# List of recently extinct arthropods

* Extinct in the wild (EW): 2 species
* Critically endangered (CR): 393 species
* Endangered (EN): 626 species
* Vulnerable (VU): 1,081 species
* Near threatened (NT, LR/cd): 398 species
* Least concern (LC): 4,080 species
* Data deficient (DD): 2,890 species
* 9470 extant species have been evaluated
* 6580 of those are fully assessed
* 4478 are not threatened at present
* 2100 to 4990 are threatened
* 83 to 169 are extinct or extinct in the wild:
** 81 extinct (EX) species
** 2 extinct in the wild (EW)
** 86 possibly extinct [CR(PE)]
** 0 possibly extinct in the wild [CR(PEW)]
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 81 extinct species, 86 possibly extinct species, and two extinct in the wild species of arthropod.

## Centipedes

Possibly extinct species
* Mecistocephalus cyclops
* Mecistocephalus sechellarum

## Seed shrimps

Extinct species
* Liocypris grandis (listed as extinct however was rediscovered in 2003)
* Namibcypris costata

## Arachnids

Extinct species
* Centrobunus braueri
* Gardiner's giant mite (Dicrogonatus gardineri)
* Caribbean monk seal nasal mite (Halarachne americana)
* Hirstienus nanus
* Metazalmoxis ferruginea
* Peromona erinacea
* Pleorotus braueri
* Sitalcicus gardineri
* Stipax triangulifer
* Thomasettia seychellana
Possibly extinct species
* Afrogarypus seychellesensis
* Biantes parvulus
* Euso muehlenbergi
* Gamasomorpha austera
* Holozoster ovalis
* Ibalonius lomani
* Idioctis intertidalis
* Mitraceras crassipalpum
* Moneta coercervea
* Nesiergus gardineri
* Nesiergus halophilus
* Paccius quadridentatus
* Seychellia lodoiceae
* Sitalcicus incertus
* Steriphopus lacertosus
* Voraptus tenellus

## Millipedes

Extinct species
* Eucarlia alluaudi
* Orthomorpha crinita
* Spirobolellus praslinus
Possibly extinct species
* Diglossosternoides curiosus
* Rhinotus albifrons
* Spirobolellus simplex

## Entognatha

Possibly extinct species
* Ceratophysella sp. 'HC'
* Delamarephorura tami

## Maxillopoda

Extinct species
* Afrocyclops pauliani
* Tropodiaptomus ctenopus

## Malacostracans

Includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others.
Extinct species
* Cambarellus alvarezi
* Macrobrachium leptodactylus
* Sooty crayfish (Pacifastacus nigrescens)
* Sandhills crayfish (Procambarus angustatus)
* Rubious cave amphipod (Stygobromus lucifugus)
* Pasadena freshwater shrimp (Syncaris pasadenae)
Possibly extinct species
* Atya brachyrhinus
* Cambarellus areolatus
* White spring cave crayfish (Cambarus veitchorum)
* Caridina apodosis
* Caridina yilong
* Cryphiops luscus
* Macrobrachium denticulatum
* Macrobrachium oxyphilus
* Macrobrachium purpureamanus
* Macrobrachium scorteccii
* Florida cave shrimp (Palaemonetes cummingi)
* Perbrinckia gabadagei
* Big-cheeked cave crayfish (Procambarus delicatus)
* Procambarus paradoxus
* Sinodina acutipoda
* Strengeriana antioquensis
* Tehuana veracruzana
Extinct in the wild species
* Socorro isopod (Thermosphaeroma thermophilum)

## Insects

Extinct species
* Pecatonica river mayfly (Acanthametropus pecatonica)
* 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)
* Robert's stonefly (Alloperla roberti)
* Chestnut ermine moth (Argyresthia castaneela)
* Campsicnemus mirabilis
* Clavicoccus erinaceus
* Coleophora leucochrysella
* Central Valley grasshopper (Conozoa hyalina)
* Deloneura immaculata
* Drosophila lanaiensis
* Dryophthorus distinguendus
* American chestnut moth (Ectodemia castaneae)
* Phleophagan chestnut moth (Ectodemia phleophaga)
* Genophantis leahi
* Xerces blue (Glaucopsyche xerces)
* Confused moth (Helicoverpa confusa)
* Minute noctuid moth (Helicoverpa minuta)
* Tobias' caddisfly (Hydropsyche tobiasi)
* Mono Lake diving beetle (Hygrotus artus)
* Laysan dropseed noctuid moth (Hypena laysanensis)
* Hilo noctuid moth (Hypena newelli)
* Lovegrass noctuid moth (Hypena plagiota)
* Kaholuamano noctuid moth (Hypena senicula)
* Saint Helena earwig (Labidura herculeana)
* Lepidochrysops hypopolia
* Levuana moth (Levuana iridescens)
* Libythea cinyras
* Margatteoidea amoena
* Mecodema punctellum
* Megadytes ducalis
* Maui upland damselfly (Megalagrion jugorum)
* Rocky Mountain locust (Melanoplus spretus)
* Antioch dunes shieldback katydid (Neduba extincta)
* Oeobia sp.
* Laysan weevil (Oodemas laysanensis)
* Robust burrowing mayfly (Pentagenia robusta)
* Phyllococcus oahuensis
* Ridley's stick insect (Pseudobactricia ridleyi)
* Rhantus novacaledoniae
* Rhantus orbignyi
* Rhantus papuanus
* Castle Lake caddisfly (Rhyacophila amabilis)
* Rhyncogonus bryani
* Kona giant looper moth (Scotorythra megalophylla)
* Ko'olau giant looper moth (Scotorythra nesiotes)
* Perrin's cave beetle (Siettitia balsetensis)
* Stonemyia velutina
* Chestnut clearwing moth (Tischeria perplexa)
* Athens caddisfly (Triaenodes phalacris)
* Three-tooth caddisfly (Triaenodes tridonata)
* Fort ross weevil (Trigonoscuta rossi)
* Yorba linda weevil (Trigonoscuta yorbalindae)
* Ola'a peppered looper moth (Tritocleis microphylla)
* California Condor Louse (Colpocephalum californici)
Possibly extinct species
* Morogoro pretty grasshopper (Acanthothericles bicoloripes)
* Zanzibar giant forest grasshopper (Allaga ambigua)
* Spined dwarf mantis (Ameles fasciipennis)
* Andrena labiatula
* Usambara splendid grasshopper (Anischnansis burtti)
* Anisogomphus solitaris
* Balta crassivenosa
* Bombus rubriventris
* Togo red jewel (Chlorocypha jejuna)
* Morogoro monkey grasshopper (Chromomastax movogovodia)
* Mpwapwa silent grasshopper (Chromousambilla burtti)
* Maspalomas bow-legged grasshopper (Dericorys minutus)
* Disparoneura ramajana
* Drepanosticta adami
* Drepanosticta austeni
* Drepanosticta montana
* Drepanosticta submontana
* Enallagma maldivensis
* 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)
* Heliogomphus lyratus
* Heliogomphus nietneri
* Heteragrion peregrinum
* Holocompsa pusilla
* Macromia flinti
* Megachile cypricola
* Molokai damselfly (Megalagrion molokaiense)
* Metaleptobasis gibbosa
* Nomada siciliensis
* Elusive skimmer (Orthetrum rubens)
* Palaemnema edmondi
* Zulu ambush katydid (Peringueyella zulu)
* Perissolestes remus
* Pieris wollastoni
* Seychelles wingless groundhopper (Procytettix fusiformis)
* Three-lobed bush-cricket (Rhacocleis trilobata)
* Sliferia similis
* Theganopteryx grisea
* Theganopteryx liturata
* Theganopteryx scotti
* Peringuey's seedpod shieldback (Thoracistus peringueyi)
Extinct in the wild species
* Oahu deceptor bush cricket (Leptogryllus deceptor)