| English or local name | Scientific name | Range | Last seen |
|---|---|---|---|
| Levuana moth | Levuana iridescens | Viti Levu | 1925 |
| Madeiran large white | Pieris brassicae wollastoni | Madeira | 1977 |
| Sloane’s urania | Urania sloanus | Jamaica | 1894 or 1895 |
| Xerces blue | Glaucopsyche xerces | San Fransisco (USA) | 1941 or 1943 |
| Dark palm moth | Heteropan dolens | Fiji | 20th century |
| Poko noctuid moth | Agrotis crinigera | Maui, Oahu (Hawaii) | 1926 ? |
| Midway noctuid moth | Agrotis fasciata | Midway Islands | 1912 |
| Kerr’s noctuid moth | Agrotis kerri | Hawaii | 1923 |
| Miller moth | Agrotis laysanensis | Laysan (Hawaii) | 1911 |
| Light-loving noctuid moth | Agrotis photophila | Oahu (Hawaii) | 1900 |
| Procellaris grotis noctuid moth | Agrotis procellaris | Laysan (Hawaii) | 1900 ? |
| Robert’s stonefly | Alloperla roberti | Illinois (USA) | ? |
| Chestnut ermine moth | Argyresthia castaneella | New Hampshire, Vermont | 1923 |
| Koolau spur-winged long-legged fly | Emperoptera mirabilis | Oahu (Hawaii) | 1907 |
| Hawaiian mealybug | Clavicoccus erinaceus | Oahu (Hawaii) | ? |
| Chestnut casebearer moth | Coleophora leucochrysella | Indiana, Pennsylvania, Virginia (USA) | Rediscovered in 2020 |
| Central valley grasshopper | Conozoa hyalina | California (USA) | 1953 |
| Mbashe River buff | Deloneura immaculata | South Africa | 1863 |
| (True weevil) | Dryophthorus distinguendus | Hawaii | 1961 ? |
| American chestnut moth | Ectodemia castaneae | USA | ? |
| Phleophagan chestnut moth | Ectodemia phleophaga | Virginia (USA) | ? |
| Leahi pyralid moth | Genophantis leahi | Maui, Oahu, Molokai (Hawaii) | 20th century |
| Confused moth | Helicoverpa confusa | Hawaii | 1927 |
| Minute noctuid moth | Helicoverpa minuta | Hawaii | 1911 |
| Tobias‘ caddisfly | Hydropsyche tobiasi | Germany | 1938 |
| Mono Lake diving beetle | Hygrotus artus | California (USA) | 1984 |
| Hilo noctuid moth | Hypena newelli | Hawaii | 20th century ? |
| Lovegrass noctuid moth | Hypena plagiota | Kauai, Oahu, Maui (Hawaii) | ? |
| Kaholuamano noctuid moth | Hypena senicula | Kauai (Hawaii) | ? |
| Laysan dropseed noctuid moth | Hypena laysanensis | Laysan (Hawaii) | 1911 |
| Morant’s blue | Lepidochrysops hypopolia | South Africa | 1879 |
| Mauritius libythid butterfly | Libythea cinyras | Mauritius | 1865 |
| Stephens Island weevil | Mecodema punctellum | Stephens Island | 1931 |
| Brazilian diving beetle | Megadytes ducalis | Brazil | End of 19th century ? |
| Maui upland damselfly | Megalagrion jugorum | Maui, Lanai (Hawaii) | 1917 |
| Antioch dunes shieldback katydid | Neduba extincta | California (USA) | 1937 ? |
| (Moth) | Oeobia sp. nov. | USA | ? |
| Laysan weevil | Oodemas laysanensis | Laysan (Hawaii) | 1986 |
| Robust burrowing mayfly | Pentagenia robusta | Indiana, Kentucky, Minnesota, Ohio (USA) | 1800 |
| Oahu mealybug | Phyllococcus oahuensis | Hawaii | 1913 |
| New Caledonia diving beetle | Rhantus novacaledoniae | New Caledonia | ? |
| South American diving beetle | Rhantus orbignyi | Argentina, Brazil | ? |
| New Guinea diving beetle | Rhantus papuanus | Papua New Guinea | ? |
| Castle Lake caddisfly | Rhyacophila amabilis | USA | ? |
| Bryan’s weevil | Rhyncogonus bryani | USA | 1911 ? |
| Kona giant looper moth | Scotorythra megalophylla | Hawaii | Early 20th century |
| Koolau giant looper moth | Scotorythra nesiotes | Oahu (Hawaii) | 20th century |
| Perrin’s cave beetle | Siettitia balsetensis | France | 1945 |
| Volutine stoneyian tabanid fly | Stonemyia volutina | USA | ? |
| St. Helena darter | Sympetrum dilatatum | Saint Helena | 1963 |
| Chestnut clearwing moth | Coptotriche perplexa | Virginia (USA) | ? |
| Athens caddisfly | Triaenodes phalacris | Ohio (USA) | ? |
| Fort Ross weevil | Trigonoscuta rossi | California (USA) | ? |
| Yorba Linda weevil | Trigonoscuta yorbalindae | California (USA) | ? |
| Olaa peppered looper moth | Tritocleis microphylla | Hawaii | 1890s |
| Three-tooth caddisfly | Triaenodes tridonata | USA | ? |
| British large copper | Lycaena dispar dispar | England | 1864 |
| Strohbeen’s parnassian | Parnassius clodius strohbeeni | California (USA) | 1956 |
| Atossa fritillary | Speyeria adiaste atossa | California (USA) | 1960 |
| Dutch alcon blue | Maculinea alcon arenaria | Netherlands | 1979 |
| Stephens Island weevil | Mecodema punctellum | Stephens Island | 1931 |
| Rocky Mountain locust | Melanoplus spretus | North America | 1902 |
| Saint Helena earwig | Labidura herculeana | Saint Helena | 1967 |
| Oblivious tiger beetle | Cicindela latesignata obliviosa | North America | ? |
| Pecatonica river mayfly | Acanthametropus pecatonica | USA | ? |
| Desroches cockroach | Margatteoidea amoena | Amirantes | 1905 |
| Ridley’s stick insect | Pseudobactricia ridleyi | Singapore | 1904 |
| (Ground beetle) | Atelothrus transiens | Hawaii | ? |
| Oahu blackburnia ground beetle | Blackburnia insignis | Hawaii | ? |
| Kauai disenochus ground beetle | Disenochus micantipennis | Hawaii | ? |
| Wedge-winged metromenus ground beetle | Metromenus cuneipennis | Hawaii | ? |
| Oceanic metromenus ground beetle | Metromenus oceanicus | Hawaii | ? |
| Haleakala pseudobroscus ground beetle | Pseudobroscus lentus | Hawaii | ? |
| Wilder’s weevil | Dryotribus wilderi | Hawaii | ? |
| (True weevil) | Rhyncogonus extraneus | Hawaii | 1941 |
| (Fly) | Campsicnemus hardyi | Hawaii | 1973 |
| (Fly) | Campsicnemus hawaiiensis | Hawaii | 1973 |
| (Fly) | Campsicnemus zimmermanni | Hawaii | 1973 |
| (Plant bug) | Engytatus phyllostegiae | Hawaii | 1936 |
| Lanai yellow-faced bee | Hylaeus angustula | Hawaii | 1899 ? |
| Blackburn’s yellow-faced bee | Hylaeus blackburni | Hawaii | 1909 |
| Erythrodeme yellow-faced bee | Hylaeus erythrodemas | Hawaii | 1903 |
| Neighbouring yellow-faced bee | Hylaeus finitimus | Hawaii | 1899 ? |
| (Masked bee) | Hylaeus homoeochroma | Hawaii | 1912 ? |
| Broad-headed yellow-faced bee | Hylaeus laticeps | Hawaii | 1894 |
| Maui yellow-faced bee | Hylaeus mauiensis | Hawaii | 1899 ? |
| Black-haired yellow-faced bee | Hylaeus melanothrix | Hawaii | 1896 |
| Changed yellow-face bee | Hylaeus mutatus | Hawaii | 1899 ? |
| (Masked bee) | Hylaeus neglecta | Hawaii | 1902 |
| Obvious yellow-faced bee | Hylaeus perspicua | Hawaii | 1897 |
| Radulan odynerus vespid wasp | Odynerus radula | Hawaii | 1925 |
| Ohe hedyleptan moth | Omiodes asaphromba | Hawaii | 1970s |
| Lord Howe Island cockroach | Panesthia lata | Lord Howe Island | Rediscovered in 2022 |
| Hawaiian hopseed looper moth | Scotorhythra paratactis | Hawaii | 20th century |
| (Moth) | Hyposmocoma neckerensis | Necker Island, Nikumaroro | ? |
| Maui agrotis noctuid moth | Agrotis cremata | Maui (Hawaii) | ? |
| Black-veined agrotis noctuid moth | Agrotis melanoneura | Hawaii | ? |
| Microreas agrotis noctuid moth | Agrotis microreas | Hawaii | ? |
| Kona agrotis noctuid moth | Agrotis panoplias | Hawaii | ? |
| Red anomis noctuid moth | Anomis vulpicolor | Oahu, Molokai (Hawaii) | ? |
| Cloaked bee | Pharohylaeus lactiferus | Australia | Rediscovered in 2020 |
| Spined dwarf mantis | Ameles fasciipennis | Italia | 1871 |
| (Weevil) | Metapocyrtus (Orthocyrtus) bifoveatus | Negros (Philippines) | Rediscovered in 2023 |
| Mante tuberculée | Pseudoyersinia brevipennis | France | 1860 |
| Small-winged stick mantis | Burmorthacris subaptera | Myanmar | Rediscovered in 2022 |
| (Ground beetle) | Calathus extensicollis | Azores (Portugal) | 1859 |
| (Ground beetle) | Bradycellus chavesi | Azores (Portugal) | 1919 |
| (Ground beetle) | Calathus vicenteorum | Azores (Portugal) | 1957 |
| (Chewing louse) | Rallicola extinctus | New Zealand | 1907 |
| Christmas Island flea | Xenopsylla nesiotes | Christmas Island, Australia | 1903 |
| (Chewing louse) | Psittacobrosus bechsteini | Cuba, Isla de la Juventud | 1885 |
| (Dung beetle) | Epactoides giganteus | Réunion | 19th century ? |
| Darwin’s rove beetle | Darwinilus sedarisi | Argentina | 20th century ? |
| Muir’s wedge-shaped beetle | Rhipidocyrtus muiri | Borneo | 1907 |
| Mary Kingsley’s longhorn beetle | Pseudictator kingsleyae | Ghana | 1896 |
| Wallace’s giant bee | Megachile pluto | Moluccas (Indonesia) | Rediscovered in 2019 |
| (Rhinoceros beetle) | Semanopterus kingstoni | Lord Howe Island | 1979 ? |
| (Cicada | Okanagana arctostaphylae | California (USA) | Rediscovered in 2020 |
| The lightning cockroach | Lucihormetica luckae | Tungurahua (Ecuador) | 1939 |
| (Cockroach) | Balta crassivenosa | Silhouette (Seychelles) | 1908 |
| (Cockroach) | Holocompsa pusilla | Mahé (Seychelles) | 1908 |
| (Cockroach) | Sliferia similis | Mahé, Silhouette (Seychelles) | 1908 |
| (Cockroach) | Theganopteryx grisea | Mahé (Seychelles) | 1909 |
| (Cockroach) | Theganopteryx liturata | Mahé (Seychelles) | 1908 |
| (Cockroach) | Theganopteryx scotti | Félicité (Seychelles) | 1908 |
| (Carabidae) | Mecodema costellum (spelles) | New Zealand (South Island) | ? |
| Pitt Island weevil | Thotmus halli | Pitt Island, Chatham Island (New Zealand) | between 1906 and 1908 |
| (Beetle) | Waitomophylax worthy | New Zealand | ? |
| (Chewing louse) | Rallicola pilgrimi | New Zealand | ? |
| (Chewing louse) | Philopteroides xenicus | New Zealand | ? |
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