In July 2016, the International Union for Conservation of Nature (IUCN) listed 4069 least concern arthropod species. Of all evaluated arthropod species, 43% are listed as least concern. The IUCN also lists 27 arthropod subspecies as least concern. No subpopulations of arthropods have been evaluated by the IUCN. This is a complete list of least concern arthropod species and subspecies as evaluated by the IUCN.
Centipedes Mecistocephalus angusticeps
Arachnids There are 21 arachnid species assessed as least concern.
Spiders
Schizomida Ovozomus similis
Pseudoscorpions
Branchiopoda Giant fairy shrimp (Branchinecta gigas)
Millipedes
Malacostracans Malacostraca includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others. There are 1193 malacostracan species and 15 malacostracan subspecies assessed as least concern.
Isopods Thermosphaeroma subequalum
Decapods There are 1191 decapod species and 15 decapod subspecies assessed as least concern.
Parastacids
Gecarcinucids
Atyids Species
Subspecies
Cambarids Species and subspecies
Potamonautids
Pseudothelphusids
Potamids
Palaemonids Species
Subspecies
Trichodactylids
Spiny lobsters
Lobsters
Slipper lobsters
Polychelids
Other decapod species
Krill species Antarctic krill (Euphausia superba)
Insects There are 2843 insect species and 12 insect subspecies assessed as least concern.
Earwigs Spirolabia browni
Blattodea
Phasmatodea species
Termites Nasutitermes maheensis Neotermes laticollis
Orthoptera There are 184 species and six subspecies in the order Orthoptera assessed as least concern.
Crickets
Acridids
Tettigoniids Species
Subspecies
Clonia wahlbergi wahlbergi Lesser reed katydid (Pseudorhynchus pungens meridionalis)
Rhaphidophorids
Phaneropterids Species
Subspecies
Other Orthoptera species
Hymenoptera There are 106 species in the order Hymenoptera assessed as least concern.
Ants Temnothorax recedens
Colletids
Melittids
Apids
Halictids
Andrenids
Megachilids
Mantises
Lepidoptera Lepidoptera comprises moths and butterflies. There are 420 species and one subspecies in the order Lepidoptera assessed as least concern.
Swallowtail butterflies
Lycaenids
Nymphalids
Skippers Species
Subspecies
Oreisplanus munionga larana
Pierids
Riodinids
Beetles There are 423 beetle species assessed as least concern.
Geotrupids
Longhorn beetles
Click beetles
Eucnemids
Scarabaeids
Other beetle species
Odonata Odonata includes dragonflies and damselflies. There are 1690 species and five subspecies in the order Odonata assessed as least concern.
Platystictids
Chlorogomphids
Argiolestids
Perilestids
Chlorocyphids
Platycnemidids Species
Subspecies
Platycnemis pennipes nitidula
Synlestids
Megapodagrionids
Gomphids
Cordulegastrids
Corduliids
Calopterygids
Coenagrionids Species
Subspecies
Pele damselfly (Megalagrion amaurodytum peles)
Euphaeids
Synthemistids
Macromiids
Lestids
Aeshnids
Libellulids Species
Subspecies
Polythorids
Other Odonata species
See also Lists of IUCN Red List least concern species List of near threatened arthropods List of vulnerable arthropods List of endangered arthropods List of critically endangered arthropods List of recently extinct arthropods List of data deficient arthropods
References

