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As of July 2016, the International Union for Conservation of Nature (IUCN) lists 4069 least concern arthropod species.[1] 43% of all evaluated arthropod species are listed as least concern. The IUCN also lists 27 arthropod subspecies as least concern.

2 extinct in the wild arthropod species (0.02%)393 critically endangered arthropod species (4.1%)626 endangered arthropod species (6.6%)1081 vulnerable arthropod species (11%)398 near threatened arthropod species (4.2%)4080 least concern arthropod species (43%)2890 data deficient arthropod species (31%)
Arthropod species (IUCN, 2016-2)
  • 9470 extant species have been evaluated
  • 6580 of those are fully assessed[lower-alpha 1]
  • 4478 are not threatened at present[lower-alpha 2]
  • 2100 to 4990 are threatened[lower-alpha 3]
  • 83 to 169 are extinct or extinct in the wild:
    • 81 extinct (EX) species[lower-alpha 4]
    • 2 extinct in the wild (EW)
    • 86 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  1. excludes data deficient evaluations.
  2. NT, LR/cd, LC.
  3. Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. Chart omits extinct (EX) species

No subpopulations of arthropods have been evaluated by the IUCN.

This is a complete list of least concern arthropod species and subspecies as evaluated by the IUCN.


Centipedes



Arachnids


There are 21 arachnid species assessed as least concern.


Spiders



Schizomida



Pseudoscorpions



Branchiopoda



Millipedes



Malacostracans


Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 1193 malacostracan species and 15 malacostracan subspecies assessed as least concern.


Isopods



Decapods


There are 1191 decapod species and 15 decapod subspecies assessed as least concern.


Parastacids


Gecarcinucids


Atyids

Species

Subspecies


Cambarids

Species and subspecies

  • Teche painted crayfish (Orconectes hathawayi hathawayi)

Potamonautids


Pseudothelphusids


Potamids


Palaemonids

Species

Subspecies


Trichodactylids


Spiny lobsters


Lobsters


Slipper lobsters


Polychelids


Other decapod species


Krill species



Insects


There are 2843 insect species and 12 insect subspecies assessed as least concern.


Earwigs



Blattodea



Phasmatodea species



Termites



Orthoptera


There are 184 species and six subspecies in the order Orthoptera assessed as least concern.


Crickets


Acridids


Tettigoniids

Species

Subspecies


Rhaphidophorids


Phaneropterids

Species

Subspecies


Other Orthoptera species


Hymenoptera


There are 106 species in the order Hymenoptera assessed as least concern.


Ants


Colletids


Melittids


Apids


Halictids


Andrenids


Megachilids


Mantises



Lepidoptera


Lepidoptera comprises moths and butterflies. There are 420 species and one subspecies in the order Lepidoptera assessed as least concern.


Swallowtail butterflies


Lycaenids


Nymphalids


Skippers

Species

Subspecies


Pierids


Riodinids


Beetles


There are 423 beetle species assessed as least concern.


Geotrupids


Longhorn beetles


Click beetles


Eucnemids


Scarabaeids


Other beetle species


Odonata


Odonata includes dragonflies and damselflies. There are 1690 species and five subspecies in the order Odonata assessed as least concern.


Platystictids


Chlorogomphids


Argiolestids


Perilestids


Chlorocyphids


Platycnemidids

Species

Subspecies


Synlestids


Megapodagrionids


Gomphids


Cordulegastrids


Corduliids


Calopterygids


Coenagrionids

Species

Subspecies


Euphaeids


Synthemistids


Macromiids


Lestids


Aeshnids


Libellulids

Species

Subspecies


Polythorids


Other Odonata species


See also



References


  1. "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.


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