List of endangered arthropods

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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[a]
  • 4478 are not threatened at present[b]
  • 2100 to 4990 are threatened[c]
  • 83 to 169 are extinct or extinct in the wild:
    • 81 extinct (EX) species[d]
    • 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
Endangered (EN) species are considered to be facing a very high risk of extinction in the wild.

In July 2016, the

arthropod species.[1]
Of all evaluated arthropod, 6.5% species are listed as endangered. The IUCN also lists 27 arthropod subspecies as endangered.

No subpopulations of arthropods have been evaluated by the IUCN.

For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered arthropods are listed separately. There are 1010 arthropod species which are endangered or critically endangered.

Additionally 2875 arthropod species (30% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN.[2] While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed".[3]

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

Centipedes

Arachnids

There are 72 arachnid species assessed as endangered.

Harvestmen

Spiders

Other arachnid species

Branchiopoda

Millipedes

Malacostracans

Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 170 malacostracan species and six malacostracan subspecies assessed as endangered.

Isopods

Species

Subspecies

Amphipods

Species

Subspecies

Decapods

There are 154 decapod species and two decapod subspecies assessed as endangered.

Parastacids

Gecarcinucids

Atyids

Cambarids

Species

Subspecies

Potamonautids

Potamids

Palaemonids

Species

Subspecies

Other decapod species

Insects

There are 343 insect species and 21 insect subspecies assessed as endangered.

Blattodea

Orthoptera

There are 91 species and two subspecies in the order Orthoptera assessed as endangered.

Lentulids

Tetrigids

Euschmidtiids

Mogoplistids

Pamphagids

Crickets

Species

Subspecies

Acridids

Tettigoniids

Phaneropterids

Species

Subspecies

Hymenoptera

Lepidoptera

Lepidoptera comprises moths and butterflies. There are 51 species in the order Lepidoptera assessed as endangered.

Swallowtail butterflies

Lycaenids

Nymphalids

  • Comoro friar
    (Amauris comorana)
  • Atlas grayling (Arethusana aksouali)
  • Biak dark crow
    (Euploea albicosta)
  • Murphy's crow
    (Euploea caespes)
  • Seychelles crow
    (Euploea mitra)
  • Biak threespot crow
    (Euploea tripunctata)
  • Karpathos grayling (Hipparchia christenseni)
  • Ponza grayling (Hipparchia sbordonii)
  • Hewitson's small tree-nymph
    (Ideopsis hewitsonii)
  • Moroccan wall brown (Lasiommata meadewaldoi)
  • Halicarnas brown (Maniola halicarnassus)
  • Kuekenthal's yellow tiger
    (Parantica kuekenthali)
  • Biak tiger
    (Parantica marcia)
  • Milagros' tiger
    (Parantica milagros)
  • Father Schoenig's chocolate
    (Parantica schoenigi)
  • Bonthain tiger
    (Parantica sulewattan)
  • Timor yellow tiger
    (Parantica timorica)
  • Madeiran speckled wood (Pararge xiphia)
  • Pseudochazara amymone
  • Pseudochazara euxina
  • Schneider's surprise
    (Tiradelphe schneideri)

Other Lepidoptera species

Beetles

There are 72 beetle species assessed as endangered.

Dytiscids

Stag beetles

Geotrupids

Longhorn beetles

Scarabaeids

Other beetle species

Odonata

Odonata includes dragonflies and damselflies. There are 97 species and 19 subspecies in the order Odonata assessed as endangered.

Platystictids

Platycnemidids

Species

Subspecies

Megapodagrionids

Gomphids

Species

Subspecies

Calopterygids

Species

Subspecies

Coenagrionids

Species

Subspecies

Aeshnids

Species

Subspecies

Libellulids

Species

Subspecies

Other Odonata

Species

Subspecies

Other insect 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.
  2. ^ "Limitations of the Data". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.
  3. ^ "2001 Categories & Criteria (version 3.1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 11 January 2016.


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