List of vulnerable arthropods

Short description: none

Vulnerable (VU) species are considered to be facing a high risk of extinction in the wild.

In July 2016, the International Union for Conservation of Nature (IUCN) listed 1080 vulnerable arthropod species.[1] Of all evaluated arthropod species, 11% are listed as vulnerable. The IUCN also lists 29 arthropod subspecies as vulnerable.

No subpopulations of arthropods have been evaluated by the IUCN.

For a species to be assessed as vulnerable to extinction the best available evidence must meet quantitative criteria set by the IUCN designed to reflect "a high risk of extinction in the wild". Endangered and critically endangered species also meet the quantitative criteria of vulnerable species, and are listed separately. See: List of endangered arthropods, List of critically endangered arthropods. Vulnerable, endangered and critically endangered species are collectively referred to as threatened species by the IUCN.

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 vulnerable arthropod species and subspecies as evaluated by the IUCN.

## Contents

* 1 Seed shrimps
* 2 Arachnids
* 2.1 Spiders
* 2.2 Other arachnid species
* 3 Branchiopoda
* 4 Millipedes
* 5 Maxillopoda
* 5.1 Calanoida
* 5.1.1 Diaptomids
* 5.1.2 Centropagids
* 5.1.3 Temorids
* 5.2 Cyclopoida
* 5.3 Harpacticoida
* 5.3.1 Darcythompsoniids
* 5.3.2 Ameirids
* 5.3.3 Canthocamptids
* 6 Malacostracans
* 6.1 Isopods
* 6.2 Amphipods
* 6.2.1 Hadziids
* 6.2.2 Paramelitids
* 6.2.3 Gammarids
* 6.2.4 Crangonyctids
* 6.2.5 Niphargids
* 6.3 Anaspidacea
* 6.4 Decapods
* 6.4.1 Parastacids
* 6.4.2 Gecarcinucids
* 6.4.3 Atyids
* 6.4.4 Cambarids
* 6.4.5 Potamonautids
* 6.4.6 Pseudothelphusids
* 6.4.7 Potamids
* 6.4.8 Palaemonids
* 6.4.9 Trichodactylids
* 6.4.10 Other decapod species
* 7 Insects
* 7.1 Flies
* 7.2 Plecoptera
* 7.3 Notoptera
* 7.4 Orthoptera
* 7.4.1 Crickets
* 7.4.2 Acridids
* 7.4.3 Stenopelmatids
* 7.4.4 Tettigoniids
* 7.4.5 Rhaphidophorids
* 7.4.6 Phaneropterids
* 7.4.7 Other Orthoptera species
* 7.5 Hymenoptera
* 7.5.1 Ants
* 7.5.2 Colletids
* 7.5.3 Melittids
* 7.5.4 Apids
* 7.5.5 Megachilids
* 7.6 Mantises
* 7.7 Lepidoptera
* 7.7.1 Lasiocampids
* 7.7.2 Swallowtail butterflies
* 7.7.3 Lycaenids
* 7.7.4 Nymphalids
* 7.7.5 Skippers
* 7.7.6 Pierids
* 7.8 Beetles
* 7.8.1 Dytiscids
* 7.8.2 Longhorn beetles
* 7.8.3 Scarabaeids
* 7.8.4 Other beetle species
* 7.9 Odonata
* 7.9.1 Chlorogomphids
* 7.9.2 Chlorocyphids
* 7.9.3 Platycnemidids
* 7.9.4 Megapodagrionids
* 7.9.5 Gomphids
* 7.9.6 Coenagrionids
* 7.9.7 Aeshnids
* 7.9.8 Libellulids
* 7.9.9 Other Odonata species
* 8 Other arthropod species
* 9 See also
* 10 References

## Seed shrimps

## Arachnids

There are 47 arachnid species assessed as vulnerable.

### Spiders

### Other arachnid species

## Branchiopoda

## Millipedes

## Maxillopoda

Maxillopoda includes barnacles, copepods and a number of related animals. There are 71 species in the class Maxillopoda assessed as vulnerable.

### Calanoida

There are 47 species in the order Calanoida assessed as vulnerable.

#### Diaptomids

#### Centropagids

#### Temorids

* Epischura baikalensis

### Cyclopoida

### Harpacticoida

There are 18 species in the order Harpacticoida assessed as vulnerable.

#### Darcythompsoniids

* Leptocaris stromatolicolus

#### Ameirids

* Nitocrella slovenica
* Nitocrella stochi

#### Canthocamptids

## Malacostracans

Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 307 malacostracan species and 14 malacostracan subspecies assessed as vulnerable.

### Isopods

Species

Subspecies

### Amphipods

There are 56 amphipod species and four amphipod subspecies assessed as vulnerable.

#### Hadziids

Subspecies

* Hadzia fragilis stochi

#### Paramelitids

* Paramelita flexa

#### Gammarids

#### Crangonyctids

#### Niphargids

Species

Subspecies

### Anaspidacea

### Decapods

There are 224 decapod species and seven decapod subspecies assessed as vulnerable.

#### Parastacids

#### Gecarcinucids

#### Atyids

#### Cambarids

Species

Subspecies

#### Potamonautids

#### Pseudothelphusids

#### Potamids

#### Palaemonids

#### Trichodactylids

#### Other decapod species

## Insects

There are 608 insect species and 15 insect subspecies assessed as vulnerable.

### Flies

### Plecoptera

* Otway stonefly (Eusthenia nothofagi)
* Mount Kosciusko wingless stonefly (Leptoperla cacuminis)

### Notoptera

* Mount St Helens' grylloblattid (Grylloblatta chirurgica)

### Orthoptera

There are 137 species in the order Orthoptera assessed as vulnerable.

#### Crickets

#### Acridids

#### Stenopelmatids

#### Tettigoniids

#### Rhaphidophorids

#### Phaneropterids

#### Other Orthoptera species

### Hymenoptera

There are 155 species in the order Hymenoptera assessed as vulnerable.

#### Ants

#### Colletids

#### Melittids

* Melitta hispanica
* Melitta kastiliensis

#### Apids

#### Megachilids

* Wallace's giant bee (Megachile pluto)

### Mantises

### Lepidoptera

Lepidoptera comprises moths and butterflies. There are 128 species and ten subspecies in the order Lepidoptera assessed as vulnerable.

#### Lasiocampids

* Small lappet moth (Phyllodesma ilicifolia)

#### Swallowtail butterflies

#### Lycaenids

#### Nymphalids

Species

Subspecies

#### Skippers

* Dakota skipper (Hesperia dacotae)
* Cinquefoil skipper (Pyrgus cirsii)

#### Pierids

### Beetles

There are 50 beetle species assessed as vulnerable.

#### Dytiscids

#### Longhorn beetles

#### Scarabaeids

#### Other beetle species

### Odonata

Odonata includes dragonflies and damselflies. There are 129 species and five subspecies in the order Odonata assessed as vulnerable.

#### Chlorogomphids

#### Chlorocyphids

#### Platycnemidids

#### Megapodagrionids

#### Gomphids

Species

Subspecies

* Erpetogomphus lampropeltis lampropeltis

#### Coenagrionids

Species

Subspecies

#### Aeshnids

#### Libellulids

#### Other Odonata species

## Other arthropod species

## See also

* Lists of IUCN Red List vulnerable species
* List of least concern arthropods
* List of near threatened arthropods
* List of endangered arthropods
* List of critically endangered arthropods
* List of recently extinct arthropods
* List of data deficient arthropods

## References

1. ↑ "IUCN Red List version 2016.1". International Union for Conservation of Nature and Natural Resources. http://www.iucnredlist.org/. Retrieved 4 July 2016.
2. ↑ "Limitations of the Data". Union for Conservation of Nature and Natural Resources. http://www.iucnredlist.org/initiatives/mammals/description/limitations. Retrieved 11 January 2016.
3. ↑ "2001 Categories & Criteria (version 3.1)". Union for Conservation of Nature and Natural Resources. http://www.iucnredlist.org/static/categories_criteria_3_1. Retrieved 11 January 2016.

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