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