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18,101 Animals, page 1 of 10
- Ia io Thomas, 1902 (Great Evening Bat)
- Iacksoneuma bradeae Brölemann & Brade-Birks, 1917
- Iacra petiti
- Iacra seychellarum
- Iacra trotteriana
- Iacra vaillandi
- Iaera albifrons
- Iaera marina
- Iafaia bacchusi
- Iago garricki Fourmanoir & Rivaton, 1979 (Llongnose Houndshark, Longnose Hound Shark, Longnose Hound Shark, Longnose Houndshark, Longnose Houndshark)
- Iago omanensis (Norman, 1939) (Bigeye Hound Shark, Bigeye Hound Shark, Bigeye Houndshark, Bigeye Houndshark)
- Iagonia bella
- Iais aquilei Coineau, 1977
- Iais californica (H. Richardson, 1904)
- Iais chilensis (Winkler, 1992A)
- Iais elongata Sivertsen & Holthuis, 1980
- Iais floridana Kensley and Schotte, 1999
- Iais pubescens (Dana, 1853)
- Iais singaporensis Menzies & Barnard, 1951
- Iais solangae Coineau, 1985
- Ialibua brandti
- Ialibua gressitti
- Ialibua maai
- Ialibua nigriclava
- Ialibua rubrovenosa
- Ialibua sedlaceki
- Ialibua unicolor
- Ialibua viridicollis
- Ialtris agyrtes SCHWARTZ & ROSSMAN 1976
- Ialtris dorsalis GÜNTHER 1858
- Ialtris parishi COCHRAN 1932
- Ialtris vultuosa
- Ialyssus tuberculatus (Olivier, 1795)
- Ialysus investigatoris Sewell, 1940
- Ialysus proximus Sewell, 1940
- Ialysus rufus Brian, 1927
- Iambia alticola Laporte 1973
- Iambia brunnea Warren 1914
- Iambia harmonica Hampson 1902
- Iambia inferalis Walker 1863
- Iambia infernalis Walker
- Iambia jansei Berio 1966/67
- Iambia japonica Sugi 1958
- Iambia nigella Hampson 1918
- Iambia nocturna Hampson 1902
- Iambia rufescens Hampson 1894
- Iambia shanica Berio 1973
- Iambia sinica Yang 1964
- Iambia thuaitesi Moore 1884
- Iambia transversa Moore 1882
- Iambia velutina Felder 1874
- Iambia volasira Viette 1968
- Iambiodes anormalis Hampson 1906
- Iambiodes incerta Rothschild 1913
- Iambiodes nyctostola Hampson 1918
- Iambiodes postpallida Wiltshire 1977
- Iambrix distanti Shepard 1937
- Iambrix latifascia Elwes & Edwards 1897
- Iambrix luteipalpis Plötz 1886
- Iambrix mergus Plötz 1884
- Iambrix niasicus Fruhstorfer 1910
- Iambrix obliquans Mabille 1893
- Iambrix salsala Moore 1865
- Iambrix stellifer Butler 1877
- Iambrix unicolor Distant 1886
- Iambrix vasuba Fruhstorfer 1910
- Iambrix yamanta Fruhstorfer 1910
- Ianduba caxixe Bonaldo, 1997
- Ianduba patua Bonaldo, 1997
- Ianduba paubrasil Bonaldo, 1997
- Ianduba varia (Keyserling, 1891)
- Ianduba vatapa Bonaldo, 1997
- Iandumoema uai Pinto Rocha, 1996d
- Ianirella fusiformis
- Ianirella hirsuta
- Ianirella macrura
- Ianirella ornata
- Ianirella polychaeta
- Ianirella quadrituberculata
- Ianirella spinose
- Ianirella tuberculata
- Ianiropsis analoga Menzies, 1952
- Ianiropsis breviremis (Sars, 1883)
- Ianiropsis derjugini Gurjanova, 1933
- Ianiropsis epilittoralis Menzies, 1952
- Ianiropsis kincaidi H. Richardson, 1904
- Ianiropsis koreaensis Jang & Kwon, 1990
- Ianiropsis kussakini Carvacho, 1982
- Ianiropsis longiantennata Thielemann, 1910
- Ianiropsis longipes Sivertsen & Holthuis, 1980
- Ianiropsis magnocula Menzies, 1952
- Ianiropsis minuta Menzies, 1952
- Ianiropsis montereyensis Menzies, 1952
- Ianiropsis neglecta (Chilton, 1909)
- Ianiropsis notoensis Nunomura, 1985B
- Ianiropsis pallidocula Kussakin, 1962A
- Ianiropsis palpalis Barnard, 1914A
- Ianiropsis perplexus Menzies, 1962A
- Ianiropsis picta Kussakin & Mezhov, 1979
- Ianiropsis pugettensis
- Ianiropsis punctulata Kussakin & Mezhov, 1979
- Ianiropsis serricaudis Gurjanova, 1936
- Ianiropsis setifera Gurjanova, 1950
- Ianiropsis tridens Menzies, 1952
- Ianiropsis varians Winkler & Brandt, 1993
- Ianisera trepidus Kensley, 1976
- Ianius mosca Dyar 1910
- Iansan beurleni Santos, 1968
- Ianthella aerophoba (Lendenfeld, 1883)
- Ianthella basta (Pallas, 1766)
- Ianthella concentrica Hyatt, 1875
- Ianthella flabelliformis (Pallas, 1766)
- Ianthella homei Gray, 1869
- Ianthella labyrinthus Bergquist & Kelly-Borges, 1995
- Ianthella macula Bergquist & Kelly-Borges, 1995
- Ianthella quadrangulata Bergquist & Kelly-Borges, 1995
- Ianthella reticulata Bergquist & Kelly-Borges, 1995
- Ianthella topsenti (Sollas, 1903)
- Ianthina capriolata
- Ianthina communis
- Ianthina elongata
- Ianthina exigua
- Ianthina globosa
- Ianthina humilis
- Ianthinopsis conspicua
- Ianthinopsis ponderosa
- Ianthinopsis ventricosa
- Ianthocinla davidi chinganica Meise, 1934
- Ianthopsis beddardi Kussakin & Vasina, 1982B
- Ianthopsis bovallii (Studer, 1884)
- Ianthopsis certus Kussakin & Vasina, 1982B
- Ianthopsis franklinae Brandt, 1994
- Ianthopsis kimblae Brandt, 1994
- Ianthopsis laevis Menzies, 1962A
- Ianthopsis monodi Nordenstam, 1933
- Ianthopsis multispinosa Vanhoffen, 1914
- Ianthopsis nasicornis Vanhoffen, 1914
- Ianthopsis nodosa Vanhoffen, 1914
- Ianthopsis pulchra (Hansen, 1916)
- Ianthopsis ruseri Vanhoffen, 1914
- Ianthopsis studeri Kussakin & Vasina, 1982B
- Ianthopsis vanhoeffeni Just, 2001
- Iapetocardia cooperi
- Iaquira viridis Galileo & Martins, 2001
- Iardinis martensi Brignoli, 1978
- Iardinis mussardi Brignoli, 1980
- Iareonycha albisterna Martins & Galileo, 2004
- Iareonycha ipepuna Martins & Galileo, 1997
- Iarucanga capillacea (Bates, 1866)
- Iarucanga mimica (Bates, 1866)
- Iarupea attenuata Harold, 1870
- Iarupea lopeteguii Martinez, 1953
- Iarupea serratipennis Petrovitz, 1973
- Iasides cincticollis Champion, G.C., 1907
- Iaspis ambiguanota Austin & Johnson
- Iaspis beera (Beera Hairstreak)
- Iaspis castitas (Castitas Hairstreak)
- Iaspis flava Austin & Johnson
- Iaspis fumosa Austin & Johnson
- Iaspis grandis Austin & Johnson
- Iaspis minuta Austin & Johnson
- Iaspis ornata Austin & Johnson
- Iaspis purpurata Austin & Johnson
- Iaspis rubicunda Austin & Johnson
- Iaspis rufa Austin & Johnson
- Iaspis sinenota Austin & Johnson
- Iaspis talayra (Talayra Hairstreak)
- Iaspis temesa Hewitson 1868 (Temesa Hairstreak)
- Iaspis thabena (Hewitson)
- Iaspis verania (Hewitson)
- Iassus circumcinctus
- Iassus indicus (Lethierry, 1892)
- Iassus lanio
- Iassus mirabilis Orosz, 1979
- Iassus mixtus Fabricius, 1794
- Iassus multifasciatus Jacobi, 1944
- Iassus patricius Jacobi, 1944
- Iassus punctatus (Kirby)
- Iassus scutellaris (Fieber, 1868)
- Iassus vaginatus Kirschbaum, 1868
- Iathrippa bisbidens (Barnard, 1955A)
- Iathrippa capensis (Barnard, 1914B)
- Iathrippa hirsuta (Carvacho, 1981)
- Iathrippa inerme (Haswell, 1881)
- Iathrippa longicauda (Chilton, 1884)
- Iathrippa menziesi Sivertsen & Holthuis, 1980
- Iathrippa multidens Menzies, 1962A
- Iathrippa sarsi (Pfeffer, 1887)
- Iathrippa sarsii (Pfeffer, 1887)
- Iathrippa trilobatus (Richardson, 1910D)
- Iathrippa tristani (Beddard, 1886)
- Iatuca brevicornis Galileo & Martins, 2004
- Iba bakeri Lallemand,1922
- Ibacus alticrenatus Bate, 1888
- Ibacus altricrenatus Bate, 1888 (Velvet Fan Lobster)
- Ibacus antarcticus
- Ibacus brevipes Bate, 1888 (Serrate Fan Lobster)
- Ibacus brucei Holthuis, 1977 (Glabrous Fan Lobster)
- Ibacus chacei Brown & Holthuis, 1998
- Ibacus ciliatus (Von Siebold, 1824) (Japanese Fan Lobster)
- Ibacus ciliatus ciliatus
- Ibacus ciliatus von
- Ibacus novemdentatus Gibbes, 1850 (Smooth Fan Lobster)
- Ibacus peronii Leach, 1815 (Butterfly Fan Lobster)
- Ibacus pubescens Holthuis, 1960
- Ibadana cuspidata Locket & Russell-Smith, 1980
- Ibadarrus gracilior
- Ibadarrus haranicola
- Ibalia anceps Say, 1824
- Ibalia aprilina Kerrich, 1973
- Ibalia arizonica Liu and Nordlander, 1992
- Ibalia hunanica Liu and Nordlander, 1994
- Ibalia jakowlewi Jacobson, 1899
- Ibalia japonica Matsumura, 1912
- Ibalia kirki Liu and Nordlander, 1992
- Ibalia leucospoides (Hochenwarth, 1785)
- Ibalia leucospoides leucospoides
- Ibalia mirabilis Yasumatsu, 1941
- Ibalia montana Cresson, 1879
- Ibalia ornata Belizin, 1968
- Ibalia ruficollis Cameron, 1884
- Ibalia rufipes Cresson, 1879
- Ibalia rufipes drewseni
- Ibalonius flavopictum Hirst, 1911
- Ibalonius karschii Loman, 1902
- Ibalonius lomani Hirst, 1911
- Ibalonius sarasinorum Roewer, 1913
- Ibanocrinus petalos
- Ibantila cubana Šilhavý, 1969a
- Ibarra festae Roewer 1925
- Ibarus ignotus
- Ibeotettix alticrista Günther, K. 1979
- Ibeotettix angulatus (Bolivar, I. 1905)
- Ibeotettix steinbachi Günther, K. 1979
- Iberacritus ortunoi
- Iberacritus vivesi
- Iberanillus vinyasi
- Iberanum dlabolai
- Iberellus balearicus (Pfeffer, 1844)
- Iberellus minoricensis horadade Jaeckel, 1952
- Ibergirhynchia contraria
- Iberina caeca Georgescu & Sarbu, 1992
- Iberina candida Lehtinen, 1967
- Iberina difficilis Lehtinen, 1967
- Iberina ljovuschkini Pichka, 1965
- Iberina mazarredoi Simon, 1881
- Iberina montana Lehtinen, 1967
- Iberina muscicola Lehtinen, 1967
- Iberina spasskyi Lehtinen, 1967
- Iberites favrei
- Iberites giraudi
- Iberithyris oweni
- Iberithyris variabilis
- Iberobathynella asturiensis Serban & Comas, 1978
- Iberobathynella barcelensis (Noodt & Galhano, 1969)
- Iberobathynella bowmani
- Iberobathynella californica Schminke and Noodt, 1988
- Iberobathynella cantabriensis Camacho & Serban, 1998
- Iberobathynella cavadoensis (Noodt & Galhano, 1969)
- Iberobathynella espaniensis Serban & Comas, 1978
- Iberobathynella gracilipes (Braga, 1960)
- Iberobathynella imuniensis Camacho, 1989
- Iberobathynella lusitanica (Braga, 1949)
- Iberobathynella magna Camacho & Serban, 1998
- Iberobathynella ortizi Camacho, 1989
- Iberobathynella paragracilipes Camacho & Serban, 1998
- Iberobathynella parasturiensis Camacho & Serban, 1998
- Iberobathynella rouchi Camacho & Coineau, 1987
- Iberobathynella valbonensis
- Iberococcus andalusicus Gómez-Menor Ortega, 1928
- Iberococcus gomezmenori Matile-Ferrero, 1984
- Iberocypris palaciosa Doadrio, 1980
- Iberocypris palaciosi Doadrio, 1980
- Iberodorcadion abulense abulense
- Iberodorcadion abulense granulipenne
- Iberodorcadion albicans albicans
- Iberodorcadion albicans demandense
- Iberodorcadion albicans marinae
- Iberodorcadion albicans palentinum
- Iberodorcadion almarzense (Escalera, 1902)
- Iberodorcadion amorii amorii
- Iberodorcadion amorii segurense
- Iberodorcadion circumcinctum ariasi
- Iberodorcadion circumcinctum circumcinctum
- Iberodorcadion espanoli (Breuning, 1956)
- Iberodorcadion fuliginator andianum
- Iberodorcadion fuliginator fuliginator
- Iberodorcadion fuliginator loarrense
- Iberodorcadion fuliginator meridionale
- Iberodorcadion fuliginator navarricum
- Iberodorcadion fuliginator obesum
- Iberodorcadion fuliginator pyrenaeum
- Iberodorcadion fuliginator urgulli
- Iberodorcadion fuligintor (Linnaeus,1758)
- Iberodorcadion ghilianii cercedillanum
- Iberodorcadion graellsii cinereum
- Iberodorcadion graellsii graellsii
- Iberodorcadion graellsii incallosum
- Iberodorcadion graellsii longipenne
- Iberodorcadion hispanicum nudipenne
- Iberodorcadion iserni (Perez, 1868)
- Iberodorcadion lorquinii cobosi
- Iberodorcadion lorquinii lorquinii
- Iberodorcadion lusitanicum evorense
- Iberodorcadion lusitanicum lusitanicum
- Iberodorcadion lusitanicum mimomucidum
- Iberodorcadion molitor navasi
- Iberodorcadion mucidum annulicorne
- Iberodorcadion mucidum mucidum
- Iberodorcadion mucidum rondense
- Iberodorcadion navasi (Escalera, 1900)
- Iberodorcadion neilense almarzense
- Iberodorcadion neilense villosladense
- Iberodorcadion perezi cercedillanum
- Iberodorcadion perezi ghilianii
- Iberodorcadion perezi hispanicum
- Iberodorcadion perezi ortunoi
- Iberodorcadion perezi perezi
- Iberodorcadion segovianum dejeanii
- Iberodorcadion segovianum segovianum
- Iberodorcadion seoanei kricheldorffi
- Iberodorcadion seoanei laurae
- Iberodorcadion seoanei seoanei
- Iberodorcadion spinolae caunense
- Iberodorcadion spinolae soricinum
- Iberodorcadion spinolae spinolae
- Iberodorcadion zarcoi turdetanum
- Iberodorcadion zarcoi zarcoi
- Iberodytes ramiroi
- Iberogalumnella alandalusica
- Iberoiulus breuili Ceuca, 1967
- Iberoiulus cavernicola Ceuca, 1967
- Iberoiulus sarensis Mauriès, 1970
- Iberolacerta aranica LANTZ 1927
- Iberolacerta aurelioi ARRIBAS 1994
- Iberolacerta bonnali LANTZ 1927
- Iberolacerta cyreni cyreni Müller & Hellmich, 1937
- Iberolacerta horvathi MÉHELY 1904
- Iberolacerta monticola BOULENGER 1905
- Iberolacerta monticola cantabrica Mertens, 1929
- Iberomesornis romerali
- Iberomorda sulcicauda
- Iberomorda viridipennis
- Iberomosca kakoeima Mostovski & Martinez-Delclos, 2000
- Iberomosca ponomarenkoi Mostovski & Martinez-Delclos, 2000
- Iberoneta nasewoa Deeleman-Reinhold, 1984
- Iberoniscus breuili Vandel, 1952
- Iberoplinthus casalei
- Iberoplinthus curvirostris
- Iberoplinthus imbricatus
- Iberoplinthus kricheldorffi
- Iberoplinthus perezi
- Iberoplinthus vidanoi
- Iberoporus cermenius
- Iberoppia paradoxa
- Iberoscolex microepigeus
- Iberospongia globulara
- Iberotelus cinereus Lyneborg, 1989
- Iberotelus inexpectatus Lyneborg, 1989
- Iberotrechus bolivari
- Iberus alcarazanus (Guirao, 1854)
- Iberus aloensis Ferussac
- Iberus alonensis Ferussac
- Iberus alonensis labiatus (Cobor)
- Iberus alonensis marinae (Cobor, 1979)
- Iberus alvaradoi Nicolas, 1957
- Iberus campesinus Ezquerra del Bajo
- Iberus carthagienensis
- Iberus carthaginensis (Rossmassler, 1854)
- Iberus carthelaginiensis
- Iberus drepanensis
- Iberus elegans elegans Ahuir
- Iberus gualterianus subsp. alonensis (A. Férussac, 1821)
- Iberus gualtierana Linne
- Iberus gualtieranus ornatissimus Cobos, 1979
- Iberus gualtieranus alonensis
- Iberus gualtieranus campesinus
- Iberus gualtieranus carthaginiensis
- Iberus gualtieranus gualtieranus
- Iberus gualtieranus mariae
- Iberus gualtieranus ornatissimus
- Iberus gualtieranus posthumus
- Iberus gualtieranus rhodopeplus
- Iberus gualtierianus campesinus (L., Pfeiffer, 1846)
- Iberus gualtierianus alonensis (Ferussac, 1821)
- Iberus gualtierianus fasciatus
- Iberus gualtierianus gualtierianus (Linnaeus, 1758)
- Iberus gualtierianus guiraoanus (Rössmaessler, 1854)
- Iberus gualtierianus loxanus (Rossmässier, 1846)
- Iberus gualtierianus ortizi Garcia San Nicolás, 1957
- Iberus loxanus loxanus Roßmäßler / Rossmässler
- Iberus marmorata
- Iberus marmoratus cobosi Ibáñez & Alonso, 1978
- Iberus marmoratus alcarazanus
- Iberus marmoratus cobosi
- Iberus marmoratus guiraoanus
- Iberus marmoratus loxanus
- Iberus marmoratus marmoratus
- Iberus marmoratus rositai
- Iberus massylaea
- Iberus muralis (Red Barbier)
- Iberus nummus
- Iberus punica
- Iberus qualtieranus Linnaeus, 1758
- Iberus rositai S.de Fez
- Iberus scabriuscula
- Iberus scherzeri (Morrison’s Dragonet)
- Iberus segestana
- Iberus serpentina
- Iberus strigata
- Iberus vanvincquiae
- Ibex sibirica Pallas, 1776
- Ibex sibirica merzbacheri Leisewitz, 1906
- Ibexocoris absolutus Scudder
- Ibexocoris decellei Scudder
- Ibidion andre� THOMSON James,1867
- Ibidion armandinae biguttatum
- Ibidion armandin� CHABRILLAC Fran�ois,1857
- Ibidion biguttatum binocularis
- Ibidion comatum Audinet-Serville, 1834
- Ibidion eburio�des THOMSON James,1878
- Ibidion elegans zonata
- Ibidion elegans zonatum
- Ibidion erburnigerum Aurivillius
- Ibidion gnomo�des THOMSON James,1867
- Ibidion �dicneme BATES Henry Walter,1870
- Ibidion l�sicolle WHITE Adam,1855
- Ibidion obtusum segregatum
- Ibidion pelonio�des THOMSON James,1867
- Ibidion perib�o�des THOMSON James,1867
- Ibidion rubricatum rubronigrum
- Ibidion sph�riinum BATES Henry Walter,1870
- Ibidion subcruciatum spinipenne
- Ibidion subcruciatum spinipennis
- Ibidion textile alacre
- Ibidion textile sericans
- Ibidion venezuel� WHITE Adam,1855
- Ibidionidum rouyeri Pic, 1951
- Ibidionidum corbetti corbetti Gahan, 1894
- Ibidionidum jelineki Holzschuh, 1991
- Ibidoecus bisignatus
- Ibidoecus plataleae
- Ibidorhyncha struthersii Vigors, 1832 (Ibisbill)
- Ibis aethiopica
- Ibis alba
- Ibis carunculata Ruppell, 1837
- Ibis chalcoptera Vieillot 1817
- Ibis cinereus (Animals)
- Ibis ibis (Animals)
- Ibis leucocephalus (Animals)
- Ibis leucopygus Spix, 1825
- Ibis macei
- Ibis nudifrons Spix, 1825
- Ibis oxycercus Spix, 1825
- Ibis rubra
- Ibisia amicorum Thomas, 1985
- Ibisia apfelbecki (Strobl, 1902)
- Ibisia dispar (Bezzi, 1909)
- Ibisia marginata (Fabricius, 1781)
- Ibisia vaillanti Thomas, 1982
- Ibisia vicina (Szilády, 1943)
- Ibitiruna araponga Galileo & Martins, 1997
- Ibitiruna fenestrata (Bates, 1881)
- Ibla cumingi
- Ibla idiotica
- Ibla quadrivalvis
- Ibla segmentata Th. Studer
- Ibosia bleekeri
- Ibotrigonia masatanii
- Ibotyporanga diroa Huber & Brescovit, 2003
- Ibotyporanga emekori Huber & Brescovit, 2003
- Ibotyporanga naideae Mello-Leitao, 1944
- Ibotyporanga ramosae Huber & Brescovit, 2003
- Iburidania bipectinata Kishida
- Ibycter afer
- Ibycter americanus (Boddaert, 1783) (Red-Throated Caracara)
- Ibycter americanus americanus
- Ibycter chimachima
- Ibycter chimango
- Ibycter megalopterus
- Ibycus papuanus I. Rensch, 1932
- Icadyptes salasi
- Icaleptes malkini Kury & Pérez, 2002
- Icalia fragilis
- Icanotia elicita
- Icanotia pacifica
- Icanotia siliqua
- Icanotia xizangensis
- Icaraspidiotus chaetopterus Takagi, 2000
- Icaria africana (Cameron, 1910)
- Icaria cariniscutis Cameron, 1910
- Icaria cayayanensis Ashmead, 1905
- Icaria distincta Schiner, 1868
- Icaria fasciata Smith, 1858
- Icaria fictilis J. F. Macbr.
- Icaria frauenfeldi Schiner, 1868
- Icaria kohni Buysson, 1909
- Icaria pruinosa Cameron, 1906
- Icaria xanthopoda Cameron, 1902
- Icaricia acmon (Acmon Blue)
- Icaricia blackmorei Barnes & McDunnough 1919
- Icaricia buchholzi Dos Passos 1938
- Icaricia icariodes
- Icaricia icarioides Boisduval 1852 (Boisduval’s Blue)
- Icaricia icarioides icarioides
- Icaricia icarioides missionensis (Mission Blue, Mission Blue Butterfly)
- Icaricia icarioides montis
- Icaricia icarioides pembina
- Icaricia lupini (Lupine Blue)
- Icaricia mintha Edwards 1871
- Icaricia missionensis Hovanitz 1937
- Icaricia montis Blackmore 1923
- Icaricia moroensis Sternitzky 1930
- Icaricia neurona (Veined Blue)
- Icaricia shasta (Shasta Blue)
- Icaricia shasta minnehaha
- Icaricia spinimaculata Gunder 1926
- Icaridion nasutum Lamb, 1909
- Icariella hauseri Brignoli, 1979
- Icariomima coeruleiventris Enderlein, 1914
- Icariotis alboscutatus Fairmaire, 1904
- Icariotis basipennis Fairmaire, 1901
- Icariotis fulvicornis Pascoe, 1888
- Icariotis limbipennis Fairmaire, 1901
- Icariotis nigrans Fairmaire, 1901
- Icariotis pallidocinctus Fairmaire, 1896
- Icariotis politicollis Fairmaire, 1905
- Icariotis pruinosus Fairmaire, 1901
- Icariotis scapularis Pascoe, 1888
- Icariotis subsulcata Fairmaire, 1893
- Icariotis tenuipes Fairmaire, 1901
- Icariotis testaceus Fairmaire, 1901
- Icariotis unicolor Pascoe, 1888
- Icaris cinereus Tournier, 1874
- Icaris globicollis Tournier, 1874
- Icaris pertinax Tournier, 1874
- Icaris sparganii Tournier, 1874
- Icaronycteris index
- Icarosaurus seifkeri
- Icarosaurus siefkeri
- Icasma aequabilis Plant, 1991
- Icasma fascipennis Sinclair, 1997
- Icasma longicauda Sinclair, 1997
- Icasma masneri Sinclair, 1997
- Icasma setosa Sinclair, 1997
- Icasma singularis Collin, 1928
- Icasma tararua Sinclair, 1997
- Icelanonchohaptor icelanonchohaptor
- Icelastatis galerucoides (Bates, 1866)
- Icelia brasiliensis Robineau-Desvoidy, 1830
- Icelia flavescens Robineau-Desvoidy, 1830
- Icelinius cavifrons
- Icelinus australis
- Icelinus borealis Gilbert, 1896 (comb Sculpin, Northern Sculpin)
- Icelinus burchami Evermann & Goldsborough, 1907 (Dusky Sculpin, Dusky Sculpin)
- Icelinus burchami burchami
- Icelinus burchami fuscescens
- Icelinus cavifrons Gilbert, 1890 (Pit-Head Sculpin, Pit-Head Sculpin)
- Icelinus filamentosus Gilbert, 1890 (filamented Sculpin, Threadfin Sculpin)
- Icelinus filamentous Gilbert, 1890
- Icelinus filimentosus
- Icelinus fimbriatus Gilbert, 1890 (Fringed Sculpin, Fringed Sculpin, Frogmouth Sculpin, Frogmouth Sculpin)
- Icelinus fuscescens
- Icelinus japonicus Yabe, Tsumura & Katayama, 1980
- Icelinus limbaughi
- Icelinus oculatus Gilbert, 1890 (Frogmouth Sculpin)
- Icelinus pietschi Yabe, Soma & Amaoka, 2001
- Icelinus quadriceriatus (Lockington, 1880)
- Icelinus quadriseriatus (Lockington, 1880) (Yellowchin Sculpin)
- Icelinus quariseriatus
- Icelinus scutiger
- Icelinus spatula
- Icelinus spiniger
- Icelinus spiniger spiniger
- Icelinus strabo
- Icelinus tarandichthys filamentosus
- Icelinus tarandichthys tenuis
- Icelinus tenius
- Icelinus tenuis Gilbert, 1890 (Lesser Filamented Sculpin, Lesser Filamented Sculpin, Spotfin Sculpin, Spotfin Sculpin)
- Icelinus type k
- Icelinus type k
- Icelita cirrholepida Clarke 1976
- Icelita coppelia Clarke 1976
- Icelita hyposcopa Lower 1905
- Icelita monela Clarke 1976
- Icelita tatarana Bradley 1957
- Icelococcus charlini Miller & González, 1975 (Charlin Eriococcin)
- Icelococcus lithreae Hodgson & Miller, 2002
- Icelococcus nothofagi Miller & González, 1975 (Chile Nothofagus Eriococcin)
- Icelus armatus (Schmidt, 1916)
- Icelus bicormis
- Icelus bicornis (Reinhardt, 1840) (Twohorn Sculpin)
- Icelus bicornus
- Icelus borealis
- Icelus canaliculatus Gilbert, 1896 (Blacknose Sculpin, Blacknose Sculpin)
- Icelus caniliculatus
- Icelus cataphractus (Pavlenko, 1910)
- Icelus ecornis Tsutsui & Yabe, 1996
- Icelus euryops Bean, 1890 (Wide-Eye Sculpin, Wide-Eye Sculpin)
- Icelus euryopus Bean, 1890
- Icelus gilberti Taranetz, 1936
- Icelus hamatus
- Icelus honestus C. L. Koch, 1846
- Icelus mandibularis Yabe, 1983
- Icelus notabilis C. L. Koch, 1846
- Icelus ochotensis Schmidt, 1927
- Icelus perminovi Taranetz, 1936
- Icelus pugetensis
- Icelus quadricornis
- Icelus quadriseriatus (Lockington, 1880)
- Icelus rastrinoides Taranetz, 1936
- Icelus sartiger Bean
- Icelus scepticus
- Icelus spatula Gilbert & Burke, 1912 (Spatulate Sculpin, Spatulate Sculpin)
- Icelus spatula bispinis
- Icelus spatula ochotensis
- Icelus spatula spatula
- Icelus spatula stenosomus
- Icelus spiniger Gilbert, 1896 (Thorny Sculpin, Thorny Sculpin)
- Icelus spiniger cataphractus
- Icelus spiniger intermedius
- Icelus spiniger spininger Gilbert, 1896 (Thorny Sculpin)
- Icelus spinniger Gilbert, 1896
- Icelus stenosomus Andriashev, 1937
- Icelus tenuis
- Icelus toyamensis (Matsubara & Iwai, 1951)
- Icelus uncinalis Gilbert & Burke, 1912 (Uncinate Sculpin)
- Icelus uncinalis crassus
- Icelus uncinalis stenosomus
- Icelus uncinatus Gilbert & Burke, 1912
- Icerya aegyptiaca (Douglas, 1890)
- Icerya albolutea Cockerell, 1898
- Icerya bimaculata De, 1959
- Icerya brachystegiae Hall, 1940
- Icerya brasiliensis Hempel, 1900
- Icerya callitri (Froggatt, 1923)
- Icerya chilensis Hempel, 1920
- Icerya colimensis Cockerell, 1902
- Icerya corticalis Vayssière, 1926
- Icerya flava Hempel, 1920
- Icerya flocculosa Hempel, 1932
- Icerya formicarum Newstead, 1897
- Icerya genistae Hempel, 1912
- Icerya hanoiensis Jashenko, 1992
- Icerya hyperici Froggatt, 1919
- Icerya imperatae Rao, 1951
- Icerya insulans Hempel, 1923
- Icerya koebelei Maskell, 1893
- Icerya littoralis littoralis Cockerell, 1898
- Icerya littoralis mimosae Cockerell, 1898
- Icerya littoralis tonilensis Cockerell, 1902
- Icerya longisetosa Newstead, 1911
- Icerya luederwaldti Hempel, 1918
- Icerya maynei Vayssière, 1926
- Icerya menoni Rao, 1951
- Icerya minima Morrison, 1919
- Icerya minor Green, 1908
- Icerya montserratensis Riley, 1890
- Icerya morrisoni Rao, 1951
- Icerya nigroareolata Newstead, 1917
- Icerya pulchra (Leonardi, 1907)
- Icerya palmeri Riley, 1890
- Icerya pattersoni Newstead, 1917
- Icerya paulista Hempel, 1920
- Icerya formicarum Newstead, 1897
- Icerya pilosa Green, 1896
- Icerya pulchra (Leonardi, 1907)
- Icerya purchasi citriperda Hempel, 1920 (Cottony Cushion Scale)
- Icerya purchasi citriperda Hempel, 1920
- Icerya purchasi crawii Cockerell, 1897
- Icerya purchasi maskelli Cockerell, 1897
- Icerya purchasi purchasi Maskell, 1879
- Icerya rileyi larreae Cockerell, 1902
- Icerya rileyi rileyi Cockerell, 1895
- Icerya schoutedeni Vayssière, 1926
- Icerya schrottkyi Hempel, 1900
- Icerya seychellarum seychellarum (Westwood, 1855)
- Icerya seychellarum cristata Newstead, 1908
- Icerya seychellarum seychellarum (Westwood, 1855)
- Icerya similis Morrison, 1927
- Icerya splendida Lindinger, 1913
- Icerya subandina Leonardi, 1911
- Icerya sulfurea Lindinger, 1913
- Icerya sumatrana Rao, 1951
- Icerya taunayi Hempel, 1920
- Icerya travancorensis Rao, 1951
- Icerya tremae Vayssière, 1926
- Icerya zimmermanni Green, 1932
- Icharonia leonhardiana
- Ichnestoma albomaculata Gory & Percheron, 1833
- Ichnestoma cuspidata Fabricius, 1787
- Ichnestoma ficqi Stobbia, 1995
- Ichnestoma krikkeni Holm, 1992
- Ichnestoma luridipennis Burmeister, 1842
- Ichnestoma nasuta Schaum, 1848
- Ichnestoma perstriata Holm, 1992
- Ichnestoma picta Peringuey, 1885
- Ichnestoma pringlei Perissinotto, Smith & Stobbia, 1999
- Ichnestoma rostrata Janson, 1878
- Ichnestoma stobbiai Holm, 1992
- Ichnestoma struempheri Holm & Perissinotto, 2004
- Ichneumenoptera albiventris Beutenmüller 1899
- Ichneumenoptera auripes Hampson 1892
- Ichneumenoptera caeruleifascia Rothschild 1911
- Ichneumenoptera caerulipes Hampson 1906
- Ichneumenoptera cyanescens Hampson 1910
- Ichneumenoptera dohertyi Rothschild 1911
- Ichneumenoptera flavicincta Hampson 1892
- Ichneumenoptera flavipalpis Hampson 1892
- Ichneumenoptera flavipectus Hampson 1910
- Ichneumenoptera gracilis Hampson 1910
- Ichneumenoptera ignifera Hampson 1892
- Ichneumenoptera xanthosoma Hampson 1892
- Ichneumia albicauda (G. [Baron] Cuvier, 1829) (White-Tailed Mongoose)
- Ichneumia albicauda albicauda
- Ichneumia albicauda dialeucos
- Ichneumia albicauda grandis
- Ichneumia albicauda ibeana
- Ichneumia albicauda ibeanus
- Ichneumia albicauda ioempo
- Ichneumia albicauda loempo
- Ichneumia nims
- Ichneumolaphria schachti Geller-Grimm, 1997
- Ichneumolaphria zikani Carrera, 1951
- Ichneumon acosmus Kriechbaumer, 1880
- Ichneumon acourti
- Ichneumon acuticornis Thomson, 1896
- Ichneumon admontis Hilpert, 1992
- Ichneumon aequicalcar Thomson, 1888
- Ichneumon affector Tischbein, 1879
- Ichneumon albicollis Grav.
- Ichneumon albiger Wesm.
- Ichneumon albiornatus Tischbein, 1879
- Ichneumon alius Tischbein, 1879
- Ichneumon almeriae Hilpert, 1992
- Ichneumon alpestriops Heinrich, 1951
- Ichneumon alpestris Holmgren, 1864
- Ichneumon alpha
- Ichneumon alpinator Aubert, 1964
- Ichneumon altaicola Heinrich, 1978
- Ichneumon altipeta Kriechb.
- Ichneumon amphibolus Kriechbaumer, 1888
- Ichneumon ampliventris Berthoumieu, 1894
- Ichneumon analis Gravenhorst, 1829
- Ichneumon analisorius Heinrich, 1952
- Ichneumon annaelisae himalayanus Heinrich, 1965
- Ichneumon annaelisae himalayanus Heinrich, 1965
- Ichneumon anonymus Heinrich, 1961
- Ichneumon appetens Kawall, 1868
- Ichneumon aquilonius Perkins, 1953
- Ichneumon aranearum Retzius, 1783
- Ichneumon aries Kriechb.
- Ichneumon arvernicus Pic, 1914
- Ichneumon balteatus Wesmael, 1845
- Ichneumon bavaricus Hilpert, 1992
- Ichneumon bellipes Wesmael, 1845
- Ichneumon berninae (Habermehl, 1916)
- Ichneumon bicinctus Fuesslin, 1775
- Ichneumon bicingulus (Townes, Momoi & Townes, 1965)
- Ichneumon bifasciatus Geoffroy, 1785
- Ichneumon bivitatus bivitatus Matsumura
- Ichneumon bivitatus bivitatus
- Ichneumon boreellus Thomson, 1896
- Ichneumon brevis Tischbein, 1873
- Ichneumon broweri Heinrich, 1961
- Ichneumon browniops Heinrich, 1969
- Ichneumon bucculentus Wesm.
- Ichneumon burgas Heinr.
- Ichneumon buryas Heinrich, 1949
- Ichneumon caedator Gravenhorst, 1829
- Ichneumon caloscelis Wesmael, 1845
- Ichneumon canadicola Heinrich, 1961
- Ichneumon cannoni
- Ichneumon capriolus Hilpert, 1992
- Ichneumon caproni Perkins
- Ichneumon captorius Thunberg, 1824
- Ichneumon carinator Fabricius, 1798
- Ichneumon cauui Smith 1836
- Ichneumon cavator Müller, 1776
- Ichneumon centummaculatus Christ
- Ichneumon cerebrosus Wesmael, 1859
- Ichneumon cerinthius Gravenhorst, 1820
- Ichneumon cessator Mueller
- Ichneumon chalybeus Ratzeburg, 1844
- Ichneumon chasmodops Heinrich, 1961
- Ichneumon cinxiae Kriechbaumer, 1890
- Ichneumon computatorius
- Ichneumon concretus
- Ichneumon confusor Grav.
- Ichneumon coniger Tischbein, 1876
- Ichneumon connectens
- Ichneumon conscopa Heinrich, 1961
- Ichneumon contrarius Berthoumieu, 1895
- Ichneumon coreanus (Kim)
- Ichneumon crassifemur Thomson, 1886
- Ichneumon crassitarsis Thomson
- Ichneumon craterorum Heinrich, 1978
- Ichneumon croceipes Wesm.
- Ichneumon cupidus Kawall, 1868
- Ichneumon curtulus Kriechbaumer, 1882
- Ichneumon cyanimontis Heinrich, 1978
- Ichneumon cyaniventris Wesmael
- Ichneumon cynthiae Kriechbaumer, 1888
- Ichneumon decrepitus
- Ichneumon decurtatus Wesmael, 1845
- Ichneumon delator Wesmael, 1845
- Ichneumon denticulator Müller, 1776
- Ichneumon didymus Gravenhorst, 1829
- Ichneumon dilleri Heinrich, 1980
- Ichneumon dillerorum Heinrich, 1968
- Ichneumon discriminator Wesm.
- Ichneumon diversor Wesmael, 1855
- Ichneumon dolosus Wesmael, 1855
- Ichneumon dormitans
- Ichneumon emancipandus Heinr.
- Ichneumon emancipatops Heinrich, 1978
- Ichneumon emancipatus Wesmael, 1845
- Ichneumon enervator Linnaeus, 1758
- Ichneumon eremitatorius Zetterstedt, 1838
- Ichneumon erythromerus Wesmael, 1857
- Ichneumon eumerus Kriechb.
- Ichneumon eurypus Heinrich, 1961
- Ichneumon exesus
- Ichneumon exilicornis Wesmael, 1857
- Ichneumon extensorius Linnaeus, 1758
- Ichneumon factor Dalla Torre, 1901
- Ichneumon feriens Heinrich, 1961
- Ichneumon ferrandi Pic, 1914
- Ichneumon filatus (Tischbein, 1879)
- Ichneumon flavoclypeatus Pfeffer, 1913
- Ichneumon flavoguttatus (Uchida)
- Ichneumon formosus Grav.
- Ichneumon freyi Kriechb.
- Ichneumon fuliginosus Habermehl, 1909
- Ichneumon fulvicornis Gravenhorst, 1829
- Ichneumon fuscifrons torreyae Heinrich, 1977
- Ichneumon fuscifrons torreyae Heinrich, 1977
- Ichneumon generosus Smith
- Ichneumon gibbosus Brischke, 1878
- Ichneumon gibbulus Thomson, 1886
- Ichneumon glaucopygos Heinrich, 1961
- Ichneumon gracilentus Wesm.
- Ichneumon gracilicornis Wesm.
- Ichneumon gracilicornops Heinrich, 1961
- Ichneumon grandicornis Thomson, 1886
- Ichneumon gratus Wesm.
- Ichneumon gravipes Wesm.
- Ichneumon guttatus Ratzeburg, 1844
- Ichneumon haematofemur Heinrich, 1980
- Ichneumon haematonotus Wesmael, 1859
- Ichneumon haemorrhoicus Kriechbaumer, 1887
- Ichneumon haeselbarthi Heinr.
- Ichneumon haglundi Holmgr.
- Ichneumon helleni Heinrich, 1951
- Ichneumon helveticus (Pic, 1899)
- Ichneumon hiltoni Heinrich, 1969
- Ichneumon hinzi Heinrich, 1972
- Ichneumon hircinus Holmgr.
- Ichneumon homorus Heinrich, 1961
- Ichneumon hypolius Thomson, 1888
- Ichneumon ignobilis Wesm.
- Ichneumon immisericors Tischb.
- Ichneumon indosessor Heinrich, 1965
- Ichneumon ingae Heinrich, 1980
- Ichneumon ingratus (Hellén, 1951)
- Ichneumon inops Holmgren, 1880
- Ichneumon inquinatus Wesm.
- Ichneumon insidiosus Wesm.
- Ichneumon intermedius Constantineanu & Voicu, 1977
- Ichneumon intricator Wesmael, 1855
- Ichneumon inutilis Wesmael, 1855
- Ichneumon jugicola Heinrich, 1949
- Ichneumon karpaticus Heinrich, 1951
- Ichneumon lacunae Heinrich, 1969
- Ichneumon laevibasis Hellén, 1951
- Ichneumon languidus Wesm.
- Ichneumon lapponicus Hellén, 1951
- Ichneumon latecinctus Schmiedeknecht, 1929
- Ichneumon lateralis Kriechbaumer, 1887
- Ichneumon latrator F.
- Ichneumon lautatorius Desvignes
- Ichneumon lectus Kokujev, 1908
- Ichneumon leptostigma Kriechbaumer, 1888
- Ichneumon leucocoxalis Heinrich, 1961
- Ichneumon leucopeltis Thomson, 1888
- Ichneumon ligatorius Thunb.
- Ichneumon longicrus Uchida
- Ichneumon luteipes Wesm.
- Ichneumon macilentus (Tischbein, 1881)
- Ichneumon mainensis Heinrich, 1962
- Ichneumon malaisei Heinrich, 1965
- Ichneumon manicatus Holmgren, 1864
- Ichneumon marmotus Hilpert, 1992
- Ichneumon megapodius Heinr.
- Ichneumon melanobatus Gravenhorst, 1829
- Ichneumon melanoceras Ratzeburg, 1844
- Ichneumon melanoleucos Gmelin, 1790
- Ichneumon melanophthalmus Schrank, 1776
- Ichneumon melanopygus Wesmael, 1855
- Ichneumon melanosomus Wesmael, 1855
- Ichneumon melanotis Holmgr.
- Ichneumon memorator Wesmael, 1845
- Ichneumon microferiens Heinrich, 1961
- Ichneumon micropnygus
- Ichneumon minutorius Desvignes
- Ichneumon mixtus Gmelin, 1790
- Ichneumon moelleri Holmgren, 1884
- Ichneumon molitorius Linnaeus, 1761
- Ichneumon monoal. monoalbatus
- Ichneumon monospilus Thomson, 1896
- Ichneumon mordax Kriechbaumer, 1875
- Ichneumon multipictus Gravenhorst, 1820
- Ichneumon mystificans Heinrich, 1961
- Ichneumon nanusniger Heinrich, 1975
- Ichneumon nebulosae Hinz, 1975
- Ichneumon neglectus Haberm.
- Ichneumon neosarcitor Heinrich, 1961
- Ichneumon nereni emigrator Heinrich, 1961
- Ichneumon nereni emigrator Heinrich, 1961
- Ichneumon nigroindicus (Kim)
- Ichneumon norvegicus Hilpert, 1992
- Ichneumon novemalbatus Kriechbaumer, 1875
- Ichneumon nubigenus Roman, 1938
- Ichneumon nyssaeus Holmgren, 1878
- Ichneumon obduratus
- Ichneumon obliteratus Wesmael, 1855
- Ichneumon oblitus Heinrich, 1961
- Ichneumon oblongus Schrank, 1802
- Ichneumon obscuritarsis Dalla Torre, 1902
- Ichneumon obscurus Geoffroy, 1785
- Ichneumon observandus Heinr.
- Ichneumon occidentis Hilpert, 1992
- Ichneumon opacus Tischbein, 1881
- Ichneumon ostentator Heinrich, 1978
- Ichneumon oviventroides Hinz, 1975
- Ichneumon ovulorum Linnaeus
- Ichneumon paegniarius Heinr.
- Ichneumon palaearctops Heinrich, 1975
- Ichneumon palugracilicornis Bauer, 1999
- Ichneumon paramajops Heinrich, 1975
- Ichneumon parengensis Kiss, 1929
- Ichneumon peloponnesus Heinrich, 1980
- Ichneumon petrophilus Heinr.
- Ichneumon phaeostigmus Wesmael, 1857
- Ichneumon piceatorius Gravenhorst, 1820
- Ichneumon pictus Bauer, 1936
- Ichneumon pinquicornis Bauer, 1985
- Ichneumon plautus Hilpert, 1992
- Ichneumon pollens
- Ichneumon polyxanthus (Kriechbaumer, 1869)
- Ichneumon porcellus Hilpert, 1992
- Ichneumon posticus Geoffroy, 1785
- Ichneumon primatorius Foerster
- Ichneumon primigenius
- Ichneumon proletarius Wesmael, 1848
- Ichneumon propinquus Tischbein, 1874
- Ichneumon provectus
- Ichneumon pseudocaloscelis Heinr.
- Ichneumon pseudoconfusor Heinr.
- Ichneumon pseudocynthiae Heinr.
- Ichneumon pseudovivax Heinrich, 1961
- Ichneumon pseudowinkleyi Heinrich, 1961
- Ichneumon pulvinatus Kriechbaumer, 1874
- Ichneumon pusillamoenus Heinrich, 1961
- Ichneumon pygolissus Heinr.
- Ichneumon quadrialbatus Grav.
- Ichneumon quadriannellatus Thomson, 1893
- Ichneumon quaesitorius L.
- Ichneumon quaestor Heinr.
- Ichneumon quinquealbatus Kriechbaumer, 1890
- Ichneumon revulnerator Heinr.
- Ichneumon rhododendron Heinrich, 1965
- Ichneumon rogenhoferi Kriechb.
- Ichneumon rogenhoferops Heinrich, 1980
- Ichneumon rudolphi Holmgren, 1884
- Ichneumon ruficaput Heinrich, 1965
- Ichneumon ruficollis Holmgr.
- Ichneumon rufidorsatus Bridgman, 1887
- Ichneumon rufigena Kriechbaumer, 1875
- Ichneumon ruttneri Heinr.
- Ichneumon samoanus Fullaway
- Ichneumon sarcitorius Linnaeus, 1758
- Ichneumon saxifragator Bauer, 1985
- Ichneumon scopulator Berthoumieu, 1892
- Ichneumon sculpturatus Holmgren, 1864
- Ichneumon seisensis Kriechbaumer, 1893
- Ichneumon semiorbitalis Gravenhorst, 1820
- Ichneumon sexcinctus Gravenhorst, 1829
- Ichneumon siculus
- Ichneumon signaticornis Kriechbaumer, 1893
- Ichneumon silaceus Gravenhorst, 1829
- Ichneumon similaris
- Ichneumon simulans Tischbein, 1873
- Ichneumon somniatus
- Ichneumon spurius Wesmael, 1848
- Ichneumon stenocerus Thomson, 1887
- Ichneumon stigmatorius Zetterstedt, 1838
- Ichneumon stramentarius Grav.
- Ichneumon stramentor Rasn.
- Ichneumon subalpinus Holmgren, 1864
- Ichneumon subannulatus Gravenhorst, 1820
- Ichneumon subgen. Torymus Dalman,
- Ichneumon submarginatus Gravenhorst, 1829
- Ichneumon subquadratus Thomson
- Ichneumon subsolis Hilpert, 1992
- Ichneumon suburbanus Heinrich, 1961
- Ichneumon subversatus Heinrich, 1961
- Ichneumon sulcatoriops Hilpert, 1992
- Ichneumon sulcatorius Heinr.
- Ichneumon sulcatus Berth.
- Ichneumon sulphuratus Kriechb.
- Ichneumon supersanguineus Heinr.
- Ichneumon suspiciosus Wesm.
- Ichneumon suturalis Holmgren, 1864
- Ichneumon taenionotus Smith 1834
- Ichneumon tenuicornutus Heinr.
- Ichneumon terminatorius Grav.
- Ichneumon thomsoni Holmgren, 1864
- Ichneumon torpefactus
- Ichneumon tottor Thunberg,1822
- Ichneumon trialbatus Kriechbaumer, 1880
- Ichneumon tuberculipes
- Ichneumon vafer Tischbein, 1876
- Ichneumon valdopacus Heinrich, 1961
- Ichneumon validicornis Holmgr.
- Ichneumon variegatorius Holmgr.
- Ichneumon variolosus Holmgr.
- Ichneumon ventus Hilpert, 1992
- Ichneumon veressi (Kiss, 1915)
- Ichneumon vorax Geoffroy, 1785
- Ichneumon vulneratorius Zetterstedt, 1838
- Ichneumon walkeri Wesm.
- Ichneumon xanthorius Forster, 1771
- Ichneumon yumyum Kriechbaumer
- Ichneumon zonalis Grav.
- Ichneumonidae subfam. Ichneumoninae
- Ichneumonops mirabilis Townsend, 1908
- Ichneumonopsis burmensis Hardy, 1973
- Ichneumonosoma heinrichi Hering, 1941
- Ichneutes brevis Wesmael, 1835
- Ichneutes facialis Thomson, 1895
- Ichneutes flaviventris Hellén, 1958
- Ichneutes fulvipes Cresson 1872
- Ichneutes hyperboreus Holmgren, 1869
- Ichneutes lapponicus Thomson, 1895
- Ichneutes liosternus Roman, 1923
- Ichneutes microstigma Thomson, 1895
- Ichneutes pikonematis
- Ichneutes reunitor Nees, 1816
- Ichneutica cana Howes 1914
- Ichneutica caraunias Meyrick 1887
- Ichneutica chryserythra Hampson 1905
- Ichneutica dione Hudson 1898
- Ichneutica dives Philpott 1924
- Ichneutica homerica Howes 1943
- Ichneutica lata Philpott 1915
- Ichneutica lindsayi Philpott 1926
- Ichneutica marmorata Hudson 1924
- Ichneutica nervosa Hudson 1922
- Ichneutica notata Salmon 1946
- Ichnocolus brevipes
- Ichnopus annasona Lowry & Stoddart, 1992
- Ichnopus assimilis
- Ichnopus caritus Lowry & Stoddart, 1992
- Ichnopus cribensis Lowry & Stoddart, 1992
- Ichnopus malpatun
- Ichnopus parriwi Lowry & Stoddart, 1992
- Ichnopus pelagicus Schellenberg, 1926
- Ichnopus serricrus
- Ichnopus spinicornis Boeck, 1861
- Ichnopus taurus Costa, 1853
- Ichnopus tenuicornis (Haswell, 1879)
- Ichnopus walkeri Vinogradov
- Ichnopus wardi Lowry & Stoddart, 1992
- Ichnosomunda sacchii Giusti & Manganelli, 1998
- Ichnotopus capensis
- Ichnotropis bivittata BOCAGE 1866
- Ichnotropis bivittata bivittata BOCAGE 1866
- Ichnotropis bivittata pallida LAURENT 1964
- Ichnotropis capensis SMITH 1838
- Ichnotropis capensis capensis
- Ichnotropis capensis nigrescens LAURENT 1952
- Ichnotropis chapini SCHMIDT 1919
- Ichnotropis grandiceps BROADLEY 1967
- Ichnotropis longipes
- Ichnotropis macrolepidot[a] Peters, 1854
- Ichnotropis microlepidota MARX 1956
- Ichnotropis squamulodas
- Ichnotropis squamulosa PETERS 1854
- Ichnotropis squamulosus
- Ichnotropis tanganicana BOULENGER 1917
- Ichnotropsis squamulosa
- Ichnotropus squamulosa
- Ichnusella eione Cottarelli, 1971
- Ichnusella pasquinii (Cottarelli, 1969)
- Ichnusocyathus changaiensis
- Ichnusomunda sacchii
- Ichnusomunda usticensis
- Ichnusotricha berninii
- Ichoria chalcomedusa Druce 1893
- Ichoria chrostosomides Schaus 1905
- Ichoria demona Druce 1897
- Ichoria improcera Draudt 1915
- Ichoria maura Draudt 1915
- Ichoria mexicana Draudt 1931
- Ichoria multigutta Schaus 1884
- Ichoria orizabena Draudt 1915
- Ichoria pyrrhonota Zerny 1931
- Ichoria quadrigutta Walker 1854
- Ichoria semiopaca Dognin 1906
- Ichoria thyrassia Zerny 1931
- Ichoria tricincta Herrich-Schäffer 1855
- Ichoria virescens Dognin 1914
- Ichoronyssus miniopteri (Zumpt & Patterson, 1952)
- Ichtalurus punctatus
- Ichteria virens
- Ichthaelurus robustus
- Ichthelis rubricauda
- Ichthiacris aptera Hebard 1932
- Ichthiacris californica Bolivar, I. 1905
- Ichthiacris celata Kevan, D.K.M. 1990
- Ichthiacris costulata Bolivar, I. 1905
- Ichthiacris elongata Kevan, D.K.M., A. Singh & Akbar 1964
- Ichthiacris mexicana (Bruner, 1905-06)
- Ichthiacris oculata (Bruner, 1905-06)
- Ichthiacris palmeri (Bruner, 1905-06)
- Ichthiacris parva Kevan, D.K.M. 1990
- Ichthiacris rehni Bolivar, I. 1905
- Ichthiacris spinifera Kevan, D.K.M. 1990
- Ichthyacanthus platypus
- Ichthyaetus ichthyaetus
- Ichthyapus acuticeps (Barnard, 1923) (Sharpnose Sand-Eel, Sharpnose Sand-Eel)
- Ichthyapus acutirostris Brisout de barneville
- Ichthyapus insularis McCosker, 2004
- Ichthyapus omanensis (Norman, 1939) (Oman Snake Eel)
- Ichthyapus ophioneus (Evermann & Marsh, 1900) (Finless Snake Eel, Sand Eel, Surf Eel)
- Ichthyapus selachops (Jordan & Gilbert, 1882) (Smiling Sand Eel, Smiling Snake-Eel)
- Ichthyapus vulturis (Weber & de Beaufort, 1916) (Vulture Eel, vulture Sand Eel)
- Ichthyaria aviculata
- Ichthyaspis ficicola (Takahashi, 1931)
- Ichthyborus besse (Joannis, 1835) (Ltay)
- Ichthyborus besse besse
- Ichthyborus besse congolensis
- Ichthyborus microlepis
- Ichthyborus monodi (Pellegrin, 1927) (Grass-Eaters)
- Ichthyborus niloticus
- Ichthyborus ornatus (Boulenger, 1899)
- Ichthyborus quadrilineatus (Pellegrin, 1904)
- Ichthyborus ornatus (Boulenger, 1899)
- Ichthydium armigerum Balsamo & Fregni, 1995
- Ichthydium auritum Brunson, 1950
- Ichthydium balatonicum Varga, 1951
- Ichthydium bifasciale Schwank, 1990
- Ichthydium bifurcatum Preobrajenskaja, 1926
- Ichthydium brachykolon Brunson, 1949
- Ichthydium cephalobares Brunson, 1949
- Ichthydium crassum Daday, 1905
- Ichthydium cyclocephalum Grünspan, 1908
- Ichthydium diacanthum Balsamo & Todaro, 1995
- Ichthydium dubiu
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