- Extinct in the wild (EW): 1 species
- Critically endangered (CR): 520 species
- Endangered (EN): 1,132 species
- Vulnerable (VU): 1,082 species
- Near threatened (NT, LR/cd): 897 species
- Least concern (LC): 6,802 species
- Data deficient (DD): 3,255 species
Insect species (IUCN, 2025-2)
- 13,696 extant species have been evaluated
- 10,441 of those are fully assessed[a]
- 7,699 are not threatened at present[b]
- 2,742 to 5,997 are threatened[c]
- 59 to 175 are extinct or extinct in the wild:
- 58 extinct (EX) species[d]
- 1 extinct in the wild (EW)
- 116 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
- excludes data deficient evaluations.
- NT, LR/cd, LC.
- Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- Chart omits extinct (EX) species
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 58 extinct species, 46 possibly extinct species, and one Extinct in the wild species of insect.[1][2]
Caddisflies
Extinct species
- Tobias' caddisfly (Hydropsyche tobiasi)
- Castle Lake caddisfly (Rhyacophila amabilis)
- Athens caddisfly (Triaenodes phalacris)
- Three-tooth caddisfly (Triaenodes tridonata)
Mayflies
Extinct species
- Pecatonica river mayfly (Acanthametropus pecatonica)
- Robust burrowing mayfly (Pentagenia robusta)
Flies
Extinct species
Earwigs
Extinct species
- Saint Helena earwig (Labidura herculeana)
Lice
Extinct species
- California Condor Louse (Colpocephalum californici)
Plecoptera
Extinct species
- Robert's stonefly (Alloperla roberti)
Hemiptera
Extinct species
Blattodea
Extinct species
Possibly extinct species
Phasmatodea
Extinct species
- Ridley's stick insect (Pseudobactricia ridleyi)
Orthoptera
Extinct species
- Central Valley grasshopper (Conozoa hyalina)
- Rocky Mountain locust (Melanoplus spretus)
- Antioch dunes shieldback katydid (Neduba extincta)
Possibly extinct species
- Morogoro pretty grasshopper (Acanthothericles bicoloripes)
- Zanzibar giant forest grasshopper (Allaga ambigua)
- Usambara splendid grasshopper (Anischnansis burtti)
- Morogoro monkey grasshopper (Chromomastax movogovodia)
- Mpwapwa silent grasshopper (Chromousambilla burtti)
- Maspalomas bow-legged grasshopper (Dericorys minutus)
- Kilosa noble grasshopper (Eupropacris abbreviata)
- Mlingano monkey grasshopper (Euschmidtia bidens)
- Burtt's monkey grasshopper (Euschmidtia burtti)
- Dirsh's monkey grasshopper (Euschmidtia dirshi)
- Phipps' monkey grasshopper (Euschmidtia phippsi)
- Dar-es-salaam monkey grasshopper (Euschmidtia viridifasciata)
- Gran Canaria bush-cricket (Evergoderes cabrerai)
- Zulu ambush katydid (Peringueyella zulu)
- Seychelles shortwinged groundhopper (Procytettix fusiformis)
- Three-lobed bush-cricket (Rhacocleis trilobata)
- Peringuey's seedpod shieldback (Thoracistus peringueyi)
Extinct in the wild species
- Oahu deceptor bush cricket (Leptogryllus deceptor)
Hymenopterans
Possibly extinct species
Mantodeans
Possibly extinct species
- Spined dwarf mantis (Ameles fasciipennis)
Lepidoptera
Moths and butterflies
Extinct species
- Poko noctuid moth (Agrotis crinigera)
- Midway noctuid moth (Agrotis fasciata)
- Kerr's noctuid moth (Agrotis kerri)
- Laysan noctuid moth (Agrotis laysanensis)
- Agrotis photophila
- Procellaris grotis noctuid moth (Agrotis procellaris)
- Chestnut ermine moth (Argyresthia castaneela)
- Coleophora leucochrysella
- Deloneura immaculata
- Phleophagan chestnut moth (Ectodemia phleophaga)
- Genophantis leahi
- Xerces blue (Glaucopsyche xerces)
- Confused moth (Helicoverpa confusa)
- Minute noctuid moth (Helicoverpa minuta)
- Laysan dropseed noctuid moth (Hypena laysanensis)
- Hilo noctuid moth (Hypena newelli)
- Lovegrass noctuid moth (Hypena plagiota)
- Kaholuamano noctuid moth (Hypena senicula)
- Lepidochrysops hypopolia
- Levuana moth (Levuana iridescens)
- Libythea cinyras
- Kona giant looper moth (Scotorythra megalophylla)
- Ko'olau giant looper moth (Scotorythra nesiotes)
- Chestnut clearwing moth (Tischeria perplexa)
- Ola'a peppered looper moth (Tritocleis microphylla)
- Sloane's urania (Urania sloanus)
Possibly extinct species
Beetles
Extinct species
- Apteroessa grossa
- Dryophthorus distinguendus
- Mono Lake diving beetle (Hygrotus artus)
- Mecodema punctellum
- Megadytes ducalis
- Laysan weevil (Oodemas laysanensis)
- Rhantus novacaledoniae
- Rhantus orbignyi
- Rhantus papuanus
- Rhyncogonus bryani
- Perrin's cave beetle (Siettitia balsetensis)
- Fort ross weevil (Trigonoscuta rossi)
- Yorba linda weevil (Trigonoscuta yorbalindae)
Possibly extinct species
Odonata
Includes dragonflies and damselflies.
Extinct species
- Maui upland damselfly (Megalagrion jugorum)
Possibly extinct species
- Anisogomphus solitaris
- Togo red jewel (Chlorocypha jejuna)
- Disparoneura ramajana
- Drepanosticta adami
- Drepanosticta austeni
- Drepanosticta montana
- Drepanosticta submontana
- Enallagma maldivensis
- Heliogomphus lyratus
- Heliogomphus nietneri
- Heteragrion peregrinum
- Macromia flinti
- Molokai damselfly (Megalagrion molokaiense)
- Metaleptobasis gibbosa
- Elusive skimmer (Orthetrum rubens)
- Palaemnema edmondi
- Perissolestes remus
See also
References
- "IUCN Red List version 2016.1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.
- "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.