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As of July 2016, the
As of July 2016, the International Union for Conservation of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natur ...
(IUCN) listed 195 critically endangered insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs ...
species, including 46 which are tagged as possibly extinct. Of all evaluated insect species, 3.2% are listed as critically endangered.
The IUCN also lists two insect subspecies as critically endangered.
No subpopulations of insects have been evaluated by the IUCN.
Additionally 1702 insect species (28% of those evaluated) are listed as data deficient
A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessarily ...
, 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. While the category 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".
This is a complete list of critically endangered insect species and subspecies as evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such.
Earwigs
Earwigs make up the insect order Dermaptera. With about 2,000 species in 12 families, they are one of the smaller insect orders. Earwigs have characteristic cerci, a pair of forcep-like pincers on their abdomen, and membranous wings fol ...
Blattodea
Blattodea is an order of insects that contains cockroaches and termites. Formerly, termites were considered a separate order, Isoptera, but genetic and molecular evidence suggests they evolved from within the cockroach lineage, cladistically m ...
Orthoptera
Orthoptera () is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā. The order is subdivided into two suborders: Caelifera – grass ...
There are 72 species in the order Orthoptera assessed as critically endangered.
Crickets
Crickets are orthopteran insects which are related to bush crickets, and, more distantly, to grasshoppers. In older literature, such as Imms,Imms AD, rev. Richards OW & Davies RG (1970) ''A General Textbook of Entomology'' 9th Ed. Methuen 88 ...
Other Orthoptera species
Beetles
Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, Elytron, elytra, distinguishing them from most other insects. The Coleoptera, wit ...
Odonata
Odonata is an order of flying insects that includes the dragonflies and damselflies. Members of the group first appeared during the Triassic, though members of their total group, Odonatoptera, first appeared in Late Carboniferous.
The two co ...
Species
Subspecies
*''Chlorogomphus brunneus keramensis
''Chlorogomphus'' is a genus of dragonfly
A dragonfly is a flying insect belonging to the infraorder Anisoptera below the order Odonata. About 3,000 extant species of true dragonfly are known. Most are tropical, with fewer species in tempe ...
''
* Delphi cordulegaster (''Cordulegaster helladica kastalia'')
Other insect species
See also
* Lists of IUCN Red List critically endangered species *List of least concern insects
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 2843 least concern insect species. 47% of all evaluated insect species are listed as least concern.
The IUCN also lists 12 insect subspecies as least concern.
No ...
* List of near threatened insects
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 301 near threatened insect species. 5.0% of all evaluated insect species are listed as near threatened.
No subpopulations of insects have been evaluated by the IU ...
* List of vulnerable insects
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 608 vulnerable insect species. 10% of all evaluated insect species are listed as vulnerable.
The IUCN also lists 15 insect subspecies as vulnerable.
No subpopul ...
* List of endangered insects
As of July 2017, the International Union for Conservation of Nature (IUCN) lists 343 endangered insect species. 5.7% of all evaluated insect species are listed as endangered.
The IUCN also lists 21 insect subspecies as endangered.
No subpopul ...
* List of recently extinct insects
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.
Caddisflies
Extinct species
Mayflies
Extinct species
* Pecatoni ...
* List of data deficient insects
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 1702 data deficient insect species. 28% of all evaluated insect species are listed as data deficient.
No subpopulations of insects have been evaluated by the IUCN.
...
References
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