List of data deficient arthropods
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 2875 data deficient arthropod species. 30% of all evaluated arthropod species are listed as data deficient. The IUCN also lists 17 arthropod subspecies as data deficient. No subpopulations of arthropods have been evaluated by the IUCN. This is a complete list of data deficient arthropod species and subspecies as evaluated by the IUCN.
As of July 2016, the International Union for Conservation of Nature (IUCN) lists 2875 data deficient arthropod species. 30% of all evaluated arthropod species are listed as data deficient. 
The IUCN also lists 17 arthropod subspecies as data deficient.
No subpopulations of arthropods have been evaluated by the IUCN.
This is a complete list of data deficient arthropod species and subspecies as evaluated by the IUCN.

Arachnids
Branchiopoda
Streptocephalus kargesi

Millipedes
Maxillopoda
Maxillopoda includes barnacles, copepods and a number of related animals. There are 22 species in the class Maxillopoda assessed as data deficient.

Sessilia
Armatobalanus nefrens
Balanus aquila

Calanoida
There are 19 species in the order Calanoida assessed as data deficient.

Diaptomids
Temorids
Epischura massachusettsensis

Harpacticoida
Thermomesochra reducta

Xiphosura
Malacostracans
Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 1130 malacostracan species and 17 malacostracan subspecies assessed as data deficient.

Isopods
Echinodillo cavaticus
Styloniscus sp. nov.

Decapods
There are 1128 decapod species and 17 decapod subspecies assessed as data deficient.

Parastacids
Gecarcinucids
Atyids
Species

Subspecies

Cambarids
Potamonautids
Pseudothelphusids
Potamids
Palaemonids
Species

Subspecies

Trichodactylids
Spiny lobsters
Lobsters
Slipper lobsters
Reef lobsters
Other decapod species
Insects
There are 1702 insect species assessed as data deficient.

Blattodea
Miriamrothschildia zonatus

Orthoptera
There are 50 species in the order Orthoptera assessed as data deficient.

Acridids
Tettigoniids
Phaneropterids
Other Orthoptera species
Hymenoptera
There are 316 species in the order Hymenoptera assessed as data deficient.

Colletids
Melittids
Apids
Halictids
Andrenids
Megachilids
Mantises
Lepidoptera
Lepidoptera comprises moths and butterflies. There are 87 species in the order Lepidoptera assessed as data deficient.

Pyralids
Swallowtail butterflies
Lycaenids
Nymphalids
Skippers
Other Lepidoptera species
Beetles
There are 377 beetle species assessed as data deficient.

Geotrupids
Longhorn beetles
Click beetles
Erotylids
Scarabaeids
Other beetle species
Odonata
Odonata includes dragonflies and damselflies. There are 868 species in the order Odonata assessed as data deficient.

Platystictids
Chlorogomphids
Argiolestids
Chlorocyphids
Isostictids
Platycnemidids
Megapodagrionids
Gomphids
Cordulegastrids
Corduliids
Calopterygids
Coenagrionids
Euphaeids
Macromiids
Lestids
Aeshnids
Libellulids
Polythorids
Other Odonata species
See also
Lists of IUCN Red List data deficient species
List of least concern arthropods
List of near threatened arthropods
List of vulnerable arthropods
List of endangered arthropods
List of critically endangered arthropods
List of recently extinct arthropods


== References ==