All (in this database) Lepidoptera list (Scientific names): Part OS
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- osacesalis Walker, 1859 (Herdonia)
- Osacia Hampson, 1918 (Phycitinae), see Osakia
- osadai Takanami, 1987 ( Drupadiatheda)
- osadai Yagishita, 1993 ( Deliasrosamontana)
- osae Davis, 2003 (Cnissostages)
- osakensis Hirose, 1931 (Papilio xuthus xuthulus ab. ), see Papilio xuthus
- Osakia Ragonot, 1901 (Phycitinae)
- osamensis Park, Bae, Kim & Heppner, 2013 (Torodora)
- osamui Hayashi & Ohtsuka, 1985 (Deramas)
- osbecki (Aurivillius, 1882) ( Chrysoritisthysbe)
- osbecki (Poecilmitis thysbe), see Chrysoritis thysbe osbecki
- osbecki Aurivillius, 1882 (Phasis), see Chrysoritis thysbe osbecki
- osbeckiana Thunberg, 1784 (Tortrix), see Acleris variegana
- osborni (Holland, 1920) ( Precisrauana)
- osborni (Junonia rauana), see Precis rauana osborni
- osborni Donckier de Douceel, 1881, see Nymphalis urticae
- osborni Holland, 1920 (Kallimula), see Precis rauana osborni
- osca (Plötz, 1883) ( Rhinthoncubana)
- Osca Walker, 1863 (Thyrididae), see Rhodoneura
- osca Plötz, 1883 (Hesperia), see Rhinthon cubana osca
- oscari Rothschild, 1902 (Acraea)
- oscari Rothschild, 1902 ( Papilioecherioides)
- oscaroides (Ménétriés, 1859) ( Boloriaoscarus)
- oscaroides (Clossiana oscarus), see Boloria oscarus oscaroides
- oscaroides Ménétriés, 1859 (Argynnis oscarus (?) var. ), see Boloria oscarus oscaroides
- oscarus Thurau, 1903 ( Amauriscrawshayi)
- oscarus (Eversmann, 1844) (Boloria)
- oscarus (Clossiana oscarus), see Boloria oscarus oscarus
- oscarus (Clossiana), see Boloria oscarus
- oscarus Eversmann, 1844 (Argynnis), see Boloria oscarus
- Oscella Walker, 1864 (Hapsiferinae), see Tiquadra
- osceloa (Atrytone), see Euphyes vestris vestris
- Osceola Hulst in Smith, 1891 (Phycitinae), see Peoria
- osceola Lintner, 1878 (Pamphila), see Euphyes vestris vestris
- oschi Zhdanko, 1998 ( Neolycaenabaidula)
- oschophora Meyrick, 1910 (Ephysteris), see Ephysteris promptella
- oscitalis Grote, 1880, see Framinghamia helvalis
- oscula Evans, 1949 (Celaenorrhinus)
- osculata Hulst, 1896 (Enchoria)
- osculata (Catocala ilia), see Catocala ilia zoe
- osculata Hulst, 1884 (Catocala), see Catocala ilia zoe
- osculatrix Meyrick, 1933 (Nymphula), see Elophila difflualis
- oscurata[sic!] Maza, 1976 (Anartia ab. ), see Anartia fatima fatima
- oseanus Murayama, 1953 ( Favoniussaphirinus)
- osellus[sic!] (Crambus), see Agriphila argentistrigella osseella
- osembo Möschler, 1883 (Proteides), see Quinta cannae
- osera Boisduval, 1870 (Xanthyris), see Atyria vespertina
- Oseriates Fazekas, 1991 (Crambinae), see Pediasia
- Osericana Walker, [1866] (Hypeninae), see Pinacia
- oshanini Avinoff & Sweadner, 1951 ( Karanasajosephi)
- oshanini Avinoff, 1910 (Colias eogene ab. ), see Colias eogene elissa
- osheba (Holland, 1890) (Eresiomera)
- osheba (Pseuderesia), see Eresiomera osheba
- osheba Holland, 1890 (D'urbania), see Eresiomera osheba
- oshimai Ishizuka, 2001 (Catocala)
- osiana (Druce, 1893) ( Glaucinaeupetheciaria)
- osias (Röber, 1886) ( Jamidesphilatus)
- osias (Lampides philatus), see Jamides philatus osias
- osias (Lampides), see Jamides philatus osias
- osias (Plebejus), see Jamides philatus osias
- osias Röber, 1886 (Plebeius), see Jamides philatus osias
- osiba (Druce, 1893) (Hyalurga)
- osiba Druce, 1893 (Lauron), see Hyalurga osiba
- osibius Draudt, 1924 (Turesis)
- Osica Walker, 1865 (Notodontidae), see Ortholomia
- Osicerda Walker, 1861 (Ennominae), see Achrosis
- osiliensis Viidalepp, 1966, see Parnassius mnemosyne mnemosyne
- osima (Fruhstorfer, 1913) ( Phaedyma(Phaedyma) daria)
- osima Fruhstorfer, 1913 (Neptis (Phaedyma) daria), see Phaedyma daria osima
- osinia Cramer, 1777 (Papilio), see Mesosemia philocles philocles
- Osiriaca Walker, [1866] (Pyraustinae)
- osiris (Dalman, 1823) (Hippotion)
- osiris (Cramer, [1777]) (Cyllopoda)
- osiris Barnes & Benjamin, 1926 ( Euparthenosnubilis)
- osiris Bethune-Baker, 1911 (Paraproctis)
- osiris Troubridge, 2008 (Sympistis)
- osiris (Meigen, 1829) (Cupido)
- osiris (Hopffer, 1855) (Euchrysops)
- osiris (Aricia (Eumedonia) eumedon), see Eumedonia eumedon eumedon
- osiris (Eumedonia eumedon), see Eumedonia eumedon eumedon
- osiris (Flavinia (Chrysauge)), see Cyllopoda osiris
- osiris (Flavinia), see Cyllopoda osiris
- osiris Bang-Haas, 1927 (Lycaena), see Eumedonia eumedon eumedon
- osiris Cramer, [1777] (Phalaena), see Cyllopoda osiris
- osiris Dalman, 1823 (Deilephila), see Hippotion osiris
- osiris Hopffer, 1855 (Lycaena), see Euchrysops osiris
- osiris Meigen, 1829 (Polyommatus), see Cupido osiris
- osiris Plötz, 1883 (Entheus), see Entheus gentius
- osirisimile ten Hagen, 2008 ( Cupidostaudingeri)
- oskella Piskunov, 1973 (Teleiodes), see Carpatolechia notatella
- oskewa (Psychonotis (Neopitchecops) zalmora), see Cebrella pellecebra moultoni
- oskewa Moulton, 1911 (Lycaenopsis (Neopithecops)), see Cebrella pellecebra moultoni
- oskya (Pamphila), see Euphyes vestris metacomet
- oslarellum Dyar, 1905 (Homoeosoma)
- oslarellus Haimbach, 1908 ( Crambuspraefectellus)
- oslari Rothschild, 1907 (Anisota)
- oslari Rothschild, 1907 ( Eaclesimperialis)
- oslari (Rothschild & Jordan, 1903) ( Sphinxgordius)
- oslari (Skinner, 1899) (Amblyscirtes)
- oslari (Rothschild, 1910) (Hypercompe)
- oslari Barnes, 1900 ( Orgyialeucostigma)
- oslari Dyar, 1904 (Afilia)
- oslari (Dyar, 1904) ( Phaeostrymonalcestis)
- oslari (Skinner, 1911) ( Oeneisalberta)
- oslari (Ecpantheria), see Hypercompe oslari
- oslari (Euphyes), see Amblyscirtes oslari
- oslari (Halisidota), see Halysidota tessellaris
- oslari (Hemerocampa), see Orgyia leucostigma oslari
- oslari (Pygarctia), see Pygarctia murina murina
- oslari Dyar, 1904 (Thecla), see Phaeostrymon alcestis oslari
- oslari Engelhardt, 1946 (Paranthrene tricincta f. ), see Paranthrene tabaniformis tabaniformis
- oslari Gunder, 1925 (Euphydryas anicia var. capella ab. ♂ ), see Euphydryas anicia capella
- oslari Rothschild & Jordan, 1903 (Hyloicus gordius), see Sphinx gordius oslari
- oslari Rothschild & Jordan, 1903 (Proserpinus juanita), see Proserpinus juanita
- oslari Rothschild, 1909 (Halisidota), see Halysidota tessellaris
- oslari Rothschild, 1910 (Ecpantheria), see Hypercompe oslari
- oslari Rothschild, 1910 (Pygarctia), see Pygarctia murina murina
- oslari Skinner, 1899 (Pamphila), see Amblyscirtes oslari
- oslari Skinner, 1911 (Chionobas alberta), see Oeneis alberta oslari
- Oslaria Dyar, 1904 (Psaphidinae)
- osma Fruhstorfer, 1912 ( Horagalefebvrei)
- Osmacola Watson, Fletcher & Nye, 1980 (Ctenuchinae), see Callopepla
- osmana (Hacker, 1998) (Anarta)
- osmana (Wagner, 1929) ( Standfussiananictymera)
- osmana Hacker & Kuhna, 1986 (Gortyna)
- osmana Friedel, 1967 ( Rhegmatophilaalpina)
- osmana Cowan, 1966 ( Horagalefebvrei)
- osmana Jumalon, 1967 (Papilio)
- osmana Obraztsov, 1952 (Gravitarmata)
- osmana (Chilasa osmana), see Papilio osmana osmana
- osmana (Chilasa), see Papilio osmana
- osmana (Hadula (Ptochicestra)), see Anarta osmana
- osmana Hacker, 1998 (Hadula), see Anarta osmana
- osmana Wagner, 1929 (Agrotis lucernea var. ), see Standfussiana nictymera osmana
- osmani Raymundo, 1931 (Castnia cochrus), see Prometheus cochrus
- osmanica (Wagner, 1931) ( Dysciainnocentaria)
- osmanica Schawerda, 1909 ( Erebiamanto)
- Osmarina Clarke, 1978 (Depressariinae)
- osmarr [= ossmar] (Lysandra), see Lysandra ossmar
- osmiaeformis (Herrich-Schäffer, [1848]) (Chamaesphecia)
- osmiaeformis Herrich-Schäffer, [1848] (Sesia), see Chamaesphecia osmiaeformis
- osmidus Swinhoe, 1901 (Heliocheilus)
- osmiiformis Staudinger, 1856 (Sesia), see Chamaesphecia osmiaeformis
- Osminia Le Cerf, 1917 (Sesiinae)
- Osmocneme Draudt in Seitz, 1917 (Ctenuchinae)
- Osmodes Holland, 1892 (Hesperiinae)
- osmophora Hampson, 1901 (Amaxia)
- osmophora Hampson, 1900 (Disoidemata)
- osmundana (Fernald, 1879) (Olethreutes)
- osoria Martin, [1923] (Callicore clymena), see Diaethria anna anna
- osoris [= osiris] (Euchrysops), see Euchrysops osiris
- Osphantes Holland, 1896 (Hesperiinae)
- osphrantica (Meyrick, 1929) (Cophomantella)
- osphrantica Meyrick, 1929 (Cophomantis), see Cophomantella osphrantica
- Osphrantis Meyrick, 1897 (Acentropinae)
- Osphretica Meyrick, 1910 (Scardiinae), see Morophaga
- Osrhoes Druce, 1900 (Palaeosetidae)
- ossa (Druce, 1893) (Cacostatia)
- ossa (Swinhoe, 1885) ( Pseudozizeeriamaha)
- ossa (Zizeeria), see Pseudozizeeria maha ossa
- ossa Druce, 1893 (Metastatia), see Cacostatia ossa
- ossa Swinhoe, 1885 (Zizera), see Pseudozizeeria maha ossa
- ossaedeaga Li & Zheng, 1998 (Coleophora)
- ossea Walsingham, 1907 (Hyposmocoma)
- ossea Schaus, 1905 (Zatrephes)
- ossea Toxopeus, 1948 (Lymantria)
- ossea Guenée, 1852 (Nonagria)
- ossea (Hyposmochoma), see Hyposmocoma ossea
- ossea (Nogaria (of authors) ), see Nonagria ossea
- ossea Haworth, 1828 (Erminea), see Argyresthia bonnetella
- ossealis (Hampson, 1899) (Triuncidia)
- ossealis Hampson, 1899 (Cybolomia), see Triuncidia ossealis
- osseana (Scopoli, 1763) (Eana)
- osseata (Bar, 1875) (Eulepidotis)
- osseata Holloway, 2008 (Feathalina)
- osseata Walker, 1862 (Orgyia)
- osseata (Dasychira), see Orgyia osseata
- osseata (Notolophus), see Orgyia osseata
- osseata Bar, 1875 (Calydia), see Eulepidotis osseata
- osseata Walker, [1865] (Chalcosia), see Prosopandrophila distincta
- osseatella (Treitschke, 1832) (Euzophera)
- osseella (Walsingham, 1889) (Antaeotricha)
- osseella (Stainton, 1861) (Psamathocrita)
- osseella (Hampson, 1900) ( Agriphilaargentistrigella)
- osseella Ragonot, 1887 (Myelois)
- osseella Stainton, 1861 (Gelechia), see Psamathocrita osseella
- osseella Walsingham, 1889 (Ide), see Antaeotricha osseella
- osseellus Hampson, 1900 (Crambus), see Agriphila argentistrigella osseella
- osseogrisea Berio, 1973 (Mythimna)
- osseogrisea (Aletia), see Mythimna osseogrisea
- osseola (Staudinger, 1882) (Hydraecia)
- osseola (Hydroecia), see Hydraecia osseola
- osseola Staudinger, 1882 (Hydroecia), see Hydraecia osseola
- ossetica Dubatolov, 1996 ( Arctiacaja)
- ossiana (Proclossiana eunomia), see Boloria eunomia ossianus
- ossianella (Scythris), see Scythris heinemanni
- ossianella Millière, 1874 (Butalis), see Scythris heinemanni
- ossianus (Herbst, 1800) ( Boloriaeunomia)
- ossianus (Clossiana eunomia), see Boloria eunomia ossianus
- ossianus (Proclossiana aphirape), see Boloria eunomia ossianus
- ossianus Boisduval, 1832, see Boloria eunomia triclaris
- ossianus Herbst, 1800 (Papilio), see Boloria eunomia ossianus
- ossicolor (Warren, 1922) (Gogana)
- ossicolor Rosenstock, 1885 (Lithilaria)
- ossicolor (Warren, 1914) (Centrartha)
- ossicolor Warren, 1914 (Westermannia)
- ossicolor (Centartha), see Centrartha ossicolor
- ossicolor (Leucania), see Mythimna modesta
- ossicolor Warren, 1912 (Hyphilare), see Mythimna modesta
- ossicolor Warren, 1914 (Centrarthra), see Centrartha ossicolor
- ossicolor Warren, 1922 (Ametroptila), see Gogana ossicolor
- ossiculata (Lederer, 1871) (Idaea)
- ossiculata Lederer, 1871 (Acidalia), see Idaea ossiculata
- ossmar (Gerhard, 1851) (Lysandra)
- ossmar (Polyommatus (group coridon)), see Lysandra ossmar
- ossmar (Polyommatus (Lysandra) ossmar), see Lysandra ossmar ossmar
- ossmar (Polyommatus (Lysandra)), see Lysandra ossmar
- ossmar Gerhard, 1851 (Lycaena), see Lysandra ossmar
- Ossonoba Walker, 1866 (Scoliopteryginae)
- ossuaria Kaila, 1997 (Elachista)
- ossularia (Geyer, 1837) (Lobocleta)
- ossulata (Lobocleta), see Lobocleta ossularia
- ossuna Haensch, 1909 ( Ithomiadiasia)
- osta Evans, 1955 ( Synaptesalenus)
- osta Smith, 1958 (Arctia ab. ), see Arctia caja
- ostacanta Wang, Wang & Bae, 2018 (Promalactis)
- Ostacronycta Bethune-Baker, 1911 (Calpinae), see Bamra
- ostara (Röber, 1906) (Philaethria)
- ostara Röber, 1906 (Metamorpha), see Philaethria ostara
- ostariella (Walsingham, 1897) (Recurvaria)
- ostariella (Taygete), see Recurvaria ostariella
- ostariella Walsingham, 1897 (Aristotelia), see Recurvaria ostariella
- osteella Ragonot, 1887 (Homoeosoma), see Phycitodes maritima
- osteitis Meyrick, 1917 (Stathmopoda)
- ostensckenella (Fitch, 1859) (Chrysaster)
- ostensella (Walker, 1864) (Dichomeris)
- ostensella Walker, 1864 (Gelechia), see Dichomeris ostensella
- ostenta (H. Edwards, 1881) (Virbia)
- ostenta (Holomelina), see Virbia ostenta
- ostenta H. Edwards, 1881 (Crocota), see Virbia ostenta
- ostenta Stichel, 1923 (Mesene phareus f. ), see Mesene leucophrys
- ostentalis (Walker, 1863) (Arrade)
- ostentalis (Geyer, 1833) (Agathodes)
- ostentalis (Ziza), see Arrade ostentalis
- ostentalis Geyer, 1833 (Perinephela), see Agathodes ostentalis
- ostentalis Walker, 1863 (Ziza), see Arrade ostentalis
- ostentaria (Walker, 1861) (Idaea)
- ostentata Distant, 1899 (Digama)
- ostentata Fruhstorfer, 1910 (Catopsilia), see Catopsilia pomona
- ostentatrix Heinrich, 1923 (Hystrichophora)
- ostentella (Streyella), see Streyella anguinella
- ostentella (Teleiodes), see Streyella anguinella
- ostentella Zerny, 1934 (Telphusa), see Streyella anguinella
- ostentosaria Möschler, 1887, see Semiothisa ostentosaria
- ostentum Hering, 1926 (Euproctis)
- osteochroa (Turner, 1898) (Chezala)
- osteochroa Turner, 1898 (Peltophora), see Chezala osteochroa
- osteodactyla (Hellinsia), see Hellinsia osteodactylus
- osteodactylus (Zeller, 1841) (Hellinsia)
- osteodactylus Zeller, 1841 (Pterophorus), see Hellinsia osteodactylus
- Osteodes Guenée in Boisduval & Guenée, 1857 (Ennominae), see Semiothisa
- osteolalis Lederer, 1863 (Cacographis)
- osteopa Meyrick, 1920 (Acrocercops)
- Osteosema Warren, 1894 (Geometrinae), see Eucyclodes
- osteosema Meyrick, 1929 (Epithectis), see Taygete decemmaculella
- osteria (Westwood, 1850) (Eulaceura)
- ?osteria (=eulaceura), see Allosmaitia strophius
- osteria Westwood, 1850 (Apatura), see Eulaceura osteria
- osterodensis Reiss, 1921 (Zygaena)
- osterodica Reiss, 1942, see Zygaena filipendulae polygalae
- Ostha Walker, 1861 (Calpinae)
- osthelder Bytinski-Salz, 1937 (ocularis), see Tethea ocularis
- Ostheldera Nye, 1975 (Psaphidinae)
- osthelderensis Hacker, 1990 ( Catocalaneonympha)
- osthelderi Püngeler, 1925 (Chondrostega)
- osthelderi (Rebel, 1936) (Semioscopis)
- osthelderi (Rebel, 1936) (Schiffermuelleria)
- osthelderi (Wehrli, 1932) (Idaea)
- osthelderi (Pfeiffer, 1932) (Spialia)
- osthelderi Obraztsov, 1966 ( Amatanigricornis)
- osthelderi Daniel, 1951 (Asuridoides)
- osthelderi Boursin, 1940 ( Autophilalibanotica)
- osthelderi (Boursin, 1933) (Shargacucullia)
- osthelderi Boursin, 1951 (Agrochola)
- osthelderi (Fruhstorfer, 1909) ( Lycaenavirgaureae)
- osthelderi (de Lattin, 1950) (Catoptria)
- osthelderi (Obraztsov, 1949) (Acleris)
- osthelderi Huemer, 1990 (Phtheochroa)
- osthelderi Heath, 1975 (Micropterix)
- osthelderi (Chrysophanus virgaureae), see Lycaena virgaureae osthelderi
- osthelderi (Cucullia), see Shargacucullia osthelderi
- osthelderi (Denisia), see Schiffermuelleria osthelderi
- osthelderi Boursin, 1933 (Cucullia), see Shargacucullia osthelderi
- osthelderi Corti, 1931 (Euxoa), see Euxoa conspicua
- osthelderi Daniel, 1932 (Cossus), see Dyspessacossus fereidun
- osthelderi Draudt, 1933 (Dianthoecia), see Hadena syriaca
- osthelderi Fruhstorfer, 1909 (Chrysophanus virgaureae), see Lycaena virgaureae osthelderi
- osthelderi Obraztsov, 1949 (Peronea), see Acleris osthelderi
- osthelderi Pfeiffer, 1932 (Hesperia (Ateleomorpha)), see Spialia osthelderi
- osthelderi Rebel, 1935 (Aristotelia), see Aristotelia mirabilis
- osthelderi Rebel, 1936 (Borkhausenia), see Schiffermuelleria osthelderi
- osthelderi Rebel, 1936 (Epigraphia), see Semioscopis osthelderi
- osthelderi de Lattin, 1950 (Crambus), see Catoptria osthelderi
- osthelderiana Reiss, 1941, see Zygaena transalpina bavarica
- Osthelderichola Beck, 1991 (Xyleninae), see Agrochola
- ostia (Druce, 1898) (Baniana)
- ostia (Hewitson, 1867) (Olynthus)
- ostia Hewitson, 1867 (Thecla), see Olynthus ostia
- ostia Swinhoe, 1903 (Leucoblepsis), see Leucoblepsis fenestraria
- osticollis Troubridge, 2006 (Euros)
- ostodes (Walsingham, 1913) (Antaeotricha)
- ostodes (Stenoma), see Antaeotricha ostodes
- ostodes Walsingham, 1913 (Stenoma), see Antaeotricha ostodes
- ostorius (Donovan, 1805) (Fodina)
- ostorius Donovan, 1805 (Phalaena), see Fodina ostorius
- ostra Swinhoe, 1903 (Anthela)
- ostra (Swinhoe, 1903) (Lacipa)
- ostra (Nygmia), see Lacipa ostra
- ostra Swinhoe, 1903 (Euproctis), see Lacipa ostra
- ostracina (Dasychira), see Olene dryina
- ostracina (Orgyia), see Olene dryina
- ostracina Turner, 1902 (Laelia), see Olene dryina
- ostracina Wallengren, 1858 (Gnathostypsis), see Theretra capensis
- ostracitis (Meyrick, 1913) (Compsoctena)
- ostracitis Meyrick, 1913 (Melasina), see Compsoctena ostracitis
- ostracodes Meyrick, 1916 (Dichomeris)
- ostracodes (Turner, 1917) (Caloptilia)
- ostracodes Turner, 1917 (Cyphosticha), see Caloptilia ostracodes
- ostracon Korb, 1996 ( Oeneisalpina)
- ostracophanes Meyrick, 1938 (Narycia)
- ostreella (Ragonot, 1887) (Arivaca)
- ostreella Ragonot, 1887 (Saluria), see Arivaca ostreella
- ostreonalis (Grote, 1882) (Cliniodes)
- ostreonalis (Metrea), see Cliniodes ostreonalis
- ostreonalis Grote, 1882 (Metrea), see Cliniodes ostreonalis
- Ostreophana (Pyraustinae), see Pyrausta
- Ostreophena Sodoffsky, 1837 (Pyraustinae), see Pyrausta
- ostricolorella Hulst, 1890 (Euzophera)
- ostrina (Hübner, [1808]) (Eublemma)
- ostrina Grose-Smith, 1894 (Dicallaneura)
- ostrina (Meyrick, 1916) (Ectropoceros)
- ostrina Hübner, [1808] (Noctua), see Eublemma ostrina
- ostrina Meyrick, 1916 (Tinea), see Ectropoceros ostrina
- ostrinalis (Hübner, 1796) (Pyrausta)
- ostrinana (Guenée, 1845) (Diceratura)
- ostrinana Guenée, 1845 (Cochylis), see Diceratura ostrinana
- ostrinaria (Hübner, [1813]) (Idaea)
- ostrinaria Hübner, [1813] (Geometra), see Idaea ostrinaria
- ostrinella (Clemens, 1860) (Moodna)
- Ostrinia Hübner, [1825] (Pyraustinae)
- Ostrinotes Johnson, Austin, Le Crom & Salazar, 1997 (Theclinae)
- ostrinus (Ostrinotes), see Ostrinotes tarena
- ostrinus Druce, 1907 (Thecla), see Ostrinotes tarena
- ostrinus, see Ostrinotes tarena
- ostrogovichi Caradja, 1930 (Crocota)
- ostrogovichi Draudt, 1933 ( Conisaniapoelli)
- ostrogovichi Hacker, 1989 ( Hadenacaesia)
- ?ostrogovichi Diószeghy, 1935 (Harmodia caesia ab. ), see Hadena caesia ostrogovichi
- ostrolenka Staudinger, 1884 (Perrhybris), see Perrhybris pamela alethina
- ostryae Clemens, [1862] (Coleophora)
- ostryaeella (Chambers, 1874) (Stilbosis)
- ostryaeella (Chambers, 1878) (Caloptilia)
- ostryaeella (Aeaea), see Stilbosis ostryaeella
- ostryaeella Chambers, 1874 (Aeaea), see Stilbosis ostryaeella
- ostryaefoliella (Clemens, 1859) (Phyllonorycter)
- ostryaefoliella (Clemens, 1861) (Coptodisca)
- ostryaefoliella (Clemens, 1861) (Stigmella)
- ostryarella (Chambers, 1871) (Cameraria)
- ostryella (McDunnough, 1943) (Nites)
- ostryella Ely, 1913 (Acrobasis)
- ostryella McDunnough, 1943 (Depressaria), see Nites ostryella
- ostryella Meyrick, 1912, see Cameraria ostryarella
- osuna Swinhoe, 1903 (Euproctis)
- osuna (Hewitson, 1876) ( Napeogenespharo)
- osuna (Nygmia), see Euproctis osuna
- osuna Hewitson, 1876 (Ithomia), see Napeogenes pharo osuna
- osvalda Schaus, 1924 (Eudoliche)
- ?osyka Edwards, 1867, see Lerodea eufala
- ?osyka Edwards, 1867, see Polites vibex
- osyka (Euphyes), see Euphyes vestris metacomet
- osyka Edwards, 1867 (Hesperia), see Euphyes vestris metacomet
- osymanduas Geyer, [1827] (Priamides), see Parides anchises nephalion
- osyridellus Millière, 1869 (Paradoxus)
- osyris (Staudinger, 1876) (Ebrietas)
- osyris (Schultze, 1920) (Bebearia)
- osyris (Boisduval, 1832) (Hypocysta)
- osyris (C. & R. Felder, 1861) ( Paridesanchises)
- osyris (Antigonus), see Ebrietas osyris
- osyris (Euriphene tentyris), see Bebearia osyris
- osyris (Papilio anchises), see Parides anchises osyris
- osyris Boisduval, 1832 (Satyrus), see Hypocysta osyris
- osyris C. & R. Felder, 1861 (Papilio), see Parides anchises osyris
- osyris Schultze, 1920 (Euryphyra tentyris f. ), see Bebearia osyris
- osyris Staudinger, 1876 (Achlyodes), see Ebrietas osyris
- ota Barnes & Benjamin, 1927 (Chabuata notata f. ), see Tricholita notata
- Otaces Druce in Godman & Salvin, 1891 (Herminiinae)
- otacilia (Trimen, 1868) (Anthene)
- otacilia (Lycaenesthes), see Anthene otacilia
- otacilia Trimen, 1868 (Lycaena), see Anthene otacilia
- Otacustesis Dyar, 1914 (Riodinidae), see Pheles
- otaheitae Felder, 1862 (Diadema auge var. ), see Hypolimnas bolina
- otakwensis Talbot, 1932 ( Hypolimnasdeois)
- otanes Druce, 1893 (Dioptis)
- otanes C. & R. Felder, [1865] (Ogyris)
- otanes (Hewitson, 1864) (Anthanassa)
- otanes (Eudioptis), see Dioptis otanes
- otanes (Phyciodes otanes), see Anthanassa otanes otanes
- otanes (Phyciodes), see Anthanassa otanes
- otanes (Phyciodes), see Anthanassa otanes otanes
- otanes Hewitson, 1864 (Eresia), see Anthanassa otanes
- otaniana (Speyeria aglaja), see Speyeria aglaja tonnai
- otaniana Matsumura, 1928 (Argynnis aglaia[sic] tonnai ab. ), see Speyeria aglaja tonnai
- Otaria Zhdanko, 1984 (Polyommatinae), see Otnjukovia
- otasa Todd & Poole, 1981 (Aucula)
- otaxes Godman, 1899 ( Napeogeneslarina)
- otbayar (Churkin, 2004) (Lycaena)
- otbayar Churkin, 2004 (Thersamolycaena), see Lycaena otbayar
- otelka (Euroto), see Morys geisa geisa
- otelloi Brown & Fernández, 1985 ( Eueideslybia)
- otero (Codiosoma), see Kodiosoma fulva
- otero (Kodiosoma), see Kodiosoma fulva
- otero Barnes, 1907 (Kodiosoma), see Kodiosoma fulva
- oteroi Miller, 2009 (Polypoetes)
- oteroi Neild, 1996 ( Adelphanaxia)
- oterosella Busck, [1934] (Ethmia)
- othane Blanchard, 1852 (Cicinnus)
- othello (Fawcett, 1916) (Calesia)
- othello (Smith, 1908) (Acronicta)
- othello Grose-Smith, 1894 ( Papilioaegeus)
- othello (Acronycta), see Acronicta othello
- othello Cornelsen, 1923 (Argynnis), see Boloria pales
- othello Fawcett, 1916 (Lecasia), see Calesia othello
- othello Fereday, 1876 (Oreina), see Percnodaimon merula
- othello Plötz, 1879 (Pyrrhopyga), see Elbella iphinous
- othello Smith, 1908 (Acronycta), see Acronicta othello
- othello Suffert, 1904 (Charaxes lichas), see Charaxes pleione pleione
- otheres Fruhstorfer, 1916 ( Callicoreastarte)
- otheres Fruhstorfer, 1916 (Catagramma codomanus), see Callicore astarte otheres
- othna (Butler, 1870) (Thespieus)
- othna Butler, 1870 (Proteides), see Thespieus othna
- otho (Smith, 1797) (Wallengrenia)
- otho Westwood, 1851 (Anteros)
- otho (Thymelicus), see Wallengrenia otho
- otho (Wallingrenia), see Wallengrenia otho
- otho Barnes, 1901 (Euhalisidota), see Leucanopsis lurida
- otho Smith, 1797 (Papilio), see Wallengrenia otho
- othoca Fruhstorfer, 1910 (Melete lycimnia narmia f. ), see Melete lycimnia narmia
- othoe (Hewitson, 1867) ( Dismorphiazathoe)
- othoe (Leptalis), see Dismorphia zathoe othoe
- othoe Hewitson, 1867 (Leptalis), see Dismorphia zathoe othoe
- othona (Hewitson, 1865) (Chliaria)
- othona (Hypolycaena othona), see Chliaria othona othona
- othona Hewitson, 1865 (Hypolycaena), see Chliaria othona
- othonias (Hewitson, 1878) ( Ancistroidesnigrita)
- othonias Hewitson, 1878 (Astictopterus), see Ancistroides nigrita othonias
- othonis (Fruhstorfer, 1904) ( Polyuradelphis)
- othonis Fruhstorfer, 1904 (Eulepis delphis), see Polyura delphis othonis
- Othora Walker, 1865 (Collomeninae), see Plotheia
- Othorene Boisduval, 1872 (Ceratocampinae)
- Othreis Hübner, [1823] (Calpinae), see Eudocima
- Othresypna Berio, 1950 (Erebinae), see Hypersypnoides
- Othria (Agaristinae), see Orthia
- Othria Westwood, 1877 (Agaristinae), see Orthia
- othriades (Chrysoplectrum), see Chrysoplectrum otriades
- Othryis Agassiz, [1847] (Calpinae), see Eudocima
- otiata Swinhoe, 1901 (Dichromia)
- otiata (Hypena), see Dichromia otiata
- otidipenella [= otidipennella] Hübner, [1817] (Tinea), see Coleophora otidipennella
- otidipennella (Hübner, [1817]) (Coleophora)
- otidipennella (Perygra), see Coleophora otidipennella
- otignatha Hampson, 1924 (Aglaonice)
- otilia Belcastro, 1990 (Caenides)
- Otiophora Turner, 1908 (Pyraustinae)
- otiosa (Walsingham, 1909) (Ithome)
- otiosa (Eritarbes), see Ithome otiosa
- otiosa (Haplochrois), see Ithome otiosa
- otiosa (Philobota), see Olbonoma melliflua
- otiosa Guenée, 1852 (Polydesma), see Polydesma scriptilis
- otiosa Meyrick, 1921 (Philobota), see Olbonoma melliflua
- otiosa Neumoegen & Dyar, 1893 (Euprepia virguncula var. ), see Grammia virguncula virguncula
- otiosa Walker, 1858 (Perigea), see Condica sutor
- otiosa Walsingham, 1909 (Eritarbes), see Ithome otiosa
- otiosana (Clemens, 1860) (Epiblema)
- otiosus (Kernback, 1957) ( Enyobathus)
- otis (Fabricius, 1787) (Zizina)
- otis (Zizeeria), see Zizina otis
- otis (Zizera), see Zizina otis
- otis Fabricius, 1787 (Papilio), see Zizina otis
- otisalis (Walker, [1859]) (Salia)
- otisalis Walker, [1859] (Megatomis), see Salia otisalis
- otisi (Dyar, 1904) (Thera)
- otitae (Coleophora (Coleophora)), see Coleophora galbulipennella
- otitae (Coleophora), see Coleophora galbulipennella
- otitae (Hamuliella), see Coleophora galbulipennella
- otitae Zeller, 1839 (Coleophora (Coleophora)), see Coleophora galbulipennella
- otium Schintlmeister & Fang, 2001 (Hexafrenum)
- otlauga (Grose-Smith & Kirby, 1890) (Kakumia)
- otlauga (Liptena), see Kakumia otlauga
- otlauga Grose-Smith & Kirby, 1890 (Durbania), see Kakumia otlauga
- Otnjukovia Zhdanko, 1997 (Polyommatinae)
- oto (Hewitson, 1855) ( Gretamorgane)
- oto (Hymenitis), see Greta morgane oto
- oto (Hypoleria), see Greta morgane oto
- oto Hewitson, 1855 (Ithomia), see Greta morgane oto
- otoheba Dyar, 1914 (Thecla), see Electrostrymon dominicana
- otolais Bates, 1864 (Pyrrhogyra)
- otolais (Pyrrhogyra), see Pyrrhogyra neaerea hypsenor
- otolais Boisduval, 1870 (Corybas), see Pyrrhogyra neaerea hypsenor
- Otonoma Meyrick, 1897 (Cosmopteriginae)
- otoptera Meyrick, 1906 (Imma)
- otoptila (Turner, 1913) (Mesciniadia)
- otoptila Turner, 1913 (Ecbletodes), see Mesciniadia otoptila
- ?otos Fruhstorfer, 1903 (Parnassius hardtwicki[sic] ab. ), see Parnassius hardwickii
- otos, see Parnassius hardwickii
- Otosema Hübner, 1823 (Erebinae), see Ascalapha
- otraeda (Hewitson, 1863) (Pilodeudorix)
- otraeda (Deudorix (Hypokopelates)), see Pilodeudorix otraeda
- otraeda (Hypokopelates), see Pilodeudorix otraeda
- otraeda Hewitson, 1863 (Myrina), see Pilodeudorix otraeda
- otrea (Mycalesis), see Mycalesis mineus
- otrea Stoll, [1780] (Papilio), see Mycalesis mineus
- otregata Povolný, 1972 (Scrobipalpa)
- otregiata (Metcalfe, 1917) (Lampropteryx)
- otregiata (Lamproperyx otregiata), see Lampropteryx otregiata otregiata
- otregiata Metcalfe, 1917 (Cidaria), see Lampropteryx otregiata
- otregimima Bryk, 1948 (Cidaria minna), see Lampropteryx minna
- otrere (Hübner, 1825) (Memphis)
- otrere Hübner, 1825 (Anaea), see Memphis otrere
- otreus Stoll, [1780] (Papilio), see Ephyriades arcas philemon
- otriades (Hewitson, 1867) (Chrysoplectrum)
- otriades (Eudamus), see Chrysoplectrum otriades
- otriades Hewitson, 1867 (Eudamus), see Chrysoplectrum otriades
- Otroeda Walker, 1854 (Lymantriinae)
- otsi[sic] (Thera), see Thera otisi
- otsukai Takanami & Seki, 1990 (Allotinus)
- ottawana Kearfott, 1907 ( Carposinaniponensis)
- otteni Murzin & Sinyaev, 2003 ( Erebiakefersteinii)
- ottilia Fruhstorfer, 1898 ( Symbrenthiahypselis)
- otto (Bryk & Eisner, 1932) ( Parnassiuscharltonius)
- otto (Kailasius charltonius), see Parnassius charltonius otto
- otto Bryk & Eisner, 1932 (Kailasius charltonius), see Parnassius charltonius otto
- ottobonis [= ottobonus?] (Cupido lacturnus), see Cupido lacturnus
- ottobonus Seitz, [1924] (Everes), see Cupido lacturnus
- ottoe Edwards, 1866 (Hesperia)
- ottoe (Erynnis), see Hesperia ottoe
- ottoi (Schawerda, 1923) (Aegle)
- ottoi Schawerda, 1923 (Metoponia), see Aegle ottoi
- Ottolenguia Beutenmüller, 1896 (Thyrididae), see Hexeris
- ottolenguii (Dyar, 1903) (Syngrapha)
- ottolenguii (Autographa), see Syngrapha ottolenguii
- ottolenguii Dyar, 1903 (Autographa), see Syngrapha ottolenguii
- ottomana (Röber, 1896) ( Speyeriaaglaja)
- ottomana (Butler, 1869) ( Amathuxidiaamythaon)
- ottomana Herrich-Schäffer, [1847] (Erebia)
- ottomana (Argynnis aglaja), see Speyeria aglaja ottomana
- ottomana (Lycaena (Heodes)), see Lycaena ottomanus
- ottomana (Lycaena), see Lycaena ottomanus
- ottomana (Scythris), see Scythris moldavicella
- ottomana Butler, 1869 (Amathusia), see Amathuxidia amythaon ottomana
- ottomana Draudt, 1931 (Acronycta euphorbiae f. ), see Acronicta euphorbiae
- ottomana Jäckh, 1978 (Scythris), see Scythris moldavicella
- ottomana Koçak, 1990, see Conisania luteago
- ottomana Röber, 1896 (Argynnis aglaja var. ), see Speyeria aglaja ottomana
- ottomanus (Lefèbvre, 1830) (Lycaena)
- ottomanus (Heodes), see Lycaena ottomanus
- ottomanus (Polyommatus), see Lycaena ottomanus
- ottomanus Lefèbvre, 1830 (Polyommatus), see Lycaena ottomanus
- otton Korshunov, 1996, see Patricius lucifera selengensis
- ottonia Semper, 1890 ( Deliashenningia)
- ottonis (Rothschild & Jordan, 1903) (Hemaris)
- ottonis (Alphéraky, 1895) (Xestia)
- ottonis Fruhstorfer, 1907 ( Iraotarochana)
- ottonis (Fruhstorfer, 1900) ( Laringacastelnaui)
- ottonis Röber, 1907 ( Pierisbrassicae)
- ?ottonis (Euthalia), see Euthalia monina cordata
- ?ottonis Fruhstorfer, 1899 (Euthalia), see Euthalia monina cordata
- ?ottonis Fruhstorfer, 1900 (Euthalia), see Euthalia monina cordata
- ottonis (Acytolepis puspa), see Acytolepis puspa cagaya
- ottonis (Euthalia monina cordata f. ), see Euthalia monina cordata
- ottonis (Gymnelia), see Gymnelia jordani
- ottonis (Lycaenopsis puspa), see Acytolepis puspa cagaya
- ottonis (Melitaea phoebe), see Melitaea phoebe phoebe
- ottonis (Nyctemera), see Chiromachla restrictum
- ottonis Alphéraky, 1895 (Agrotis staudingeri var. ), see Xestia ottonis
- ottonis Aurivillius, 1899 (Papilio kirbyi var. ), see Graphium kirbyi
- ottonis Fruhstorfer, 1900 (Eurytela fruhstorferi), see Laringa castelnaui ottonis
- ottonis Fruhstorfer, 1907 (Temenis laothoe pseudolaothoe ♀ f. ), see Temenis laothoe laothoe
- ottonis Fruhstorfer, 1909 (Erebia evias), see Erebia triarius
- ottonis Fruhstorfer, 1910 (Cyaniris puspa), see Acytolepis puspa cagaya
- ottonis Fruhstorfer, 1917 (Melitaea phoebe), see Melitaea phoebe phoebe
- ottonis Riffarth, 1900 (Heliconius phyllis ab. ), see Heliconius erato venustus
- ottonis Rothschild & Jordan, 1903 (Haemorrhagia staudingeri), see Hemaris ottonis
- ottonis Rothschild, 1913 (Gymnelia), see Gymnelia jordani
- ottonis Strand, 1909 (Deilemera restricta ab. ), see Chiromachla restrictum
- ottonisbanghaasi Bryk, 1949 (Diarsia ruficauda), see Diarsia pacifica
- ottonius Fruhstorfer, 1909 ( Parnassiusapollo)
- ottusa Berio, 1973 (Acrapex)
- otus (Drury, 1773) (Pachypasa)
- Otus Hübner, [1819] (Macroglossinae), see Darapsa
- otus Drury, 1773 (Sphinx), see Pachypasa otus
- otus Drury, [1770] (Sphinx), see Pachypasa otus
- otysalis Walker, 1859 (Botys), see Haritalodes derogata
- ou (Guenée, 1852) (Rachiplusia)
- ou Guenée, 1852 (Plusia), see Rachiplusia ou
- oualiri Brevignon, 2002 (Cyclargus)
- ouana Strand, 1917 (Phytometra ou ab. ), see Rachiplusia ou
- ouang (Oberthür, 1891) (Lycaena)
- ouang (Helleia), see Lycaena ouang
- ouang Oberthür, 1891 (Chrysophanus), see Lycaena ouang
- oubanguensis Libert & Collins, 1999 (Cephetola)
- oubanguiensis Minig, 1975 ( Charaxesbocqueti)
- oubie (Guérin-Méneville, 1849) (Bunaeopsis)
- oubie Guérin-Méneville, 1849 (Bombyx), see Bunaeopsis oubie
- Oudejansia (Coleophoridae), see Coleophora
- Oudejansia Capuse, 1973 (Coleophoridae), see Coleophora
- oudemansi Strand, 1912 (Papilio machaon ab. ), see Papilio machaon
- oudianella (Lucas, 1942) (Isophrictis)
- oudianella Lucas, 1942 (Paltodora), see Isophrictis oudianella
- oudini Le Moult & Réal, 1962 (Morpho peleides imataca f. ), see Morpho helenor tucupita
- oudini Le Moult, 1931 (Agrias claugia lugina ab. ), see Agrias claudina lugens
- oudini Le Moult, 1940 (Helicopis f. ), see Helicopis cupido cupido
- ouedella (Chrétien, 1908) (Aristotelia)
- ouedella Caradja, 1920 (Metzneria), see Metzneria neuropterella
- ouedella Chrétien, 1908 (Apodia), see Aristotelia ouedella
- ouella Strand, 1917 (Phytometra ou ab. ), see Rachiplusia ou
- ouesso (Jackson, 1962) (Cephetola)
- ouesso (Stempffer, 1962) (Eresiomera)
- ouesso Stempffer, Bennett & May, 1974 (Liptena)
- ouesso (Epitola), see Cephetola ouesso
- ouesso (Pseuderesia), see Eresiomera ouesso
- ouesso Jackson, 1962 (Epitola), see Cephetola ouesso
- ouesso Stempffer, 1962 (Pseuderesia), see Eresiomera ouesso
- oufraouica Hofmann & Reiss, 1981, see Zygaena algira telealgira
- ougarra [= owgarra] (Asura), see Asura owgarra
- ougarra [= owgarra] (Calamidia), see Semicalamidia owgarra
- ougarra [= owgarra] (Diacrisia ougarra), see Spilarctia owgarra owgarra
- ougarra [= owgarra] (Spilosoma), see Spilarctia owgarra
- ougarra Hampson, 1912 (Giaura), see Giaura owgarra
- ouida Hewitson, 1866 (Dodona)
- ouka Rungs, 1973 ( Chersotisrungsi)
- oukaimedenensis Traugott-Olsen, 1988 (Elachista)
- oula Dyar, 1913 (Bagisara)
- Ouleus Lindsey, 1925 (Pyrginae)
- oulita (Hewitson, 1859) (Hyalyris)
- oulita (Hyaliris), see Hyalyris oulita
- oulita (Hypothiris), see Hyalyris oulita
- oulita Hewitson, 1859 (Ithomia), see Hyalyris oulita
- Oulobophora Staudinger, 1892 (Larentiinae)
- ouma Dognin, 1891 (Perisama)
- oumbiana Ungemach, 1932 (Acraea safie antinorii ab. ), see Telchinia safie antinorii
- ouocco Dyar, 1914 (Eulepidotis)
- ouranus Stoll, [1781] (Papilio), see Notheme erota erota
- Ourapterix (Ennominae), see Ourapteryx
- Ourapteryx Leach, 1814 (Ennominae)
- ouria (Collenette, 1938) (Arctornis)
- ouria Collenette, 1931 (Euproctis)
- ouria Collenette, 1928 (Callopistria)
- ouria Collenette, 1938 (Cobanilla), see Arctornis ouria
- Ourochnemis (Riodinidae), see Ourocnemis
- Ourocnemis Baker, 1887 (Riodinidae)
- oustoni [= owstoni] (Amata), see Amata owstoni
- outeniqua Swanepoel & Vári, 1983 (Lepidochrysops)
- outeniqua Vári, 1971 ( Tarsoceracassus)
- outina Ferguson, 1969 (Nemoria)
- outis (Skinner, 1894) (Cogia)
- outis (Thorybes), see Cogia outis
- ouvrardi Watkins, 1928 ( Hestinanicevillei)
- ouvrardi Oberthür, 1920 ( Atrophaneuradasarada)
- ouvrardi (Byasa dasarada), see Atrophaneura dasarada ouvrardi
- ouvrardi (Diagora), see Hestina nicevillei ouvrardi
- ouvrardi Oberthür, 1920 (Papilio (Byasa) ravana), see Atrophaneura dasarada ouvrardi
- ouvrardi Riley, 1939 (Thecla), see Teratozephyrus arisanus picquenardi
- ouwah (Catocala fratercula), see Catocala micronympha
- ouwah Poling, 1901 (Catocala), see Catocala micronympha
- ouzlii Hoffmann & Reiss, 1984 ( Zygaenabeatrix)
- ovada (Nyctemera), see Nyctemera latistriga
- ovada Fruhstorfer, see Dicallaneura ribbei ovada
- ovada Swinhoe, 1903 (Deilemera), see Nyctemera latistriga
- ovafricta Holloway, 2008 (Sartagine)
- ovale Hampson, 1894 (Idopterum)
- ovalella Issiki, 1931 (Paramartyria)
- ovaliger (Blanchard, 1975) (Goya)
- ovaliger Blanchard, 1975 (Atopothoures), see Goya ovaliger
- ovalis Evans, 1937 (Celaenorrhinus)
- ovalis (Grote, 1883) (Ptichodis)
- ovalis Guenée, 1852 (Abrostola)
- ovalis (van Eecke, 1929) ( Vaneeckeiapallidifascia)
- ovalis (Packard, 1873) (Telethusia)
- ovalis Ragonot, 1891 (Arispe)
- ovalis (Dolgoma), see Eilema ovalis
- ovalis (Fabriciana niobe), see Fabriciana niobe
- ovalis Bryk, 1953 (Crocozona f. ), see Crocozona fasciata fasciata
- ovalis Cabeau, 1930 (Argynnis), see Speyeria aglaja
- ovalis Fang, 2000, see Eilema ovalis
- ovalis Lempke, 1956 (Fabriciana niobe f. ), see Fabriciana niobe
- ovalis van Eecke, 1929 (Stauropus), see Vaneeckeia pallidifascia ovalis
- ovalisquamosa Ball, 1914 (Lycaena icarus f. aest. ), see Polyommatus icarus
- ovallei Bell, 1938 ( Thespieustihoneta)
- ovata Watson, 1968 (Callidrepana)
- ovata Park & Ponomarenko, 1999 (Hypatima)
- ovata (Walsingham, 1881) (Xylorycta)
- ovata Rothschild & Jordan, 1907 (Milionia)
- ovata Rothschild, 1910 (Virbia)
- ovata Berio, 1977 (Cerynea)
- ovata (Grote, 1873) (Acronicta)
- ovata (Rothschild, 1896) (Rhosus)
- ovata Berio, 1977 (Ozarba)
- ovata (Dognin, 1900) (Xenorma)
- ovata (Schaus, 1896) (Megalopyge)
- ovata (Acronycta), see Acronicta ovata
- ovata (Antaeotricha), see Xylorycta ovata
- ovata Bethune-Baker, 1908 (Epicydas), see Cotana albomaculata
- ovata Braun, 1912 (Chalceopla), see Cauchas simpliciella
- ovata Distant, 1876 (Mechanitis), see Mechanitis polymnia isthmia
- ovata Dognin, 1900 (Phaeochlaena), see Xenorma ovata
- ovata Grote, 1873 (Acronycta), see Acronicta ovata
- ovata Rothschild, 1896 (Pycnodontis), see Rhosus ovata
- ovata Schaus, 1896 (Cyclara), see Megalopyge ovata
- ovata Walsingham, 1881 (Antaeotricha), see Xylorycta ovata
- ovatella (Walker, 1864) (Stenoma)
- ovatella Park & Heppner, 2001 (Deltoplastis)
- ovatella (Antaeotricha), see Stenoma ovatella
- ovatella Walker, 1864 (Cryptolechia), see Stenoma ovatella
- ovatia Schintlmeister & Fang, 2001 (Besaia)
- ovatiella Opler, 1969 (Caloptilia)
- ovchinnikovi (Lukhtanov & Dantchenko, 2002) ( Polyommatusripartii)
- ovchinnikovi Lukhtanov & Dantchenko, 2002 (Agrodiaetus ripartii), see Polyommatus ripartii ovchinnikovi
- ?ovendenia Tutt, 1905 (Pterophorinae), see Hellinsia
- Ovendenia Tutt, 1905 (Pterophorinae), see Oidaematophorus
- Ovenna Birket-Smith, 1965 (Lithosiinae)
- overbergensis Heath & Pringle, 2004 (Thestor)
- overdijkingi ( Arhopalaoverdijkinki)
- overdijkingi (Narathura overdijkinki), see Arhopala overdijkinki overdijkingi
- overdijkinki Prout, 1932 (Egnasia)
- overdijkinki Toxopeus, 1929 ( Nacadubaglauconia)
- overdijkinki Corbet, 1941 (Arhopala)
- overdijkinki Corbet, 1941 ( Horagaamethystus)
- overdijkinki (Arhopala overdijkinki), see Arhopala overdijkinki overdijkingi
- overdijkinki (Narathura), see Arhopala overdijkinki
- overhaldensis Strand, 1920 (Gelechia)
- overlaeti Kühne, 2007 (Siccia)
- overlaeti Libert, 1996 (Lachnocnema)
- overlaeti Libert, 1999 (Cephetola)
- overlaeti Stempffer & Bennett, 1963 (Falcuna)
- overlaeti Stempffer, Bennett & May, 1974 (Liptena)
- overlaeti Stempffer, 1947 (Ornipholidotos)
- overlaeti Berger, 1953 ( Aphnaeusorcas)
- overlaeti Stempffer, 1956 (Chloroselas)
- overlaeti (Bouyer, 1998) (Cigaritis)
- overlaeti Schouteden, 1934 (Charaxes)
- overlaeti Pierre, 1988 (Acraea)
- overlaeti Hulstaert, 1926 (Euphaedra)
- overlaeti Condamin, 1965 ( Bicyclussophrosyne)
- overlaeti Berger, 1981 ( Mylothrisbernice)
- overlaeti (Aphnaeus), see Chloroselas overlaeti
- overlaeti (Cymothoe), see Cymothoe herminia johnstoni
- overlaeti (Hippurarctia vicini[sic]), see Hippurarctia ferrigera
- overlaeti (Pseudacraea kunowi gottbergi ab. ), see Pseudacraea kuenowii kuenowii
- overlaeti Berger (Paracleros), see Paracleros substrigata
- overlaeti Berger, 1940 (Colias electo electo ♀ f. ), see Colias electo electo
- overlaeti Berger, 1950 (Papilio demodocus ab. ), see Papilio demodocus demodocus
- overlaeti Berger, 1981 (Pseudacraea kunowi gottbergi ab. ), see Pseudacraea kuenowii kuenowii
- overlaeti Berio, 1964 (Eligma), see Eligma bettiana
- overlaeti Kiriakoff, 1953 (Hippurarctia vicina), see Hippurarctia ferrigera
- overlaeti Le Moult, 1932 (Prepona joiceyi), see Prepona laertes louisa
- overlaeti Neustetter, 1942 (Cymothoe), see Cymothoe herminia johnstoni
- overlaeti Pennington, 1962 (Neptis), see Neptis kiriakoffi
- Overlaetia Kiriakoff, 1954 (Notodontidae), see Tricholoba
- ovia (Druce, 1893) (Erbessa)
- ovia (Myonia), see Erbessa ovia
- ovia Druce, 1893 (Neolaurona), see Erbessa ovia
- oviana (Fruhstorfer, 1917) (Udara)
- oviana (Celastrina), see Udara oviana
- ovianus Fruhstorfer, 1917 (Lycaenopsis albocoeruleus), see Udara oviana
- ovid Evans, 1951 ( Jemadiahewitsonii)
- ovidius Bryk, 1942 (Calothysanis amataria), see Timandra recompta
- ovidius Fabricius, 1793 (Hesperia), see Emesis cerea cerea
- ovidius Scudder & Burgess, 1870 (Nisoniades), see Erynnis zarucco
- oviduca (Guenée, 1852) (Protorthodes)
- oviduca (Taeniocampa), see Protorthodes oviduca
- oviduca Guenée, 1852 (Taeniocampa), see Protorthodes oviduca
- oviedo Gundlach, 1866 ( Papiliothoas)
- oviedo (Heraclides (Heraclides)), see Papilio thoas oviedo
- oviedo (Heraclides thoas), see Papilio thoas oviedo
- ovifera Dognin, 1906 (Agkonia)
- ovifera Seitz, 1913 (Panara)
- ovifera (Agconia), see Agkonia ovifera
- ovifera (Tuerta), see Agoma trimenii
- ovifera Hampson, 1910 (Tuerta), see Agoma trimenii
- ovifera Le Moult & Réal, 1962 (Morpho (Grasseia) menelaus guyanensis f. ), see Morpho menelaus menelaus
- ovifera Rothschild & Jordan, 1903 (Nephele funebris maculosa f. ), see Nephele maculosa
- oviformis Köhler, 1939 (Oiketicus), see Oiketicus bergii
- ovigera Meyrick, 1913 (Stathmopoda)
- ovilella Réal, 1994 (Anarsia), see Anarsia bilbainella
- ovilla Grote, 1875 (Nola)
- ovilla (Celama), see Nola ovilla
- ovina (Sepp, [1848]) (Norape)
- ovina (Carama), see Norape ovina
- ovina Sepp, [1848] (Phalaena), see Norape ovina
- ovinia (Hewitson, [1866]) (Atrytonopsis)
- ovinia (Thespieus), see Atrytonopsis ovinia
- ovinia Hewitson, [1866] (Hesperia), see Atrytonopsis ovinia
- ovinum Povolný, 2003 (Gnorimoschema)
- Ovios Walker, 1855 (Agaristinae)
- Ovipennis Hampson, 1900 (Lithosiinae)
- oviplaga (Rothschild, 1933) (Delphyre)
- oviplaga Rothschild, 1933 (Automolis), see Delphyre oviplaga
- oviplagalis Walker, [1866] (Tosale)
- ovisigna (Prout, 1918) (Pseudoricia)
- ovisigna Prout, 1918 (Scotura), see Pseudoricia ovisigna
- ovisignata Bethune-Baker, 1908 (Hypena)
- ovita de Freina, 1999 ( Paidiaconjuncta)
- ?ovo [= oro?] (Polyommatus), see Glaucopsyche lygdamus oro
- ovomaculata Hewitson, 1878 (Amblypodia), see Arhopala agesias
- ovomaculata Schnaider, 1950 (Orgyia antiqua ab. ), see Orgyia antiqua
- ovula Park & Ponomarenko, 1996 (Anarsia)
- ovulalis Hampson, 1896 (Coelorhyncidia)
- ovulalis (Guenée, 1854) (Conchylodes)
- ovulata Meyrick, 1911 (Thriophora)
- ovulifera (Meyrick, 1925) (Antaeotricha)
- ovulifera (Stenoma), see Antaeotricha ovulifera
- ovulifera Meyrick, 1925 (Stenoma), see Antaeotricha ovulifera
- ovuliger (Seitz, 1922) (Bernathonomus)
- ovuliger Seitz, 1922 (Opharus), see Bernathonomus ovuliger
- Owadaglaea Hacker & Ronkay, 1996 (Xyleninae)
- owadai Park, 2005 (Nosphistica)
- owadai (Sato, 1987) (Dasyboarmia)
- owadai Yazaki (Dooabia)
- owadai Dubatolov & Kishida, 2005 (Aethalida)
- owadai Dubatolov, Haynes & Kishida, 2009 ( Areasgalactina)
- owadai Kishida 1994 (Nyctemera)
- owadai Kishida, 1991 (Cyana)
- owadai Holloway, 2008 (Bertula)
- owadai Hreblay, Peregovits & Ronkay, 1999 (Amphipyra)
- owadai Hreblay & Ronkay, 1998 (Dasypolia)
- owadai Hayashi, 1976 ( Loxuracassiopeia)
- owadai (Aletia), see Mythimna decisissima
- owadai (Chionaema), see Cyana owadai
- owadai Inoue, see Satoblephara parvularia
- owadai Sato, 1987 (Menophra), see Dasyboarmia owadai
- owadai Sugi, 1982 (Aletia), see Mythimna decisissima
- owadai Vojnits, 1988 (Eupithecia), see Eupithecia melanolopha
- Owadasatara Dubatolov & Kishida, 2005 (Arctiinae), see Satara
- Owambarctia Kiriakoff, 1957 (Ctenuchinae)
- owamboensis Kiriakoff, 1957 (Owambarctia)
- owassae Schultze, 1916 (Cymothoe)
- Owda Johnson, Kruse & Kroenlein, 1997 (Theclinae), see Johnsonita
- owenata McDunnough, 1944 (Eupithecia)
- oweni (Carcasson, 1968) (Phylloxiphia)
- oweni (Swett, 1907) (Macaria)
- oweni (Edwards, 1892) ( Speyeriaegleis)
- oweni Schaus, 1913 (Hermathena)
- oweni (Argynnys hippolyta), see Speyeria egleis oweni
- oweni (Semiothisa), see Macaria oweni
- oweni Barnes, 1906 (Eutricha), see Quadrina diazoma
- oweni Edwards, 1892 (Argynnis), see Speyeria egleis oweni
- oweni Schaus, 1896 (Castrica), see Castrica phalaenoides
- oweni Swett, 1907 (Sciagraphia granitata var. ), see Macaria oweni
- owerri Stempffer, 1961 ( Mimeresiadrucei)
- owerri (Memeresia drucei), see Mimeresia drucei owerri
- owgarra (Bethune-Baker, 1908) (Spilarctia)
- owgarra (Bethune-Baker, 1908) (Asura)
- owgarra (Bethune-Baker, 1908) (Semicalamidia)
- owgarra (Bethune-Baker, 1906) (Ophyx)
- owgarra (Bethune-Baker, 1908) (Cheillophota)
- owgarra (Bethune-Baker, 1908) (Euproctis)
- owgarra (Bethune-Baker, 1908) (Diarsia)
- owgarra Bethune-Baker, 1908 (Caradrina)
- owgarra (Bethune-Baker, 1906) (Giaura)
- owgarra (Bethune-Baker, 1908) (Nola)
- owgarra Prout, 1921 (Risoba)
- owgarra Bethune-Baker, 1906 (Paraduba)
- owgarra (Bethune-Baker, 1906) (Udara)
- owgarra (Calamidia), see Semicalamidia owgarra
- owgarra (Celastrina), see Udara owgarra
- owgarra (Cyaniris), see Udara cardia cardia
- owgarra (Lycaenopsis tenella), see Udara cardia cardia
- owgarra (Pisara), see Nola owgarra
- owgarra (Spilosoma owgarra), see Spilarctia owgarra owgarra
- owgarra (Spilosoma), see Spilarctia owgarra
- owgarra (Udara cardia), see Udara cardia cardia
- owgarra Bethune-Baker, 1906 (Blenina), see Giaura owgarra
- owgarra Bethune-Baker, 1906 (Candalides), see Udara owgarra
- owgarra Bethune-Baker, 1906 (Sinariola), see Ophyx owgarra
- owgarra Bethune-Baker, 1908 (Agrotis), see Diarsia owgarra
- owgarra Bethune-Baker, 1908 (Azura), see Asura owgarra
- owgarra Bethune-Baker, 1908 (Caviria), see Euproctis owgarra
- owgarra Bethune-Baker, 1908 (Cyaniris), see Udara cardia cardia
- owgarra Bethune-Baker, 1908 (Diacrisia), see Spilarctia owgarra
- owgarra Bethune-Baker, 1908 (Echana), see Cheillophota owgarra
- owgarra Bethune-Baker, 1908 (Ilema), see Semicalamidia owgarra
- owgarra Bethune-Baker, 1908 (Pisara), see Nola owgarra
- owimba Scott, 1998 ( Phyciodes(Phyciodes) pulchella)
- owstoni Eliot, 1980 (Bibasis)
- owstoni Rothschild, 1911 (Amata)
- owstoni (Burara), see Bibasis owstoni
- owyheensis Austin & Murphy, 1998 ( Euphydryaseditha)
- owzgarra [= owgarra] (Paraduba), see Paraduba owgarra
- Oxacme Hampson, 1894 (Lithosiinae)
- Oxaenanus Swinhoe, 1900 (Herminiinae)
- oxaites (Hewitson, 1877) (Dalla)
- oxaites Hewitson, 1877 (Cyclopides), see Dalla oxaites
- oxalea (Meyrick, 1910) (Torodora)
- oxalea Meyrick, 1910 (Lecithocera), see Torodora oxalea
- oxalina (Hübner, [1803]) (Mesogona)
- oxalina Hübner, [1803] (Noctua), see Mesogona oxalina
- oxapampa (Bálint, Boyer & Wojtusiak, 2006) (Penaincisalia)
- oxapampa Bálint, Boyer & Wojtusiak, 2006 (Abloxurina), see Penaincisalia oxapampa
- oxapampemsis Le Moult & Réal, 1962 (Morpho papirius), see Morpho helenor papirius
- oxdoxia Swinhoe, 1918 (Patula), see Erebus macfarlanei
- Oxenetra (Pyrrhopyginae), see Oxynetra
- Oxeoschistus Butler, 1867 (Satyrinae)
- oxiana (Djakonov, 1927) (Gluphisia)
- oxiana (Grum-Grshimailo, 1890) ( Lycaenaphlaeas)
- oxiana Djakonov, 1927 (Paragluphisia), see Gluphisia oxiana
- oxiana Grum-Grshimailo, 1890 (Polyommatus phlaeas var. ), see Lycaena phlaeas oxiana
- oxibeliformis Boisduval, 1840 (Sesia), see Synanthedon andrenaeformis
- Oxicesta Hübner, [1819] (Acronictinae)
- oxida (Hewitson, 1870) (Rhamma)
- oxida (Thecla), see Rhamma oxida
- oxida Hewitson, 1870 (Thecla), see Rhamma oxida
- Oxidercia Hübner, [1825] (Eulepidotinae)
- Oxigrapha Hübner, [1825] (Tortricinae), see Acleris
- oxilus Hübner, [1819] (Heraclides), see Papilio cresphontes
- Oxinetra (Pyrrhopyginae), see Oxynetra
- oxinopa Meyrick, 1929 (Eupragia)
- oxione (Hewitson, 1866) (Bebearia)
- oxione (Euryphene), see Bebearia oxione
- oxione Hewitson, 1866 (Euryphene), see Bebearia oxione
- Oxira Walker, 1865 (Noctuinae), see Diarsia
- oxleyi (C. & R. Felder, [1865]) (Zizina)
- ?oxleyi (Neolucia), see Zizina oxleyi
- oxleyi (Cupido), see Zizina oxleyi
- oxleyi C. & R. Felder, [1865] (Lycaena), see Zizina oxleyi
- Oxoia Kiriakoff, 1967 (Stauropinae)
- oxtheca Boursin, 1957 (Rhyacia)
- oxuana Lukhtanov, 1999 (Melitaea fergana), see Melitaea fergana jacobsoni
- oxyacantha Wang, 2004 (Autosticha)
- oxyacanthae (Frey, 1856) (Phyllonorycter)
- oxyacanthae (Linnaeus, 1758) (Allophyes)
- oxyacanthae (Anthophila), see Anthophila fabriciana
- oxyacanthae Fabricius, 1794 (Anthophila), see Anthophila fabriciana
- oxyacanthae Fabricius, 1798 (Crambus), see Anthophila fabriciana
- oxyacanthae Frey, 1856 (Lithocolletis), see Phyllonorycter oxyacanthae
- oxyacanthae Linnaeus, 1758 (Phalaena (Noctua)), see Allophyes oxyacanthae
- oxyacanthana (Herrich-Schäffer, 1851) (Cnephasia)
- oxyacanthana Haworth, 1811, see Archips rosanus
- oxyacanthana[sic?] (Phalaena (Tortrix)), see Anthophila fabriciana
- oxyacanthella (Stainton, 1854) (Stigmella)
- oxyacanthella (Simaethis), see Anthophila fabriciana
- oxyacanthella Duponchel, 1842 (Tinea), see Paraswammerdamia lutarea
- oxyacanthella Linnaeus, 1767 (Phalaena (Tinea)), see Anthophila fabriciana
- oxyacma Meyrick, 1926 (Metachanda)
- Oxyambulyx Rothschild & Jordan, 1903 (Smerinthinae), see Ambulyx
- oxyartes Fruhstorfer, 1909 ( Papilioulysses)
- oxybaphi Clemens, 1859 (Deilephila), see Hyles gallii
- oxybela Meyrick, 1931 (Machimia)
- oxybela Clarke, 1971 (Gonionota)
- oxybela (Boursin, 1963) (Eremohadena)
- oxybela (Pseudohadena), see Eremohadena oxybela
- oxybela Boursin, 1963 (Pseudohadena), see Eremohadena oxybela
- Oxybeles Turner, 1940 (Oecophorinae), see Hemibela
- Oxybelia Hübner, [1825] (Dichomeridinae), see Dichomeris
- oxybeliformis (Herrich-Schäffer, 1846) (Chamaesphecia)
- oxybeliformis Herrich-Schäffer, [1846] (Sesia masriformis var. ), see Chamaesphecia oxybeliformis
- Oxybia Rebel in Staudinger & Rebel, 1901 (Phycitinae)
- oxybialis[sic!] (Crambus), see Metacrambus pallidellus
- oxybiata (Millière, 1872) (Xanthorhoe)
- oxybiella (Millière, 1872) (Symmocoides)
- oxybiella Millière, 1872 (Symmoca), see Symmocoides oxybiella
- oxybiellus Millière, 1872 (Crambus), see Metacrambus pallidellus
- oxybiensis Millière, 1875 (Bryophila), see Cryphia raptricula
- oxycampyla (Turner, 1937) (Scoparia)
- oxycampyla Turner, 1937 (Platytes), see Scoparia oxycampyla
- Oxycanus Walker, 1856 (Hepialidae)
- oxycarpa (Meyrick, 1935) (Dichomeris)
- oxycarpa Meyrick, 1935 (Musurga), see Dichomeris oxycarpa
- oxycedrana (Millière, 1876) (Pammene)
- oxycedrana Millière, 1876 (Grapholitha), see Pammene oxycedrana
- oxycedrata (Rambur, 1833) (Eupithecia)
- oxycedrella (Millière, 1871) (Mesophleps)
- oxycedrella Millière, 1871 (Gelechia), see Mesophleps oxycedrella
- oxycentra Meyrick, 1916 (Antaeotricha)
- oxycentra Meyrick, 1888 (Iodis), see Albinospila floresaria
- oxycentra Meyrick, see Albinospila oxycentra
- Oxyceste Agassiz, [1847] (Acronictinae), see Oxicesta
- Oxychaeta (Theclinae), see Chrysoritis
- Oxychaeta Tite & Dickson, 1973 (Theclinae), see Chrysoritis
- oxychalca Meyrick, 1937 (Gelechia), see Stomopteryx basalis
- Oxycharis Meyrick, 1939 (Oecophorinae)
- oxycharis Meyrick, 1921 (Labdia)
- oxychasta (Meyrick, 1929) (Pseudotelphusa)
- oxychasta Meyrick, 1929 (Telphusa), see Pseudotelphusa oxychasta
- Oxychirotidae (Alucitoidea), see Tineodidae
- oxychlora Meyrick, 1932 (Labdia)
- Oxychora Warren, 1898 (Geometrinae)
- oxychora Prout, 1930 (Acollesis)
- oxychrysa Diakonoff, 1971 (Lepteucosma)
- oxychrysoides Kuznetsov (Lepteucosma)
- Oxycilla Grote, 1896 (Boletobiinae)
- Oxycnemis Grote, 1882 (Psaphidinae)
- oxycoccana (Packard, 1869) (Acleris)
- oxycona Meyrick, 1910 (Lecithocera)
- Oxycrates Meyrick, 1930 (Oecophorinae)
- oxycrates Meyrick, 1932 (Elachista)
- oxycrena Meyrick, 1937 (Parapleuris)
- oxycryptis (Meyrick, 1929) (Kertomesis)
- Oxycryptis (Gelechiinae), see Chionodes
- Oxycryptis Meyrick, 1912 (Gelechiinae), see Chionodes
- oxycryptis Meyrick, 1929 (Symmoca), see Kertomesis oxycryptis
- oxycyma Meyrick, 1888 (Epipristis)
- oxydactylus (Staudinger, 1859) (Marasmarcha)
- oxydactylus Staudinger, 1859 (Pterophorus), see Marasmarcha oxydactylus
- oxydactylus Walker, 1864 (Pterophorus), see Megalorrhipida leucodactylus
- oxydalis (Guenée, 1854) ( Polygrammodesflavidalis)
- oxydata Gozmány, 2008 (Orpecacantha)
- oxydata (Hampson, 1898) (Folka)
- oxydata Schultze, 1934 (Dasychira)
- oxydata (Hypena), see Folka oxydata
- oxydata Hampson, 1898 (Hypena), see Folka oxydata
- oxydata Hampson, 1902 (Euplexia), see Feliniopsis leucostigma
- oxydecta (Meyrick, 1915) (Antaeotricha)
- oxydecta Meyrick, 1915 (Stenoma), see Antaeotricha oxydecta
- oxydella Ragonot, 1887 (Hypochalcia)
- oxydelta (Meyrick, 1913) (Anthonympha)
- oxydelta (Niphonympha), see Anthonympha oxydelta
- oxydelta Meyrick, 1913 (Calantica), see Anthonympha oxydelta
- oxyderces Meyrick, 1890 (Epidesmia)
- Oxydercia Agassiz, 1847 (Eulepidotinae), see Oxidercia
- Oxydia Guenée, 1857 (Ennominae)
- Oxydisia Hampson in Ragonot, 1901 (Phycitinae)
- oxydonta (Glyphipterix), see Glyphipterix dolichophyes
- oxydonta Diakonoff, 1978 (Glyphipteryx), see Glyphipterix dolichophyes
- oxydroma [= ocydroma] (Peronea), see Acleris platynotana
- Oxyelophila Forbes, 1922 (Acentropinae)
- Oxyfidonia Warren, 1905 (Ennominae)
- oxygala (Grote, 1881) (Mythimna)
- oxygala (Aletia), see Mythimna oxygala
- oxygala Grote, 1881 (Heliophila), see Mythimna oxygala
- oxyglossa (Meyrick, 1909) (Cosmopterix)
- oxyglossa Meyrick, 1909 (Cosmopteryx), see Cosmopterix oxyglossa
- oxygnatha Collenette, 1936 (Dasychira)
- Oxygnostis Meyrick, 1925 (Lecithocerinae)
- oxygona (Meyrick, 1891) (Chrysolarentia)
- oxygona (Lower, 1902) (Proteuxoa)
- oxygona (Meyrick, 1894) (Elophila)
- oxygona Meyrick, 1897 (Scoparia)
- oxygona (Xylorycta), see Plectophila discalis
- oxygona Lower, 1902 (Caradrina), see Proteuxoa oxygona
- oxygona Lucas, 1895 (Lichenaula), see Plectophila discalis
- oxygona Meyrick, 1891 (Hydriomena), see Chrysolarentia oxygona
- oxygona Meyrick, 1894 (Hydrocampa), see Elophila oxygona
- oxygonaria (Püngeler, 1900) (Habermannia)
- oxygonata Park, 2010 (Torodora)
- oxygonia Wu & Park, 1999 (Kalocyrma)
- Oxygonitis Hampson, 1893 (Calpinae)
- oxygramma (Lower, 1902) (Symphyta)
- oxygramma Meyrick, 1918 (Thiotricha)
- oxygramma (Hulst, 1896) (Perizoma)
- oxygramma (Meyrick, 1899) (Schrankia)
- oxygramma Boursin, 1963 (Calophasia)
- oxygramma (Geyer, 1832) (Ctenoplusia)
- oxygramma (Agrapha), see Ctenoplusia oxygramma
- oxygramma Geyer, 1832 (Autographa), see Ctenoplusia oxygramma
- oxygramma Hampson, 1894 (Plusia), see Ctenoplusia albostriata
- oxygramma Lower, 1902 (Bombyx), see Symphyta oxygramma
- oxygramma Meyrick, 1899 (Hypenodes), see Schrankia oxygramma
- oxygramma Turner, 1908 (Cosmophylla), see Parapoynx euryscia
- oxygrapha (Meyrick, 1913) (Dichomeris)
- oxygrapha Hacker & Ronkay, 1992 ( Hadenastrouhali)
- Oxygrapha Stainton, 1859 (Tortricinae), see Acleris
- oxygrapha (Trichotaphe), see Dichomeris oxygrapha
- oxygrapha Meyrick, 1913 (Trichotaphe), see Dichomeris oxygrapha
- oxygrapha Varga, 1976 (Apamea maillardi), see Apamea maillardi maillardi
- oxyina (Meyrick, 1883) (Borkhausenia)
- oxyina Meyrick, 1883 (Cremnogenes), see Borkhausenia oxyina
- oxyina Meyrick, 1884 (Cremnogenes), see Borkhausenia oxyina
- Oxylechia Meyrick, 1917 (Gelechiinae)
- oxyleuca (Meyrick, 1915) (Labdia)
- oxyleuca Meyrick, 1912, see Suleima baracana
- oxyleuca Meyrick, 1915 (Pyroderces), see Labdia oxyleuca
- Oxylides Hübner, [1819] (Theclinae)
- oxylitha Meyrick, 1929 (Heteroderces)
- oxyloba Meyrick, 1929 (Gnorimoschema), see Pachygeneia clitellaria
- oxylopha (Capelica), see Egone atrisquamata
- oxylopha Turner, 1902 (Eutelia), see Targalla plumbea
- oxylopha Turner, 1944 (Capelica), see Egone atrisquamata
- Oxylos Grote, 1875 (Heliothinae), see Schinia
- oxylus (Fawcett, 1917) (Trachea)
- oxylus (Trimen, 1881) (Dira)
- oxylus (Leptoneura), see Dira oxylus
- oxylus Fawcett, 1917 (Parastichtis), see Trachea oxylus
- oxylus Fruhstorfer, 1915 (Gerydus boisduvali), see Miletus boisduvali boisduvali
- oxylus Trimen, 1881 (Leptoneura), see Dira oxylus
- Oxymacaria Warren, 1894 (Ennominae)
- oxymacha (Meyrick, 1893) (Erechthias)
- oxymacha Meyrick, 1893 (Ereunetis), see Erechthias oxymacha
- oxymeris (Meyrick, 1929) (Sriferia)
- oxymeris Meyrick, 1929 (Epithectis), see Sriferia oxymeris
- oxymetopa (Turner, 1941) (Crypsiprora)
- oxymetopa (Crysiprora), see Crypsiprora oxymetopa
- oxymetopa Turner, 1941 (Crysiprora), see Crypsiprora oxymetopa
- oxymorpha Meyrick, 1916 (Nasamonica)
- oxymorus Grote, 1873 (Admetovis)
- Oxynetra C. & R. Felder, 1862 (Pyrrhopyginae)
- oxynius (Geyer, [1827]) (Papilio)
- oxynius (Heraclides), see Papilio oxynius
- oxynius Geyer, [1827] (Laertias), see Papilio oxynius
- oxynthas (Fruhstorfer, 1911) ( Tirumalachoaspes)
- oxynthas Fruhstorfer, 1911 (Danaida choaspes), see Tirumala choaspes oxynthas
- Oxynthes Godman in Godman & Salvin, [1900] (Hesperiinae)
- oxyntis (Meyrick, 1891) (Chaetolopha)
- oxyntis Meyrick, 1891 (Scordylia), see Chaetolopha oxyntis
- Oxyodes Guenée in Boisduval & Guenée, 1852 (Erebinae)
- oxyodonta Prout, 1934 (Epipristis)
- oxyodonta (Turner, 1922) (Chrysolarentia)
- oxyodonta Turner, 1922 (Euphyia), see Chrysolarentia oxyodonta
- oxyopis Meyrick, 1927 (Thiotricha)
- Oxypages Turner, 1941 (Oecophorinae), see Hemibela
- Oxypalpus Holland, 1892 (Hesperiinae), see Teniorhinus
- Oxypalpus Watson, 1893 (Hesperiinae), see Teniorhinus
- oxypetra Meyrick, 1935 (Hyposmocoma)
- oxypetra (Hyposmochoma), see Hyposmocoma oxypetra
- oxypeuces Turner, 1939 (Trachydora)
- oxypeuces (Turner, 1927) (Atholosticta)
- oxypeuces Turner, 1933 (Tapinogyna)
- oxypeuces (Borkhausenia), see Atholosticta oxypeuces
- oxypeuces Turner, 1927 (Eulechria), see Atholosticta oxypeuces
- oxyphaea Meyrick, 1913 (Coleophora)
- Oxyphanes Turner, 1936 (Geometrinae)
- oxyphanes Meyrick, 1904 (Megacraspedus)
- oxyphrontis Meyrick, 1930 (Metachanda)
- oxyphylla Meyrick, 1921 (Ocyphron)
- oxyplaga (Meyrick, 1929) (Chlamydastis)
- oxyplaga Meyrick, 1929 (Ptilogenes), see Chlamydastis oxyplaga
- oxyplecta Meyrick, 1916 (Scythris)
- oxyplecta (Arotrura), see Scythris oxyplecta
- oxypora Meyrick, 1908 (Procometis)
- oxyprora (Meyrick, 1922) (Palumbina)
- oxyprora (Bethune-Baker, 1911) (Fodina)
- oxyprora (Nechilo), see Nechilo macrogona
- oxyprora Bethune-Baker, 1911 (Baniana), see Fodina oxyprora
- oxyprora Fletcher, 1957 (Panilla minima), see Panilla minima
- oxyprora Meyrick, 1922 (Thyrsostoma), see Palumbina oxyprora
- oxyprora Turner, 1904 (Chilo), see Nechilo macrogona
- oxyptera Rothschild & Jordan, 1916 ( Temnoragriseata)
- oxyptera (Lower, 1900) (Leptozestis)
- oxyptera (Lower, 1894) (Hemibela)
- oxyptera Meyrick, 1890 (Scieropepla)
- oxyptera Collenette, 1936 (Euproctis)
- oxyptera Gyulai & Varga, 1998 (Conisania)
- oxyptera (Hippomacha), see Hemibela oxyptera
- oxyptera Esper, 1788 (Phalaena (Noctua)), see Simyra nervosa
- oxyptera Esper, 1796 (Phalaena (Noctua)), see Simyra nervosa
- oxyptera Lower, 1894 (Ocystola), see Hemibela oxyptera
- oxyptera Lower, 1900 (Syntomactis), see Leptozestis oxyptera
- oxyptera Lower, 1903 (Nearcha), see Nearcha ursaria
- oxypteraria (Guenée) (Pycnoneura)
- oxypteraria Guenée (Achlora), see Pycnoneura oxypteraria
- Oxypteron Staudinger, 1871 (Tortricinae)
- oxypteron (Henotesia), see Heteropsis avelona
- oxypteron (Heteropsis), see Heteropsis avelona
- oxypteron Oberthür, 1916 (Culapa), see Heteropsis avelona
- oxypterus Le Moult & Réal, 1962 (Morpho deidamia), see Morpho deidamia electra
- Oxypteryx Rebel, 1911 (Dichomeridinae)
- oxyptila Meyrick, 1928 (Pyroderces)
- oxyptila (Turner, 1937) (Philobota)
- oxyptila (Eulechria), see Philobota oxyptila
- oxyptila (Machaeritis), see Oxythecta hieroglyphica
- oxyptila Turner, 1937 (Eulechria), see Philobota oxyptila
- oxyptila Turner, 1944 (Machaeritis), see Oxythecta hieroglyphica
- Oxyptilus Zeller, 1841 (Pterophorinae)
- Oxysactis Meyrick, 1923 (Dichomeridinae), see Dichomeris
- oxyschista Meyrick, 1925 (Stenoma)
- oxyscia Meyrick, 1922 (Stenoma)
- Oxyscopa Meyrick, 1926 (Oecophorinae)
- oxysema (Meyrick, 1897) (Labdia)
- oxysema (Lower, 1903) (Dolopsis)
- oxysema (Philobota), see Dolopsis oxysema
- oxysema (Pyroderces), see Labdia oxysema
- oxysema Lower, 1903 (Philobota), see Dolopsis oxysema
- oxysema Meyrick, 1897 (Pyroderces), see Labdia oxysema
- oxyspila (Meyrick, 1909) (Syncopacma)
- oxyspila Boursin, 1968 (Hermonassa)
- oxyspila Meyrick, 1909 (Anacampsis), see Syncopacma oxyspila
- oxystola Meyrick, 1913 (Polyhymno)
- oxystoma (Turner, 1939) (Dinophalus)
- oxystoma Turner, 1939 (Enchocrana), see Dinophalus oxystoma
- Oxyteninae (Saturniidae)
- Oxytenis Hübner, [1819] (Oxyteninae)
- Oxytenus (Oxyteninae), see Oxytenis
- Oxythaphora Dyar, 1917 (Hadeninae)
- oxytheces Meyrick, 1904 (Thiotricha)
- Oxythecta Meyrick, 1883 (Oecophorinae)
- oxythectis Meyrick, 1929 (Aristotelia), see Ephysteris aulacopis
- Oxythres Druce, 1900 (Hadeninae)
- Oxytinea Diakonoff, [1968] (Myrmecozelinae), see Moerarchis
- oxytoma (Meyrick, 1897) (Labdia)
- oxytoma (Stagmatophora), see Labdia oxytoma
- oxytoma Meyrick, 1897 (Pyroderces), see Labdia oxytoma
- oxytona (Turner, 1916) (Eulechria)
- oxytona (Meyrick, 1893) (Erechthias)
- oxytona (Ocystola), see Eulechria oxytona
- oxytona Meyrick, 1893 (Endophthora), see Erechthias oxytona
- oxytona Turner, 1916 (Ocystola), see Eulechria oxytona
- oxytona Turner, 1926 (Amelora), see Amelora sparsularia
- oxytora (Meyrick, 1885) (Tachystola)
- oxytora (Machaeritis), see Tachystola oxytora
- oxytora Meyrick, 1885 (Ocystola), see Tachystola oxytora
- Oxytoxia Mabille, 1904 (Trapezitinae), see Toxidia
- Oxytripia Staudinger in Staudinger & Wocke, 1871 (Xyleninae)
- Oxytropha Diakonoff, 1954 (Hypertrophinae)
- oxytropidis (Martini, 1912) (Cydia)
- oxytropidis Martini, 1912 (Grapholitha), see Cydia oxytropidis
- oxytropis Boisduval, [1828] (Zygaena)
- Oxytrypia (Xyleninae), see Oxytripia
- Oxytrypia Staudinger in Staudinger & Wocke, 1871 (Xyleninae), see Oxytripia
- oxytypa Meyrick, 1923 (Sclerograptis)
- oxytypa (Elachista (Elachista)), see Elachista alpinella
- oxytypa (Elachista), see Elachista alpinella
- oxytypa Braun, 1948 (Elachista), see Elachista alpinella
- oxytypa Turner, 1903 (Epiplema), see Epiplema quadristrigata
- oxyxantha (Coesyra), see Aeolothapsa malacella
- oxyxantha Meyrick, 1914 (Coesyra), see Aeolothapsa malacella
- oxyzona Meyrick, 1897 (Trachydora)
- oxyzona (Meyrick, 1910) (Antiochtha)
- oxyzona Meyrick, 1910 (Onebala), see Antiochtha oxyzona
- oyamana (Matsumura, 1931) (Oroplema)
- oyamana Matsumura, 1931 (Epiplema), see Oroplema oyamana
- oyarzuni Ureta, 1938 (Eroessa chilensis[sic] f. ), see Eroessa chiliensis
- oyarzuni Ureta, 1940 (Eroessa f. ), see Eroessa chiliensis
- Oylothrix Clemens, 1860 (Megalopygidae), see Megalopyge
- ozada Parsons, 1986 (Mimene)
- Ozamia Hampson in Ragonot, 1901 (Phycitinae)
- ozana Fruhstorfer, 1914 ( Arhopalahellada)
- ozararia (Walker, 1860) (Godonela)
- ozararia (Semiothisa), see Godonela ozararia
- ozararia Walker, 1860 (Evarzia), see Godonela ozararia
- Ozarba Walker, 1865 (Eustrotiinae)
- ozarbica (Hampson, 1910) (Pseudozarba)
- ozarbica Hampson, 1910 (Eustrotia), see Pseudozarba ozarbica
- ozarkae Masters, 1968 ( Euphydryasphaeton)
- ozarkensis Rindge, 1973 (Nepterotaea)
- ozea (Fruhstorfer, 1916) ( Jamidesalecto)
- ozea Fruhstorfer, 1916 (Lampides elpis eurysaces f. ), see Jamides alecto ozea
- ozeini Parenti, 2004 (Elachista)
- ozela Swinhoe, 1899 (Cosmia), see Oglasa separata
- ozema (Antigonus), see Mylon pelopidas
- ozema (Eudamidas), see Mylon pelopidas
- ozema (Mylon), see Mylon pelopidas
- ozema Butler, 1870 (Achlyodes), see Mylon pelopidas
- ozeta Plötz, 1882 (Hesperia), see Cobalus calvina
- ozia (Hewitson, 1870) (Pteronymia)
- ?ozia (=pteronymia tucuna), see Pteronymia gertschi
- ozia (Ithomia), see Pteronymia ozia
- ozia Hewitson, 1870 (Ithomia), see Pteronymia ozia
- ozias (Hewitson, 1878) (Lychnuchoides)
- ozias Hewitson, 1878 (Astictopterus), see Lychnuchoides ozias
- ozina Evans, 1955 ( Lychnuchoidesozias)
- ozinta (Schaus, 1902) ( Actinotedicaeus)
- ozinta (Acraea), see Actinote dicaeus ozinta
- ozinta (Altinote dicaeus), see Actinote dicaeus ozinta
- ozinta Schaus, 1902 (Acraea), see Actinote dicaeus ozinta
- oziphona Dyar, 1916 (Bryomina), see Properigea loculosa
- Ozodania Dyar, 1899 (Lithosiinae), see Cisthene
- ozodes Meyrick, 1917 (Epermenia)
- Ozola Walker, 1861 (Desmobathrinae)
- ozolia Fruhstorfer, 1910, see Appias pandione ozolia
- ozolica Hampson, 1910 (Corgatha)
- ozolicoides (Berio, 1954) (Corgatha)
- ozolicoides Berio, 1954 (Sophtha), see Corgatha ozolicoides
- ozolis Martin, [1923] (Adelpha valentina), see Adelpha justina valentina
- ozomene (Godart, 1819) (Actinote)
- ozomene (Acraea), see Actinote ozomene
- ozomene (Altinote ozomene), see Actinote ozomene ozomene
- ozomene (Altinote), see Actinote ozomene
- ozomene Godart, 1819 (Acraea), see Actinote ozomene
- Ozonadia (Lithosiinae), see Cisthene
- Ozoperyx Saalmüller, 1891 (Erebinae), see Pericyma
- ozora (Druce, 1883) (Dasysphinx)
- ozora Hewitson, 1870 (Mesosemia)
- ozora (Sarosa), see Dasysphinx ozora
- ozora Druce, 1883 (Homoeocera), see Dasysphinx ozora
- ozora Fruhstorfer, 1916 (Agrias amydon), see Agrias amydon zenodorus
- ozora Swinhoe, 1902 (Monoctenia), see Arhodia lasiocamparia
- ozota Butler, 1870 (Carystus), see Cobalus calvina
- ozotes Butler, 1870 (Achlyodes), see Achlyodes pallida
- Ozotrypetes Common, 2000 (Oecophorinae)
- ozureoides Reiss, 1953, see Zygaena rhadamanthus azurea
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