 1821)  valid
Oliarus propius Muir, 1924  validOtiocerus venusta Fowler, 1900  valid
Oliarus pseudoballista Van Stalle, 1984  validOtiocerus westwoodi Metcalf, 1945  synonym
Oliarus pseudofrontalis Linnavuori, 1973  validOtiocerus winthemi (Germar, 1821)  synonym
Oliarus pseudofusculus Van Stalle, 1987  previous combinationOtiocerus wolfii Kirby, 1821  valid
Oliarus pseudovarians Van Stalle, 1984  previous combinationOtorgerius ototettigoides (Oshanin, 1913)  previous combination
Oliarus puncticostatus Van Stalle, 1987  previous combinationOtotettix auritus Oshanin, 1912  nomen nudum
Oliarus punctipennis Distant, 1906  previous combinationOtotettix auritus Oshanin, 1913  valid
Oliarus pundaloyensis Van Stalle, 1991  previous combinationOtotettix desertorum Oshanin, 1913  previous combination
Oliarus putoni Signoret, 1884  validOtotettix desertorum Oshanin, 1912  nomen nudum
Oliarus pygmaeus Ball, 1937  previous combinationOtotettix jaxartensis Oshanin, 1913  valid
Oliarus pygmaeus Vilbaste, 1961  synonymOtotettix jaxartensis Oshanin, 1912  nomen nudum
Oliarus pythaules Fennah, 1961  synonymOtotettix orbicularis (Oshanin, 1913)  valid
Oliarus quadratus Fennah, 1945  validOtotettix surdus Oshanin, 1913  previous combination
Oliarus quadricinctus Matsumura, 1914  previous combinationOtottetix jaxartensis Oshanin, 1913  wrong spelling
Oliarus quinquecostatus Fieber, 1872  synonymOtottetix surdus Oshanin, 1913  wrong spelling
Oliarus quinquecostatus (Dufour, 1833)  previous combinationOuwea doddi Distant, 1907  valid
Oliarus quinquelineatus (Say, 1830)  previous combinationOuwea doddi Distant, 1907  status revivisco
Oliarus ramiferens Van Stalle, 1990  validOuwea doddi Distant, 1907  synonym
Oliarus rarus Caldwell, 1947  validOxycephala shanwangensis† Hong, 1979  previous combination
Oliarus reductus (Walker, 1870)  validOxycephala xiejiaheensis † Hong, 1983  synonym
Oliarus remansor Fennah, 1967  previous combinationOxychara alata Ossiannilsson, 1940  previous combination
Oliarus renki Van Stalle, 1987  validOxychara cyardiformis Melichar, 1923  synonym
Oliarus retentus Caldwell, 1947  previous combinationOzoliarus alces Löcker, 2006  valid
Oliarus ropotamus Dlabola, 1970  synonymOzoliarus antennoides Löcker, 2006  valid
Oliarus roridus Fieber, 1876  previous combinationOzoliarus asaica (Kirkaldy, 1906)  valid
Oliarus runingensis Synave, 1962  validOzoliarus bullocki Löcker, 2006  valid
Oliarus ryukyucola Van Stalle, 1991  previous combinationOzoliarus bumarangoides Löcker, 2006  valid
Oliarus sabahensis Van Stalle, 1991  previous combinationOzoliarus catherinae Löcker, 2006  valid
Oliarus sablenis Caldwell, 1951  previous combinationOzoliarus clipealis (Jacobi, 1928)  valid
Oliarus saccharicola Kirkaldy, 1907  validOzoliarus cuspidistylus Löcker, 2006  valid
Oliarus sakinae Synave, 1962  synonymOzoliarus cynosurus Löcker, 2006  valid
Oliarus salazaricus Van Stalle, 1987  validOzoliarus dedariensis Löcker, 2006  valid
Oliarus sanctaehelenae (Stål, 1859)  synonymOzoliarus dingkana (Distant, 1907)  valid
Oliarus sanctiphilippi Synave, 1960  validOzoliarus golgolensis Löcker, 2006  valid
Oliarus satschei Van Stalle, 1987  previous combinationOzoliarus laertes (Kirkaldy, 1906)  valid
Oliarus scalenus Tsaur, Hsu & Van Stalle, 1988  previous combinationOzoliarus latifundus Löcker, 2006  valid
Oliarus scylla Linnavuori, 1973  validOzoliarus maru Löcker, 2006  valid
Oliarus sementinus Ball, 1902  previous combinationOzoliarus nourlangiensis Löcker, 2006  valid
Oliarus senegalensis Van Stalle, 1987  validOzoliarus olene Löcker, 2006  valid
Oliarus serenjei Van Stalle, 1987  validOzoliarus pelecanus Löcker, 2006  valid
Oliarus shiaoi Tsaur, 1990  previous combinationOzoliarus pitta Löcker, 2006  valid
Oliarus siculus Matsumura, 1910  synonymOzoliarus poculum Löcker, 2006  valid
Oliarus signatus Fieber, 1876  synonymOzoliarus quadratistylus Löcker, 2006  valid
Oliarus signatus Fieber, 1872  nomen nudumOzoliarus quercistylus Löcker, 2006  valid
Oliarus silvestris Kirkaldy, 1909  validOzoliarus rotundistylus Löcker, 2006  valid
Oliarus similis Giffard, 1925  validOzoliarus semicircularis Löcker, 2006  valid
Oliarus similis lanaiana (Giffard, 1925)  validOzoliarus serratus Löcker, 2006  valid
Oliarus similis mauiana (Giffard, 1925)  validOzoliarus smithi Löcker, 2006  valid
Oliarus similis molokaiana (Giffard, 1925)  validOzoliarus taroomensis Löcker, 2006  valid
Oliarus simlae Distant, 1911  validOzoliarus triangularis Löcker, 2006  valid
Oliarus simplex (Walker, 1857)  previous combinationOzoliarus umbella Löcker, 2006  valid