Lepidoptera
A - B - C - D - E - F - G - H - J - K - L - M - N - O - P - Q - R - S - T - U - V - X - Y - Z
- iacchus (Fabricius, 1775) Trapezites Hesperiidae
- ianthe (Doubleday, 1842) Belenois Pieridae
- ianthe (Fabricius, 1781) Phyciodes Nymphalidae
- ianthe atra Röber, 1915 Phyciodes Nymphalidae
- iasis Hewitson, 1865 Iolaus Lycaenidae
- iberica von Mentzer, 1980 Eilema Arctiidae TYPUS
- iberica Staudinger, 1871 Zygaena Zygaenidae
- iberica (Templado & Ortiz) Cerura Notodontidae
- ibericalis Ragonot, 1894 Metasia Pyralidae
- ibex Wallengren, 1860 Hepiolus Hepialidae TYPUS
- ibipennella Zeller, 1839 Coleophora Coleophoridae
- ibizaria von Mentzer, 1980 Idaea Geometridae TYPUS
- iboina (Karsch, 1870) Henotesia Nymphalidae
- icarioides Boisduval, 1852 Cupido Lycaenidae
- icarius (Esper, 1777) Polyommatus Lycaenidae
- icarus (Cramer, 1775) Castnia Castniidae
- icarus (Rottemburg, 1775) Polyommatus Lycaenidae
- icarus bellicarus Bryk, 1940 Polyommatus Lycaenidae TYPUS
- icarus celina (Austaut, 1889) Polyommatus Lycaenidae
- icarus kashgharensis (Moore, 1907) Polyommatus Lycaenidae
- icarus lucetta Colot, 1915 Polyommatus Lycaenidae
- icarus persica (Bienert, 1870) Polyommatus Lycaenidae
- icarus postzelleri (Verity, 1919) Polyommatus Lycaenidae
- icarus yarkandensis (Moore, 1907) Polyommatus Lycaenidae
- icarus zelleri (Verity, 1919) Polyommatus Lycaenidae
- icasia (Cramer, 1777) Ecpantheria Arctiidae
- iccius Hewitson, 1865 Mycalesis Nymphalidae
- iccius ephorus Weymer, 1892 Mycalesis Nymphalidae
- icelusalis Walker, 1860 Endotricha Pyralidae
- ichigoiella Kemperman & Wilkinson, 198 Stigmella Nepticulidae
- ichneumoniformis (Denis & Schiffermüller, 1775) Bembecia Sesiidae
- ichneumoniformis (Rothschild, 1910) Eressa Arctiidae
- icilia (Stoll, 1791) Euproctis Lymantriidae
- icoinnotata Collenette, 1930 Euproctis Lymantriidae
- iconica (Walker, 1858) Maurilia Nolidae
- ictella (Hübner, 1813) Ochromolopis Epermeniidae
- icterata (Villers, 1789) Eupithecia Geometridae
- icterata cognata Stephens, 1831 Eupithecia Geometridae
- icterata oxydata (Treitschke, 1827) Eupithecia Geometridae
- icterata subfulvata (Haworth, 1809) Eupithecia Geometridae
- icterica Djakonov, 1929 Perizoma Geometridae
- icterinella (Mann, 1867) Fabiola Oecophoridae
- icteritia (Hufnagel, 1766) Xanthia Noctuidae
- icterodactylus (Mann, 1855) Merrifieldia Pterophoridae
- ictis Hewitson, 1865 Aphnaeus Lycaenidae
- ictis lunulifera Moore, 1879 Aphnaeus Lycaenidae
- ictis uniformis Moore, 1882 Aphnaeus Lycaenidae
- ida Bryk, 1942 Drepana Drepanidae TYPUS
- ida (Esper, 1784) Pyronia Nymphalidae
- ida marcia Fruhstorfer, 1909 Pyronia Nymphalidae
- idae (Felder, 1862) Melinaea Nymphalidae
- idae (Rebel, 1902) Micropterix Micropterigidae
- idaeella Hofmann, 1869 Coleophora Coleophoridae
- idaei (Zeller, 1839) Mompha Momphidae
- idaeoides Hewitson, 1855 Papilio Papilionidae
- idas (Cramer, 1782) Proteides Hesperiidae
- idas (Linnaeus, 1761) Plebeius Lycaenidae
- idas aegina (Grum-Grschimailo, 1891) Plebeius Lycaenidae
- idas argulus (Frey, 1856) Plebeius Lycaenidae
- idas bellieri Oberthür, 1910 Plebeius Lycaenidae
- idas haefelfingeri Beuret Plebeius Lycaenidae
- idas lapponicus (Gerhard, 1877) Plebeius Lycaenidae
- idas mongolica (Grum-Grschimailo, 1891) Plebeius Lycaenidae
- idas planorum (Alpheraky, 1881) Plebeius Lycaenidae
- idas subsolanus (Eversmann, 1851) Plebeius Lycaenidae
- idas valesiaca (Oberthür) Plebeius Lycaenidae
- idda (Plötz, 1880) Myopsyche Arctiidae
- idea (Linnaeus, 1763) Idea Nymphalidae
- idea blanchard,ii Marchal, 1845 Idea Nymphalidae
- idea durvillei Boisduval, 1832 Idea Nymphalidae
- idea hemera Fruhstorfer, 1903 Idea Nymphalidae
- idea keyensis (Fruhstorfer, 1899) Idea Nymphalidae
- idea nike (Fruhstorfer, 1903) Idea Nymphalidae
- idioglypha Brandt, 1938 Oncocnemis Noctuidae TYPUS
- idiospila Meyrick, 1922 Semocharist Gelechiidae TYPUS
- idiota (Graeser, 1888) Bhima Lasiocampidae
- idis Oberthür, 1893 Pardaleodes Hesperiidae
- idomeneus (Linnaeus, 1758) Caligo Nymphalidae
- idomeneus hippolochus Fruhstorfer, 1913 Caligo Nymphalidae
- idomeneus praecana Stichel, 1908 Caligo Nymphalidae
- idomeneus rhoetus Staudinger, 1886 Caligo Nymphalidae
- idonea (Christoph, 1892) Cryphia Noctuidae
- iduna (Dalman, 1816) Euphydryas Nymphalidae TYPUS
- iduna (Hewitson, 1850) Corades Nymphalidae
- iduna sulitelmica (Schultz, 1906) Euphydryas Nymphalidae
- igati Boisduval, 1833 Acraea Nymphalidae
- ignara (Staudinger, 1896) Ochropleura Noctuidae
- igneella (Tengström, 1859) Metzneria Gelechiidae
- ignefumata Dognin Cambogia Geometridae
- igneotincta Aurivillius, 1908 Craspia Lasiocampidae TYPUS
- igneotincta poecilosticta GrünBerg, 1910 Craspia Lasiocampidae
- ignicola (Hübner, 1813) Rhyacia Noctuidae
- ignicola (Warren, 1909) Hadena Noctuidae
- ignicomella (Heydenreich, 1851) Infurcitinea Tineidae
- ignifera Korb, 1897 Zygaena Zygaenidae
- ignita (Mabille, 1877) Oxypalpus Hesperiidae
- ignita fulvus Lathy, 1903 Oxypalpus Hesperiidae
- ignita wollastoni Heron, 1906 Oxypalpus Hesperiidae
- ignobilis Butler, 1870 Mycalesis Nymphalidae
- ignobilis Holland, 1893 Turnaca Notodontidae
- ignobilis (Staudinger, 1888) Rhyacia Noctuidae
- ignobilis shuotsuensis Bryk, 1948 Ectropis Geometridae TYPUS
- ignorantella (Herrich-Schäffer, 1854) Chionodes Gelechiidae
- ignorata (Haensch, 1905) Hypothyris Nymphalidae
- ignorata Kuznetsov, 1968 Pammene Tortricidae
- igola Trimen, 1889 Acraea Nymphalidae
- ilia (Cramer, 1776) Catocala Noctuidae
- ilia (Denis & Schiffermüller, 1775) Apatura Nymphalidae
- ilia astasioides Staudinger, 1871 Apatura Nymphalidae
- ilia barcina Verity, 1927 Apatura Nymphalidae
- ilia budensis Fuchs, 1899 Apatura Nymphalidae
- ilia bunea Herrich-Schäffer, 1844 Apatura Nymphalidae
- ilia clytie (Denis & Schiffermüller, 1775) Apatura Nymphalidae
- ilia heijona Matsumura, 1927 Apatura Nymphalidae
- ilia heijona serarumoides Bryk, 1946 Apatura Nymphalidae TYPUS
- ilia here Felder, 1862 Apatura Nymphalidae
- ilia koreilia Bryk, 1946 Apatura Nymphalidae TYPUS
- ilia metis Frey, 1829 Apatura Nymphalidae
- ilia serarum Oberthür, 1891 Apatura Nymphalidae
- ilia substituta Butler, 1873 Apatura Nymphalidae
- ilias (Felder, 1874) Candalides Lycaenidae
- ilias (Plötz, 1879) Semalea Hesperiidae
- ilicaria (Geyer, 1833) Peribatodes Geometridae
- ilicifolia (Linnaeus, 1758) Phyllodesma Lasiocampidae
- ilicifoliella (Duponchel, 1843) Phyllonorycter Gracillariidae
- ilicis (Esper, 1779) Satyrium Lycaenidae
- ilicis (Mendes, 1910) Ectoedemia Nepticulidae
- ilicis (Rambur, 1866) Trichiura Lasiocampidae
- ilicis cerri (Hübner, 1804) Satyrium Lycaenidae
- ilicis inalpina (Verity, 1911) Satyrium Lycaenidae
- ilicis inornata (Verity, 1911) Satyrium Lycaenidae
- ilicis pseudoaesculi Bryk, 1940 Strymon Lycaenidae TYPUS
- iliensis Alphéraky, 1883 Heliothea Geometridae
- ilione (Cramer, 1875) Ituna Nymphalidae
- ilioneus Semper, 1805 Papilio Papilionidae
- ilioneus amynthor Boisduval, 1859 Papilio Papilionidae
- ilirias (Cramer, 1776) Eulepidotis Noctuidae
- ilithyia (Drury, 1773) Byblia Nymphalidae
- ilithyia polinice (Cramer, 1777) Byblia Nymphalidae
- illigerella (Hübner, 1813) Epermenia Epermeniidae
- illinissa (Hewitson, 1852) Hyposcada Nymphalidae
- illioneus (Cramer, 1777) Caligo Nymphalidae
- illioneus oberon Butler, 1870 Caligo Nymphalidae
- illioneus pheidriades (Fruhstorfer, 1912) Caligo Nymphalidae
- illioneus praxiodus (Fruhstorfer, 1912) Caligo Nymphalidae
- illiturata (Walker, 1862) Gelasma Geometridae
- illmani Weymer, 1890 Phulia Pieridae
- illoba (Butler, 1878) Sarcopolia Noctuidae
- illota (Christoph, 1887) Eublemma Noctuidae
- illotella Zeller, 1839 Epischnia Pyralidae
- illudens (Butler, 1882) Crastia Nymphalidae
- illudens (Walker, 1856) Lichnoptera Pantheidae
- illuminata (Prout, 1934) Idaea Geometridae TYPUS
- illuminatella (Zeller, 1839) Argyresthia Yponomeutidae
- illunaris (Hübner, 1813) Clytie Noctuidae
- illustralis Lederer, 1863 Ischnurges Pyralidae
- illustrana (Krogerus, 1936) Clepsis Tortricidae
- illustrata Walker, 1858 Achaea Noctuidae
- illustris Brandt, 1941 Sterrha Geometridae TYPUS
- illustris (Mabille, 1891) Celaenorrhinus Hesperiidae
- illustris Walker, 1855 Automeris Saturniidae
- illutana (Herrich-Schäffer, 1851) Cydia Tortricidae
- illyria (Freyer, 1846) Apamea Noctuidae
- illyris Hewitson, 1872 Papilio Papilionidae
- ilma (Hewitson, 1873) Liptena Lycaenidae
- ilma simplex Aurivillius, 1895 Liptena Lycaenidae TYPUS
- ima Boisduval, 1832 Tipulodes Arctiidae
- imaon (Cramer, 1780) Ceryx Arctiidae
- imatrella (Schantz, 1971) Biselachista Elachistidae
- imbecilla (Fabricius, 1794) Eriopygodes Noctuidae
- imbrifera (Guenée, 1852) Polia Noctuidae
- imella (Hübner, 1813) Monopis Tineidae
- imerius (Plötz, 1866) Lento Hesperiidae
- imitans Aurivillius, 1910 Olapa Lymantriidae TYPUS
- imitans Aurivillius, 1893 Taragama Lasiocampidae TYPUS
- imitans (Butler, 1881) Cyclosia Zygaenidae
- imitaria Brandt, 1947 Harmodia Noctuidae TYPUS
- imitaria Heydemann, 1938 Chloroclysta Geometridae
- imitaria (Hübner, 1799) Scopula Geometridae
- imitata (Druce, 1884) Loxophlebia Arctiidae
- imitata Druce, 1910 Pericopis Arctiidae
- imitatrix Christoph, 1887 Anydrophila Noctuidae
-
imitatrix Wallengren, 1856 Acontia Noctuidae
-
imitatrix (Zeller, 1847) Esperia Oecophoridae
- immacula (Grote, 1883) Sparkia Noctuidae
- immaculata Staudinger, 1888 Liptena Lycaenidae
- immaculata (Thunberg, 1784) Antonechloris Geometridae
- immaculata (Wocke, 1877) Cauchas Adelidae
- immanis Guenée, 1852 Hydraecia Noctuidae
- immensa Warren Eupithecia Geometridae
- imminua (Snellen, 1902) Chalciope Noctuidae
- immistaria Herrich-Schäffer, 1851 Scopula Geometridae
- immodica Prout, 1926 Eupithecia Geometridae TYPUS
- immorata (Linnaeus, 1758) Scopula Geometridae
- immunda (Eversmann, 1842) Pseudohadena Noctuidae
- immunda Zeller, 1854 Stenoma Oecophoridae
- immundana (F. von Röslerstam, 1839) Epinotia Tortricidae
- immundaria Dyar, 1906 Euclea Limacodidae
- immundata (Lienig & Zeller, 1846) Eupithecia Geometridae
- immundella (Zeller, 1839) Levarchama Nepticulidae
- immunis (Guenée, 1852) Ptichodes Noctuidae
- immunis (Staudinger, 1889) Pseudohadena Noctuidae
- immutata (Linnaeus, 1758) Scopula Geometridae
- immutata (Walker, 1854) Josiodes Arctiidae
- impactella Walker, 1864 Eretmocera Scythrididae
- impar Hampson, 1896 Cortyta Noctuidae
- impar Staudinger, 1871 Oxypteron Tortricidae
- imparellus (Meyrick, 1878) Scirpophaga Pyralidae
- imparilis Aurivillius, 1905 Chrysopsyche Lasiocampidae TYPUS
- imparilis (Butler, 1877) Spilosoma Arctiidae
- impediens Rothschild, 1895 Papilio Papilionidae
- impediens tebanus Fruhstorfer, 1908 Papilio Papilionidae
- impedita Wallengren, 1860 Phragmataecia Cossidae TYPUS
- impeditus (Walker, 1865) Stenostaura Notodontidae
- imperator (Oberthür, 1883) Kailasius Papilionidae
- imperator augustus (Fruhstorfer, 1903) Kailasius Papilionidae
- imperator evansi (Bryk, 1932) Kailasius Papilionidae
- imperator irmae (Bryk, 1932) Kailasius Papilionidae
- imperator regina (Bryk & Eisner, 1932) Kailasius Papilionidae
- imperator regulus (Bryk & Eisner, 1932) Kailasius Papilionidae
- imperfectella Ragonot, 1895 Euzophera Pyralidae
- imperfectella (Staudinger, 1859) Micropterix Micropterigidae
- imperialella (Zeller, 1847) Acrocercops Gracillariidae
- imperialis Butler, 1871 Colias Pieridae
- imperialis Caradja Pyralis Pyralidae
- imperialis (Drury, 1770) Eacles Saturniidae
- imperialis Hope 1843 Teinopalpus Papilionidae
- imperialis (Walker, 1854) Epanycles Arctiidae
- imperialis didyma (Palisot de Beauvois, 1805) Eacles Saturniidae
- imperita (Dognin, 1905) Druentica Mimallonidae
- imperita (Hübner, 1825) Xestia Noctuidae
- impersonata Walker, 1861 Scopula Geometridae
- impersonata accurataria Christoph, 1881 Scopula Geometridae
- impleta Walker, 1856 Acronicta Noctuidae
- impleta (Walker, 1864) Diacrisia Arctiidae
- implexana (Walker, 1863) Acleris Tortricidae
- implicitana (Wocke, 1856) Cochylidia Tortricidae
- impluviata (Denis & Schiffermüller, 1775) Hydriomena Geometridae
- impluviata extremata Bryk, 1942 Hydriomena Geometridae TYPUS
- impluviata obsoletaria Schille, 1854 Hydriomena Geometridae
- impressa (Snellen, 1877) Euzora Lymantriidae
- impressa Walker, 1856 Acronicta Noctuidae
- improba (Butler, 1877) Boloria Nymphalidae
- improba (Staudinger, 1888) Yigoga Noctuidae
- improbata (Staudinger, 1898) Idaea Geometridae
- impuncta Guenée, 1852 Leucania Noctuidae
- impunctata Matsumura Laelia Lymantriidae
- impura (Hübner, 1808) Mythimna Noctuidae
- impura Mann, 1862 Nola NOLINAE
- impura amurensis (Staudinger, 1892) Mythimna Noctuidae
- impura dungana (Alphéraky, 1882) Mythimna Noctuidae
- impurata (Hübner, 1813) Eupithecia Geometridae
- impurella (Treitschke, 1835) Agonopterix Depressariidae
- inachus Boisduval, 1852 Kallima Nymphalidae
- inachus formosana Fruhstorfer, 1913 Kallima Nymphalidae
- inaequata Warren, 1896 Craspediopsis Geometridae
- inanata (Christoph, 1880) Rheumaptera Geometridae
- inangulata (Guenée, 1852) Ericeia Noctuidae
- inanum Butler, 1874 Euphaedra Nymphalidae
- inaurata (Sulzer, 1776) Belemnia Arctiidae
- inca (Saunders, 1849) Ancyluris Lycaenidae
- incalcarata (Chretien, 1919) Idaea Geometridae
- incana (Lienig & Zeller, 1846) Eucosma Tortricidae
- incanana (Stephens, 1852) Eana Tortricidae
- incanata (Linnaeus, 1758) Scopula Geometridae
- incandescens (Walker, 1855) Pseudojana Eupterotidae
- incanescens (Godman & Salvin, 1877) Pierella Nymphalidae
- incarnata (Freyer, 1838) Rhodocleptria Noctuidae
- incarnata Walker, 1865 Automeris Saturniidae
- incarnata cecrops Boisduval, 1875 Automeris Saturniidae
- incarnata pamina Neumoegen, 1882 Automeris Saturniidae
- incarnatana (Hübner, 1800) Epiblema Tortricidae
- incarnatella (Steudel, 1873) Rhigognostis Plutellidae
- incendiaria Hübner, 1819 Isanthrene Arctiidae
- incerta Aurivillius, 1912 Diestogyna Nymphalidae TYPUS
- incerta (Chretien, 1882) Roeslerstammia Roeslerstammiidae
- incerta (Hufnagel, 1766) Orthosia Noctuidae
- incerta Rogenhofer, 1891 Aroa Lymantriidae
- incerta (Snellen, 1862) Pardaleodes Hesperiidae
- incerta (Walker, 1855) Melese Arctiidae
- incerta fuscata (Haworth, 1803) Orthosia Noctuidae
- incerta pallida (Lampa, 1885) Orthosia Noctuidae
- incerta pallidior (Staudinger, 1901) Orthosia Noctuidae
- incertana (Treitschke, 1835) Cnephasia Tortricidae
- incertata (Staudinger, 1882) Triphosa Geometridae
- incertella (Herrich-Schäffer, 1861) Epiparsia Gelechiidae
- incertellus (Herrich-Schäffer, 1852) Catoptria Pyralidae
- incertulas (Walker, 1863) Scirpophaga Pyralidae
- incidens Walker, 1858 Bareia Noctuidae
- incincta Hampson, 1909 Apluda Limacodidae
- incisa Walker, 1855 Hyperchiria Saturniidae
- incisaria (Staudinger, 1892) Idaea Geometridae
- incisaria praecisa (Reisser, 1934) Idaea Geometridae
- incisus Mabille, 1878 Antigonus Hesperiidae
- incitans (Walker, 1858) Plusiodonta Noctuidae
- incivis (Guenée, 1852) Anicla Noctuidae
- inclara Smith, 1900 Acronicta Noctuidae
- includaria (Herrich-Schäffer, 1855) Auophylla Geometridae
- inclusa Corti, 1931 Euxoa Noctuidae
- inclusa (Hübner, 1825) Pygaera Notodontidae
- inclusa (Walker, 1856) Calliteara Lymantriidae
- inclusa (Walker, 1856) Endoxyla Cossidae
- inclusella (Lederer, 1855) Scythris Scythrididae
- incognita (Draudt, 1934) Analetia Noctuidae
- incognita draudtiphila Bryk, 1948 Sideridis Noctuidae TYPUS
- incognitana (Kremky & Maslowski, 1933) Dichrorampha Tortricidae
- incognitella (Herrich-Schäffer, 1855) Stigmella Nepticulidae
- incoides (Schaus, 1902) Nelone Lycaenidae
- incoloralis Guenée, 1854 Palpita Pyralidae
- incommoda (Staudinger, 1888) Sideridis Noctuidae
- incomptella (Herrich-Schäffer, 1854) Filatima Gelechiidae
- inconcisa (Walker, 1865) Euproctis Lymantriidae
- inconclusa (Walker, 1862) Chionaema Arctiidae
- inconditella (D. Lucas, 1956) Nemapogon Tineidae
- inconfusa Warren Metabraxas Geometridae
- incongrua Butler, 1896 Neptis Nymphalidae
- incongruella (Stainton, 1849) Amphisbatis Noctuidae
- inconspicua (Butler, 1881) Autophila Noctuidae
- inconspicua (Butler, 1896) Rhodostrophia Geometridae
- inconspicua Dognin, 1913 Neotherina Geometridae
- inconspicua (Graeser, 1892) Trichoplusia Noctuidae
- inconspicua Holland, 1892 Metarctia Thyrididae
- inconspicua (Leech, 1899) Euproctis Lymantriidae
- inconspicuaria (Hübner, 1813) Tephrina Geometridae
- inconstans Butler, 1889 Catocala Noctuidae
- incredibilis Hering, 1931 Miresa Limacodidae
- incredibilis (Staudinger, 1877) Adelosemia Pyralidae
- incretata Hampson, 1908 Acronicta Noctuidae
- incrustata (Meyrick, 1930) Dasyses Tineidae
- incultalis (Zeller, 1852) Aglossa Pyralidae TYPUS
- incultaria (Herrich-Schäffer, 1848) Perizoma Geometridae
- incursata (Hübner, 1823) Xanthorhoe Geometridae
- indamora Hewitson, 1874 Cymothoe Nymphalidae
- indecisa Aurivillius, 1901 Hoplojana Eupterotidae
- indecisa (Butler, 1891) Heraclia Agaristidae
- indecisa Dognin Bonatea Geometridae
- indecisa (Walker, 1855) Ecpantheria Arctiidae
- indecisa Walker, 1854 Pericopis Arctiidae
- indecisa (Walker, 1855) Tolype Lasiocampidae
- indecora (Walker, 1865) Bombycopsis Lasiocampidae
- indecora nigrovittata Aurivillius, 1927 Bombycopsis Lasiocampidae TYPUS
- indecorana (Zetterstedt, 1839) Epinotia Tortricidae
- indecretata (Walker, 1862) Microloxia Geometridae
- indenta Hampson, 1891 Spirama Noctuidae
- indentata Holland, 1893 Marbla Lymantriidae
- indentata Warren Gonanticlea Geometridae
- indentella Dyar, 1917 Ephestiodes Pyralidae
- indica (Butler, 1891) Callopistria Noctuidae
- indica Felder, 1875 Ancylolomia Pyralidae
- indica (Herbst, 1794) Vanessa Nymphalidae
- indica (Moore, 1867) Conservula Noctuidae
- indica (Moore, 1867) Dipterygina Noctuidae
- indica (Moore, 1867) Habrosyne Drepanidae
- indica Saunders 1851 Palpita Pyralidae
- indica grisea Werny, 1966 Habrosyne Drepanidae TYPUS
- indica malaisei Bryk, 1942 Habrosyne Drepanidae TYPUS
- indica vulcania Godart, 1819 Vanessa Nymphalidae
- indicata (Fabricius, 1775) Lamprosema Pyralidae
- indicus Fruhstorfer, 1898 Zemeros Nymphalidae
- indigata (Hübner, 1813) Eupithecia Geometridae
- indigata turfosata Draudt, 1908 Eupithecia Geometridae
- indigenata (Villers, 1789) Eucrostes Geometridae
- indigesta Staudinger, 1888 Scotocampa Noctuidae
- indistincta (Butler, 1869) Atopophysa Geometridae
- indistincta Butler, 1876 Macrocneme Arctiidae
- indistincta (Gaede, 1928) Eupydna Notodontidae
- indistincta (Moore, 1882) Xylostola Noctuidae
- indistinctalis Amsel, 1949 Constantia Pyralidae TYPUS
- indistinctalis Amsel, 1961 Mecyna Pyralidae TYPUS
- indivisa (Danilevsky, 1963) Cydia Tortricidae
- indocilis (Walker, 1857) Neumichtis Noctuidae
- indomita (Walker, 1858) Melipotis Noctuidae
- indra (Moore, 1857) Appias Pieridae
- indra aristoxemus Fruhstorfer, 1908 Appias Pieridae
- indrani (Moore, 1866) Coladenia Hesperiidae
- indrani tissa Moore, 1881 Coladenia Hesperiidae
- indrasana Moore Cystidia Geometridae
- indrosa (Trimen, 1879) Meneris Nymphalidae
- inductata (Guenée, 1858) Scopula Geometridae
- indularia Guenée Heterolocha Geometridae
- indusiana (Zeller, 1847) Lobesia Tortricidae
- inepta Aurivillius, 1922 Eupithecia Geometridae TYPUS
- inepta (Edwards, 1881) Drasteria Noctuidae
- inermis (Corti & Draudt, 1933) Protexarnis Noctuidae
- ines (Godart, 1823) Dynamine Nymphalidae
- ines (Hoffmannsegg, 1804) Melanargia Nymphalidae
- ines fathme Wagner, 1913 Melanargia Nymphalidae
- inexacta (Walker, 1856) Dolbina Sphingidae
- inexacta Walker, 1857 Gadirtha Nolidae
- inexacta (Walker, 1858) Iscadia Noctuidae
- inexacta uniformis Warren, 1913 Gadirtha Nolidae
- inexpectata (Staudinger, 1895) Parasa Limacodidae
- inextricata Walker Eustroma Geometridae
- infans Möschler, 1862 Archiearis Geometridae
- infanta Dyar, 1908 Chadisra Notodontidae
- infascialis Amsel, 1949 Constantia Pyralidae TYPUS
- infausta (Linnaeus, 1758) Aglaope Zygaenidae
- infausta (Walker, 1856) Anacronicta Noctuidae
- infecta (Ochsenheimer, 1816) Anicla Noctuidae
- infecta (Walker, 1856) Spodoptera Noctuidae
- infelix Meyrick, 1914 Ethmia Ethmiidae
- inferens (Walker, 1866) Sesamia Noctuidae
- inferior Grote, 1872 Bleptina Noctuidae
- inferior (Herrich-Schäffer, 1869) Dyomyx Noctuidae
- inferna Butler, 1871 Amauris Nymphalidae
- infernalis (Butler, 1877) Spilosoma Arctiidae
- infernalis (Moeschler, 1876) Entheus Hesperiidae
- infernalis (Westwood, 1848) Sataspes Sphingidae
- infernalis taracua Bryk, 1953 Mionectes Hesperidae TYPUS
- infernella (Herrich-Schäffer, 1854) Neofaculta Gelechiidae
- infernus (Felder, 1868) Celaenorrhinus Hesperiidae
- inficita (Walker, 1865) Marathyssa Noctuidae
- infida (Heinrich, 1926) Apotomis Tortricidae
- infidana (Hübner, 1824) Pelochrista Tortricidae
- infidaria La Harpe, 1853 Entephria Geometridae
- infirmaria (Rambur, 1833) Idaea Geometridae
- inflammata Dognin Cambogia Geometridae
- inflammatella (Christoph, 1882) Metzneria Gelechiidae
- inflata Wallengren, 1860 Anthoecia Noctuidae TYPUS
- inflexa (Moore, 1878) Miltochrista Arctiidae
- infulalis (Lederer, 1858) Dattinia Pyralidae
- infundibulalis (Snellen, 1890) Dichocrocis Pyralidae
- infusa (Boisduval, 1832) Agrotis Noctuidae
- infusa Schaus, 1905 Acraga Dalceridae
- infuscalis Zeller, 1852 Botys Pyralidae TYPUS
- infuscata (Eversmann, 1837) Lithostege Geometridae
- infuscata (Tengström, 1869) Chloroclysta Geometridae
- infuscata flavicornata (Zeller, 1847) Lithostege Geometridae
- infuscatella (Joannis, 1897) Ceratophaga Tineidae
- inga (Fruhstorfer, 1898) Mycalesis Nymphalidae
- ingens (Christoph, 1885) Agdistis Pterophoridae
- ingens (Walker, 1866) Gargetta Notodontidae
- ingloria Puplesis, 1988 Ectoedemia Nepticulidae
- ingrata Butler, 1878 Agrotis Noctuidae
- ingrata (Felder, 1869) Eurema Pieridae
- ingratella (Zeller, 1846) Scoparia Pyralidae
- ingrica (Herrich-Schäffer, 1850) Lithophane Noctuidae
- ingvarella Traugott-Olsen, 1974 Elachista Elachistidae
- injectiva (Heinrich, 1926) Cydia Tortricidae
- injusta Wallengren, 1860 Mycalesis Nymphalidae TYPUS
- innocens (Burmeister, 1878) Tolype Lasiocampidae
- innotata (Hampson, 1892) Peridrepana Drepanidae
- innotata (Hufnagel, 1767) Eupithecia Geometridae
- innotata tamarisciata (Freyer, 1831) Eupithecia Geometridae
- innotata uliata Staudinger, 1897 Eupithecia Geometridae
- innumera (Meyrick, 1889) Endrosis Oecophoridae
- ino (Drury, 1782) Attatha Noctuidae
- ino (Rottemburg, 1775) Brenthis Nymphalidae
- ino adula (Fruhstorfer, 1910) Brenthis Nymphalidae
- ino amurensis (Staudinger, 1871) Brenthis Nymphalidae
- ino clara (Staudinger, 1871) Brenthis Nymphalidae
- ino pyrenaica (Sagarra, 1925) Brenthis Nymphalidae
- ino siopelus (Fruhstorfer, 1926) Brenthis Nymphalidae
- ino tergesta (Fruhstorfer, 1896) Brenthis Nymphalidae
- inobtrusa (Hampson, 1902) Ozarba Noctuidae
- inopella (Zeller, 1839) Ptocheuusa Gelechiidae
- inopiana (Haworth, 1811) Trachysmia Tortricidae
- inopinata Berio, 1940 Ozarba Noctuidae PARATYPUS
- inopinatus Butler, 1883 Papilio Papilionidae
- inoploca Walker, 1855 Pinara Lasiocampidae
- inops (Felder, 1860) Epimastidia Lycaenidae
- inops (Lederer, 1853) Palaegrotis Noctuidae
- inops (Walker, 1854) Neochera Aganaidae
- inops privata (Walker, 1862) Neochera Aganaidae
- inornata Edwards, 1861 Coenonympha Nymphalidae
- inornata Felder, 1867 Taygetis Nymphalidae
- inornata (Haworth, 1809) Idaea Geometridae
- inornata (Neumoegen, 1882) Pygaera Notodontidae
- inornata G. Petersen, 1966 Neurothaumasia Tineidae TYPUS
- inornata Staudinger, 1870 Ancylolomia Pyralidae
- inornata Walker, 1855 Automeris Saturniidae
- inornata (Walker, 1864) Cyclosia Zygaenidae
- inornatana (Herrich-Schäffer, 1851) Ancylis Tortricidae
- inornatella (Douglas, 1850) Brachmia Gelechiidae
- inornatus Trimen, 1873 Heteropterus Hesperiidae
- inquilina T. Fletcher, 1938 Pammene Tortricidae
- inquinalis (Guenée, 1845) Mesocondyla Pyralidae
- inquinata Fletcher Eupithecia Geometridae
- inquinata (Lederer, 1857) Tephrochares Noctuidae
- inquinata (Mabille, 1888) Scythocentropus Noctuidae
- inquinata (Scopoli, 1763) Idaea Geometridae
- inquinatalis (Lienig & Zeller, 1846) Udea Pyralidae
- inquinatana (Hübner, 1799) Cydia Tortricidae
- inquinatella (Denis & Schiffermüller, 1775) Agriphila Pyralidae
- insana Herrich-Schäffer, 1851 Cerocala Noctuidae
- inscita (Schaus, 1890) Druentica Mimallonidae
- inscriptum (Harris, 1841) Deidamia Sphingidae
- insectella (Fabricius, 1794) Haplotinea Tineidae
- insecurella (Stainton, 1854) Epermenia Epermeniidae
- insecuta (Walker, 1865) Mythimna Noctuidae
- insecuta bergmani Bryk, 1948 Sideridis Noctuidae TYPUS
- insecuta tancrei Bryk, 1948 Sideridis Noctuidae TYPUS
- insignata (Lederer, 1853) Eugnorisma Noctuidae
- insignata Puplesis, 1988 Ectoedemia Nepticulidae
- insignata (Walker, 1856) Euxoa Noctuidae
- insignata columbina (Draudt, 1936) Eugnorisma Noctuidae
- insignata conformis (Swinhoe, 1885) Eugnorisma Noctuidae
- insigniata (Hübner, 1790) Eupithecia Geometridae
- insignis Aurivillius, 1904 Euproctilla Lymantriidae TYPUS
- insignis (Aurivillius, 1910) Meliaba Noctuidae
- insignis Distant, 1880 Acraea Nymphalidae
- insignitella (Zeller, 1846) Phyllonorycter Gracillariidae
- insipida Butler, 1875 Macroglossum Sphingidae
- insipida poecilum Rothschild & Jordan, 1903 Macroglossum Sphingidae
- insocia (Walker, 1858) Metapioplasta Noctuidae
- insocia Walker, 1865 Sarbanissa Agaristidae
- insolabilis Guenée, 1852 Catocala Noctuidae
- insolata Butler, 1889 Scopula Geometridae
- insolata satsumaria Leech, 1897 Scopula Geometridae
- insolita (Staudinger, 1889) Hadula Noctuidae
- insolita Aurivillius, 1904 Notohyba Lymantriidae TYPUS
- insolitata Walker, 1863 Cacyparis Nolidae
- insperatella (Nickerl, 1864) Callisto Gracillariidae
- inspersalis (Zeller, 1852) Bocchoris Pyralidae TYPUS
- inspersella (Hübner, 1817) Scythris Scythrididae
- inspersus (Christoph, 1887) Holcocerus Cossidae
- inspiciens Prout, 1912 Lambornia Geometridae
- instabilella (Douglas, 1846) Scrobipalpa Gelechiidae
- instabilella (Mann, 1866) Ypsolopha Ypsolophidae
- instillata Meyrick, 1922 Adoxophyes Tortricidae TYPUS
- institalis (Hübner, 1819) Udea Pyralidae
- instructa (Walker, 1865) Oligia Noctuidae
- insueta Butler, 1874 Elphos Geometridae
- insufficiens Gaede, 1930 Desmeocraera Notodontidae
- insulana Aurivillius, 1922 Crocidosema Tortricidae TYPUS
- insulana Schultze & Aurivillius, 1923 Epitola Lycaenidae TYPUS
- insulana Boisduval, 1833 Earias Noctuidae
- insulana (Felder, 1868) Digama Aganaidae
- insulana (Guenée, 1845) Pammene Tortricidae
- insulare (Boisduval, 1833) Nyctemera Arctiidae
- insulariata Wallengren, 1860 Eubolia Geometridae TYPUS
- insularis Aurivillius, 1922 Lobophora Geometridae TYPUS
- insularis Butler, 1880 Leucania Noctuidae
- insularis (Horsfield, 1829) Curetis Lycaenidae
- insularis (Leech, 1892) Plebeius Lycaenidae
- insularis Mabille, 1876 Tagiades Hesperiidae
- insularis Puplesis, 1985 Ectoedemia Nepticulidae
- insularis Rambur, 1833 Zethes Noctuidae
- insularis Sharpe, 1893 Acraea Nymphalidae
- insularis (Staudinger, 1861) Euchloe Pieridae
- insularis Wollaston, 1858 Augasma Coleophoridae
- insularis nesophila (Felder, 1862) Curetis Lycaenidae
- insulata (Walker, 1855) Ammalo Arctiidae
- insulicola (Turati, 1919) Standfussiana Noctuidae
- insulsa Wallengren, 1860 Grammodes Noctuidae TYPUS
- insulsaria (Guenée, 1858) Pleuroprucha Geometridae
- intacta (Hering, 1928) Halseyia Limacodidae
- integerrima Grote & Robinson, 1866 Datana Notodontidae
- integra (Walker, 1855) Pericallia Arctiidae
- integraria (Staudinger, 1871) Scotopteryx Geometridae
- intensa Butler, 1885 Nacaduba Lycaenidae
- interalbicans Warren, 1902 Antharmostes Geometridae
- interalbicella (Herrich-Schäffer, 1854) Caryocolum Gelechiidae
- intercalaris (Eversmann, 1843) Arctia Arctiidae
- intercisa Walker, 1865 Achaea Noctuidae
- intercisa (Walker, 1854) Eucorma Zygaenidae
- interior Scudder, 1862 Colias Pieridae
- interiorata (Walker, 1864) Camptoloma Arctiidae
- interjacens Burgeff, 1926 Zygaena Zygaenidae
- interjecta Aurivillius, 1909 Beralade Lasiocampidae TYPUS
- interjecta (Hübner, 1803) Noctua Noctuidae
- interjecta caliginosa (Schawerda, 1918) Noctua Noctuidae
- interjectana (Haworth, 1811) Cnephasia Tortricidae
- interjectionis (Guenée, 1852) Agrotis Noctuidae
- interjunctalis Guenée, 1845 Synaphe Pyralidae
- interlineata Walker, 1855 Halysidota Arctiidae
- intermedia Aurivillius, 1910 Mylothris Pieridae TYPUS
- intermedia Bremer, 1864 Habrosyne Drepanidae
- intermedia (Bremer, 1853) Lepidodelta Noctuidae
- intermedia Bryk, 1953 Euglyphis Lasiocampidae TYPUS
- intermedia Houlbert, 1893 Cymatophorima Drepanidae
- intermedia Reiss, 1913 Zygaena Zygaenidae PARATYPUS
- intermedia (Trybom, 1877) Erebia Nymphalidae
-
intermedia Wallengren, 1856 Achaea Noctuidae
- intermedialis Reid, 1972 Schrankia Noctuidae
- intermediaria (Alphéraky, 1882) Entephria Geometridae
- intermediella (Amsel, 1960) Ephestia Pyralidae
- intermediella (Stainton, 1867) Esper,ia Oecophoridae
- intermicata Walker Lychnosea Geometridae
- intermissa (Butler, 1886) Dryobotodes Noctuidae
- intermixta (Warren, 1911) Trichoplusia Noctuidae
- intermixtus Aurivillius, 1896 Celaenorrhinus Hesperiidae TYPUS
- internana (Guenée, 1845) Cydia Tortricidae
- internata (Guenée, 1858) Scopula Geometridae
- internata (Püngeler, 1888) Oulobophora Geometridae
- internella Jäckh, 1972 Batia Oecophoridae
- interniplaga Mabille, 1890 Syntomis Arctiidae
- interpellatrix Wallengren, 1860 Stauropus Notodontidae TYPUS
- interposita Butler, 1883 Alaena Lycaenidae
- interposita (Hübner, 1790) Noctua Noctuidae
- interposita Staudinger, 1892 Polygonia Nymphalidae
- interpositaria Staudinger, 1871 Xanthorhoe Geometridae
- interpunctaria (Herrich-Schäffer, 1839) Myinodes Geometridae
- interpunctella (Hübner, 1813) Plodia Pyralidae
- interpunctosa Dognin, 1914 Macara Megalopygidae
- interrogationis (Fabricius, 1775) Polygonia Nymphalidae
- interrogationis (Linnaeus, 1758) Syngrapha Noctuidae
- interrogationis transbaikalensis (Staudinger, 1892) Syngrapha Noctuidae
- interrogationis umbrosa Lintner, 1869 Polygonia Nymphalidae
- interrupta (Christoph, 1867) Furcula Notodontidae
- interrupta Guenée, 1852 Acronicta Noctuidae
- interruptalis Amsel, 1950 Synclera Pyralidae TYPUS
- interruptana auct. Cydia Tortricidae
- interruptella (Hübner, 1793) Mirificarma Gelechiidae
- interruptella Sauber 1902 Teinoptila Yponomeutidae
- interscalaris Draudt, 1927 Titya Lasiocampidae
- interscindana (Möschler, 1866) Cydia Tortricidae
- intersecta (Staudinger, 1882) Euphyia Geometridae
- intersepta Guenée, 1852 Xanthodes Nolidae
- interuptaria Leech Halthia Geometridae
- interuptella (Walker, 1866) Pseudargyria Pyralidae
- intervacatalis (Chretien, 1877) Dolichartria Pyralidae
- intervenata Warren, 1902 Rhodometra Geometridae
- intimella (Zeller, 1848) Ectoedemia Nepticulidae
- intolerabilis (Püngeler, 1902) Euxoa Noctuidae
- intracta (Walker, 1857) Euxoa Noctuidae
- intracta kurilintracta Bryk, 1948 Euxoa Noctuidae TYPUS
- intranea (Dognin, 1914) Quentalia Apatelodidae
- intricans (Alphéraky, 1874) Chamyla Noctuidae
- intricata Aurivillius, 1894 Euptera Nymphalidae TYPUS
- intricata (Walker, 1856) Diacrisia Arctiidae
- intricata (Walker, 1854) Saurita Arctiidae
- intricata (Zetterstedt, 1839) Eupithecia Geometridae
- intricata helveticaria (Boisduval, 1840) Eupithecia Geometridae
- intricata millieraria Wnukowsky Eupithecia Geometridae
- intricataarceuthata Freyer, 1840 Eupithecia Geometridae
- inturbata (Hübner, 1817) Eupithecia Geometridae
- intuta (Dognin, 1916) Euglyphis Lasiocampidae
- intuta differens Bryk, 1953 Euglyphis Lasiocampidae TYPUS
- inulae Wocke, 1876 Coleophora Coleophoridae
- inulae (Zeller, 1852) Euleioptilus Pterophoridae
- inulaefoliae Benander, 1936 Coleophora Coleophoridae
- inulifolia Benander, 1939 Coleophora Coleophoridae
- inumbrata (Staudinger, 1889) Eremodrina Noctuidae
- inumbrata Warren, 1896 Jodis Geometridae
- inunctella (Zeller, 1839) Holocera Blastobasidae
- inundana (Denis & Schiffermüller, 1775) Apotomis Tortricidae
- inurbana Prout Eulithis Geometridae
- inustella (Zeller, 1839) Ephysteris Gelechiidae
- invaria (Walker, 1856) Metarctia Thyrididae
- invenusta Schaus, 1892 Dolecta Cossidae
- invenusta Wallengren, 1860 Sculna Saturniidae TYPUS
- invenustaria (Leech, 1897) Phthonosema Geometridae
- inviolata Dognin, 1911 Apatelodes Apatelodidae
- invirae (Hübner, 1818) Opsiphanes Nymphalidae
- invirae amplificatus Stichel, 1904 Opsiphanes Nymphalidae
- invirae intermedius Stichel, 1902 Opsiphanes Nymphalidae
- invirae isagoras Fruhstorfer, 1907 Opsiphanes Nymphalidae
- invirae rectifasciata Fruhstorfer, 1907 Opsiphanes Nymphalidae
- invirae Stichel,i Röber, 1906 Opsiphanes Nymphalidae
- invisella (Constant, 1885) Isophrictis Gelechiidae
- invitabilis Wallengren, 1860 Heterogenea Limacodidae TYPUS
- io (Fabricius, 1775) Automeris Saturniidae
- io (Linnaeus, 1758) Inachis Nymphalidae
- io caucasica (Jachontov, 1914) Inachis Nymphalidae
- io fulva (Oudemans, 1905) Inachis Nymphalidae
- io geisha (Stichel, 1909) Inachis Nymphalidae
- io ioides (Ochsenheimer, 1816) Inachis Nymphalidae
- io sardoa (Staudinger, 1871) Inachis Nymphalidae
- ioan Warren, 1926 Spialia Hesperiidae
- iobates Hopffer, 1855 Cupido Lycaenidae
- iobates ochreopunctata Aurivillius, 1925 Cupido Lycaenidae TYPUS
- iocentra Meyrick, 1888 Eucrostes Geometridae
- iola (Dyar, 1913) Micrattacus Saturniidae
- iolaia (Hewitson, 1855) Ceratinia Nymphalidae
- iolans Dyar, 1927 Sibine Limacodidae
- iolas (Ochsenheimer, 1816) Iolana Lycaenidae
- iole Boisduval, 1836 Nathalis Pieridae
- iole (Fabricius, 1781) Lachnoptera Nymphalidae
- iole afzelii Aurivillius, 1887 Lachnoptera Nymphalidae TYPUS
- ion (Leech, 1892) Tongeia Lycaenidae
- ione (Godart, 1819) Colotis Pieridae
- ione jalone (Butler, 1869) Colotis Pieridae
- ione phlegyas (Butler, 1865) Colotis Pieridae
- ionia (Fischer de Waldheim & Eversmann, 1851) Thaleropis Nymphalidae
- iotrigona (Zerny, 1916) Dysgonia Noctuidae
- iphicla (Linnaeus, 1758) Adelpha Nymphalidae
- iphicla ephesa (Ménétriés, 1832) Adelpha Nymphalidae
- iphicla iphicleola Bates, 1864 Adelpha Nymphalidae
- iphicla massilia Felder, 1863 Adelpha Nymphalidae
- iphicla pharae Fruhstorfer, 1915 Adelpha Nymphalidae
- iphicrates Meyrick, 1905 Ethmia Ethmiidae
- iphidamas Fabricius, 1793 Papilio Papilionidae
- iphidamas calogyna Rothschild, 1906 Papilio Papilionidae
- iphidamas phalias Rothschild, 1906 Papilio Papilionidae
- iphigeni Oberthür, 1916 Perisama Nymphalidae
- iphigenia (Graeser, 1888) Boloria Nymphalidae
- iphinous (Latreille, 1823) Phocides Hesperiidae
- iphis (Drury, 1773) Pyrrhochalcia Hesperiidae
- iphis (Walker, 1856) Gonenyo Sphingidae
- iphita (Cramer, 1777) Precis Nymphalidae
- iphita pluviatilis Fruhstorfer, 1900 Precis Nymphalidae
- iphita siccata Fruhstorfer, 1900 Precis Nymphalidae
- iphita tosca Fruhstorfer, 1900 Precis Nymphalidae
- iphitas Hübner, 1820 Papilio Papilionidae
- iphthime Bates, 1864 Peridromia Nymphalidae
- ipomeae Doubleday, 1841 Schizura Notodontidae
- ipomoeella (Gustafsson, 1976) Niepeltia Nepticulidae TYPUS
- ipsilon (Hufnagel, 1766) Agrotis Noctuidae
- irakella Petersen, 1959 Paratinea Tineidae
- iranalis Amsel, 1949 Dattinia Pyralidae TYPUS
- iranalis Amsel, 1950 Rhodophaea Pyralidae TYPUS
- iranaria Brandt, 1942 Scopula Geometridae
- iranella Amsel, 1953 Praeepischnia Pyralidae TYPUS
- iranella Amsel, 1949 Scoparia Pyralidae
- irania Swinhoe Zamarada Geometridae
- iranica Amsel, 1949 Talis Pyralidae TYPUS
- iranica Bytinski-Salz & Brandt, 1937 Aegle Noctuidae TYPUS
- iranica Brandt, 1941 Cryphia Noctuidae PARATYPUS
- iranica Brandt, 1941 Cucullia Noctuidae
- iranica (Brandt) Parocneria Lymantriidae
- iranica Le Cerf, 1937 Chamaesphecia Sesiidae TYPUS
- iranica Danilevskii & Kuznetzov, 1968 Dichrorampha Tortricidae TYPUS
- iranica Gozmany, 19 ?? Ilioparsis Lecithoceridae TYPUS ??
- iranica (Schwingenschuss, 1939) Yigoga Noctuidae
- irava (Moore, 1857) Hidari Hesperiidae
- irene (Cramer, 1780) Automeris Saturniidae
- irene (Westwood, 1851) Polystichtis Lycaenidae
- irene romani Aurivillius, 1929 Calliona Lycaenidae TYPUS
- iricolor Holland, 1896 Caenides Hesperiidae
- iridescens (Schaus, 1894) Halysidota Arctiidae
- iridescens Warren, 1896 Jodis Geometridae
- iridina Bryk, 1947 Paranthrene Sesiidae TYPUS
- irioleuca (Merick, 1897) Audea Noctuidae
- iris Aurivillius, 1903 Diestogyna Nymphalidae TYPUS
- iris Godart, 1819 Papilio Papilionidae
- iris Guenée, 1852 Phlogophora Noctuidae
- iris (Linnaeus, 1758) Apatura Nymphalidae
- iris (Zetterstedt, 1839) Hillia Noctuidae
- iris aberrans Butler, 1883 Papilio Papilionidae
- iris amurensis Stich 1859 Apatura Nymphalidae
- iris jole (Denis & Schiffermüller, 1775) Apatura Nymphalidae
- iris pallidus Rothschild, 1895 Papilio Papilionidae
- irisalis Walker, 1866 Oligostigma Pyralidae
- irisaria Swinhoe, 1904 Encoma Geometridae
- irius (Boisduval, 1832) Euchromia Arctiidae
- irmella (Palm, 1947) Phyllonorycter Gracillariidae
- irmina (Westwood, 1851) Mygona Nymphalidae
- iroides Boisduval, 1852 Thecla Lycaenidae
- irorata Moore, 1859 Euproctis Lymantriidae
- irregularis (Hufnagel, 1766) Hadena Noctuidae
- irregularis (Walker, 1856) Hippotion Sphingidae
- irregularis (Walker, 1857) Leucania Noctuidae
- irriguata (Hübner, 1813) Eupithecia Geometridae
- irrisor (Erschov, 1874) Cardepia Noctuidae
- irritaria (Bang-Haas, 1912) Luperina Noctuidae
- irritaria Staudinger, 1871 Eupithecia Geometridae
- irritaria dannehli Draudt, 1933 Luperina Noctuidae
- irritaria sohn-retheli Draudt, 1933 Luperina Noctuidae
- irrorata Baker 1891 Scopula Geometridae
- irrorata (Fabricius, 1781) Anticarsia Noctuidae
- irrorata (Hampson, 1893) Hyperlopha Noctuidae
- irrorata Hampson, 1910 Phragmataecia Cossidae
- irrorata (Moore, 1879) Ramadra Lymantriidae
- irrorata Moore, 1884 Trabala Lasiocampidae
- irrorata (Staudinger, 1871) Agonopterix Depressariidae
- irrorata (Trimen, 1873) Pseudonympha Nymphalidae
- irrorataria specificaria Bryk, 1948 Boarmia Geometridae TYPUS
- irrorella (Hübner, 1796) Yponomeuta Yponomeutidae
- irrorella (Linnaeus, 1758) Setina Arctiidae
- irrorella andereggii (Herrich-Schäffer, 1852) Setina Arctiidae
- irrorella borealis Valle Setina Arctiidae
- irrorella flavicans (Geyer, 1836) Setina Arctiidae
- irrorella lata (Christoph, 1893) Setina Arctiidae
- irrorella riffelensis (Fallou, 1865) Setina Arctiidae
- irrubescens Smith & Kirby, 1893 Euthalia Nymphalidae
- irrubescens gustavi Fruhstorfer, 1913 Euthalia Nymphalidae
- iruingi Janse ? Teragra Metarbelidae
- irus (Godart, 1819) Thecla Lycaenidae
- isabella (Abbot & Smith, 1797) Diacrisia Arctiidae
- isabella (Cramer, 1781) Eueides Nymphalidae
- isabella Schawerda, 1915 Chesias Geometridae
- isabella cinereata Schawerda, 1915 Chesias Geometridae
- isabella huebneri Ménétriés, 1857 Eueides Nymphalidae
- isabella margaritifera Stichel, 1903 Eueides Nymphalidae
- isabellae (Graëlls, 1849) Graellsia Saturniidae
- isabellina Aurivillius, 1895 Chrysopoloma Chrysopolomidae
- isandra (Boisduval, 1836) Melete Pieridae
- isaon (Boisduval, 1875) Xylophanes Sphingidae
- isatidalis (Duponchel, 1831) Evergestis Pyralidae
- isca (Hewitson, 1873) Pseuderesia Lycaenidae
- ischnodactyla (Treitschke, 1835) Pterophorus Pterophoridae
- isertana (Fabricius, 1794) Zeiraphera Tortricidae
- isidis Zeller, 1867 Ceutholopha Pyralidae
- isidorus Doubleday, 1846 Papilio Papilionidae
- isidra Schaus, 1901 Disphragis Notodontidae
- isis (Drury, 1773) Adelpha Nymphalidae
- isis (Drury, 1773) Cupido Lycaenidae
- isis Rothschild & Jordan, 1903 Hippotion Sphingidae
- islamella (Amsel, 1949) Euchromius Pyralidae
- islandica (Staudinger, 1857) Euxoa Noctuidae
- islandicus (Staudinger, 1857) Stenoptilia Pterophoridae
- ismare (Cramer, 1782) Danaus Nymphalidae
- ismene (Doubleday, 1848) Lebadea Nymphalidae
- ismenias (Klug, 1845) Iolaus Lycaenidae
- ismenias (Meigen, 1829) Plebeius Lycaenidae
- ismenius Latreille, 1817 Heliconius Nymphalidae
- ismenius fasciatus Godman & Salvin, 1877 Heliconius Nymphalidae
- ismenius telchinia Doubleday, 1847 Heliconius Nymphalidae
- ismeria Boisduval, 1852 Phyciodes Nymphalidae
- isocycla Meyrick, 1922 Chezala Oecophoridae TYPUS
- isodactylus (Zeller, 1852) Platyptilia Pterophoridae
- isogyna Prout Agathia Geometridae
- isola Reakirt, 1866 Hemiargus Lycaenidae
- isometra (Warren, 1888) Gnophosema Geometridae
- isophthalma (Herrich-Schäffer, 1862) Brephidium Lycaenidae
- isothea Dognin, 1914 Acraga Dalceridae
- isozyges Prout Eumelea Geometridae
- isse (Cramer, 1775) Delias Pieridae
- isse (Hübner, 1825) Chetone Arctiidae
- issiki Oku, 1957 Acleris Tortricidae
- issykkulensis Sauber, 1899 Pyrausta Pyralidae
- istaris Plötz, 1880 Mycalesis Nymphalidae
- isthmia Bates, 1864 Brassolis Nymphalidae
- isthmia (Felder, 1874) Mydromera Arctiidae
- isthmia Walker, 1856 Asota Aganaidae
- isthmia notochloris (Boisduval, 1870) Mydromera Arctiidae
- isthmicalis Lederer, 1858 Synaphe Pyralidae
- istrianella (Herrich-Schäffer, 1855) Nemophora Adelidae
- iswara White, 1842 Papilio Papilionidae
- iswara araspes Felder, 1859 Papilio Papilionidae
- italica (Staudinger, 1882) Euchalcia Noctuidae
- italus Hewitson, 1865 Mycalesis Nymphalidae
- itamputi Ribbe, 1901 Delias Pieridae
- itea (Fabricius, 1775) Pyrameis Nymphalidae
- iter Guenée, 1852 Calyptis Noctuidae
- iterata (Butler, 1886) Alcis Geometridae
- ithome (Felder, 1859) Appias Pieridae
- ithomia (Felder, 1868) Chetone Arctiidae
- ithomia (Hewitson, 1867) Dismorphia Pieridae
- ithomia douglasina Bryk, 1953 Dismorphia Dismorphiinae TYPUS
- itokina Aurivillius, 1904 Deilemera Arctiidae TYPUS
- itonia (Hewitson, 1865) Ypthima Nymphalidae
- itonis Hewitson, 1862 Euptychia Nymphalidae
- ituria Bethune-Baker, 1910 Lycaenesthes Lycaenidae
- iturina Karsch, 1893 Euriphene Nymphalidae
- itynx (Fabricius, 1787) Speiredonia Noctuidae
- itys (Cramer, 1777) Zaretis Nymphalidae
- itys ellops (Ménétriés, 1855) Zaretis Nymphalidae
- itys isidora (Cramer, 1779) Zaretis Nymphalidae
- itys monops Bryk, 1953 Zaretis Nymphalidae TYPUS
- itys strigosa (Staudinger, 1887) Zaretis Nymphalidae
- itysalis (Walker, 1859) Agrioglypta Pyralidae
- iuguma Brandt, 1938 Agrotis Noctuidae TYPUS
- iulus Hewitson, 1865 Iolaus Lycaenidae
- ivella (Haworth, 1828) Argyresthia Yponomeutidae
- iveni (Hübner, 1870) Xestia Noctuidae
- ivinskisi Lvovsky, 1990 Depressaria Depressariidae
- ivinskisi Puplesis, 1984 Ectoedemia Nepticulidae
- ixiaria Swinhoe Zamarada Geometridae