- Megadytes ducalis
- Megalagrion adytum
- Megalagrion jugorum
- Megalagrion leptodemas
- Megalagrion molokaiense
- Megalagrion nesiotes
- Megalagrion nigrohamatum
- Megalagrion oahuense
- Megalagrion oceanicum
- Megalagrion pacificum
- Megalagrion xanthomelas
- Megalomyrmex symmetochus
- Meladema imbricata
- Meladema lanio
- Mesagrion leucorrhinum
- Mesocnemis singularis
- Mesocyclops insulensis
- Metacnemis angusta
- Metacnemis valida
- Metacyclops campestris
- Metacyclops gasparoi
- Metacyclops postojnae
- Metadiaptomus capensis
- Metadiaptomus purcelli
- Metatrichoniscoides celticus
- Metrioptera domogledi
- Mexilana saluposi
- Mexistenasellus coahuila
- Mexistenasellus nulemex
- Mexistenasellus parzefalli
- Mexistenasellus wilkensi
- Microgomphus nyassicus
- Microgomphus schoutedeni
- Microgomphus wijaya
- Micromacromia camerunica
- Micromacromia flava
- Micromacromia miraculosa
- Microneura caligata
- Mictocaris halope
- Miramella irena
- Monolistra bolei
- Monolistra calopyge
- Monolistra schottlaenderi
- Monolistra spinosissima
- Monomorium effractor
- Monomorium hospitum
- Monomorium inquilinum
- Monomorium noualhieri
- Monomorium pergandei
- Monomorium talbotae
- Morimus funereus
- Mortonagrion hirosei
- Moserius percoi
- Murunducaris juneae
- Muscocyclops bidenatus
- Muscocyclops therasiae
- Myrmecia inquilina
- Myrmica faniensis
- Myrmica winterae
- Myrmoxenus gordiagini
- Namibocypris costata
- Nanocopia minuta
- Nanodectes bulbicercus
- Neduba extincta
- Nehalennia pallidula
- Nehalennia speciosa
- Nemapalpus nearcticus
- Neodiaptomus intermedius
- Neodiaptomus laii
- Neodiaptomus lymphatus
- Neodiaptomus physalipus
- Neodythemis afra
- Neodythemis campioni
- Neodythemis gorillae
- Neodythemis preussi
- Neonemobius eurynotus
- Neoneura carnatica
- Neoneura maria
- Nepogomphoides stuhlmanni
- Nesciothemis farinosa
- Nesocordulia villiersi
- Nesolestes pauliani
- Neurocordulia michaeli
- Neurogomphus dissimilis
- Neurogomphus featheri
- Neurogomphus pinheyi
- Neurogomphus zambeziensis
- Neutrodiaptomus formosus
- Newnhamia fuscata
- Newnhamia insolita
- Niphargobates lefkodemonaki
- Niphargobates orophobata
- Niphargus aberrans
- Niphargus hadzii
- Niphargus hrabei
- Niphargus sphagnicolus
- Niphargus spoeckeri
- Niphargus stenopus
- Niphargus timavi
- Niphargus valachicus
- Nitocrella slovenica
- Nitocrella stochi
- Nothodiplax dendrophila
- Notiothemis jonesi
- Notiothemis robertsi
- Notodiaptomus dubius
- Notodiaptomus maracaibensis
- Notogomphus cottarellii
- Notogomphus dendrohyrax
- Notogomphus dorsalis
- Notogomphus flavifrons
- Notogomphus kilimandjaricus
- Notogomphus lateralis
- Notogomphus lecythus
- Notogomphus leroyi
- Notogomphus lujai
- Notogomphus maathaiae
- Notogomphus praetorius
- Notogomphus ruppeli
- Notogomphus zernyi
- Odontodiaptomus thomseni
- Odontopodisma montana
- Odontopodisma rubripes
- Oecanthus laricis
- Oedemasylus laysanensis
- Oligoaeschna kunigamiensis
- Olpogastra lugubris
- Onchotelson brevicaudatus
- Onchotelson spatulatus
- Onconotus servillei
- Onychodiaptomus louisianensis
- Onychogomphus assimilis
- Onychogomphus bwambae
- Onychogomphus costae
- Onychogomphus kitchingmani
- Onychogomphus macrodon
- Onychogomphus pilosus
- Onychogomphus styx
- Onychogomphus supinus
- Ophiogomphus acuminatus
- Ophiogomphus anomalus
- Ophiogomphus cecilia
- Ophiogomphus edmundo
- Ophiogomphus howei
- Ophiogomphus incurvatus
- Orconectes bisectus
- Orconectes blacki
- Orconectes cooperi
- Orconectes deanae
- Orconectes hartfieldi
- Orconectes holti
- Orconectes incomptus
- Orconectes jeffersoni
- Orconectes jonesi
- Orconectes kentuckiensis
- Orconectes maletae
- Orconectes marchandi
- Orconectes menae
- Orconectes mississippiensis
- Orconectes peruncus
- Orconectes quadruncus
- Orconectes saxatilis
- Orconectes shoupi
- Orconectes sloanii
- Orconectes stannardi
- Orconectes wrighti
- Oreocnemis phoenix
- Orthetrum abbotti
- Orthetrum angustiventre
- Orthetrum austeni
- Orthetrum brachiale
- Orthetrum caffrum
- Orthetrum camerunense
- Orthetrum chrysostigma
- Orthetrum guineense
- Orthetrum hintzi
- Orthetrum icteromelas
- Orthetrum julia
- Orthetrum kristenseni
- Orthetrum machadoi
- Orthetrum macrostigma
- Orthetrum microstigma
- Orthetrum monardi
- Orthetrum poecilops
- Orthetrum rubens
- Orthetrum saegeri
- Orthetrum stemmale
- Orthetrum trinacria
- Osmoderma eremita
- Oxyepoecus bruchi
- Oxyepoecus daguerrei
- Oxyepoecus inquilina
- Oxythemis phoenicosceles
- Oziothelphusa dakuna
- Oziothelphusa gallicola
- Oziothelphusa hippocastanum
- Oziothelphusa intuta
- Oziothelphusa kodagoda
- Oziothelphusa mineriyaensis
- Oziothelphusa populosa
- Pachysaga munggai
- Pachysaga strobila
- Pacifastacus nigrescens
- Palaemnema baltodanoi
- Palaemnema chiriquita
- Palaemnema gigantula
- Palaemnema melanota
- Palaemnema paulicoba
- Palaemnema reventazoni
- Palaemonetes antrorum
- Palaemonetes cummingi
- Palpopleura albifrons
- Palpopleura deceptor
- Palpopleura jucunda
- Palpopleura lucia
- Palpopleura portia
- Paracyclopia naessi
- Paradiaptomus natalensis
- Paragomphus alluaudi
- Paragomphus bredoi
- Paragomphus cataractae
- Paragomphus cognatus
- Paragomphus elpidius
- Paragomphus genei
- Paragomphus lacustris
- Paragomphus magnus
- Paragomphus nyasicus
- Paragomphus pumilio
- Paragomphus sabicus
- Paragomphus sinaiticus
- Paragomphus viridior
- Paragomphus zambeziensis
- Paramelita barnardi
- Paramelita flexa
- Paramorariopsis anae
- Paranaspides lacustris
- Parantica pseudomelaneus
- Paraphlebia zoe
- Parapinnixa affinis
- Parartemia contracta
- Parazyxomma flavicans
- Pastilla ruhuna
- Pentagenia robusta
- Pentarthrum blackburni
- Perbrinckia cracens
- Perbrinckia enodis
- Perbrinckia fido
- Perbrinckia morayensis
- Perbrinckia punctata
- Perbrinckia quadratus
- Perbrinckia rosae
- Perbrinckia scansor
- Perigomphus pallidistylus
- Petalura pulcherrima
- Phaon iridipennis
- Phasmodes jeeba
- Pheidole acutidens
- Pheidole argentina
- Pheidole elecebra
- Pheidole inquilina
- Pheidole lanuginosa
- Pheidole microgyna
- Pheidole neokohli
- Pheidole oculata
- Pheidole parasitica
- Pheidole symbiotica
- Philonomon luminans
- Phyllococcus oahuensis
- Phyllodiaptomus wellekensae
- Phyllogomphus annulus
- Phyllogomphus selysi
- Phyllomacromia africana
- Phyllomacromia aureozona
- Phyllomacromia bispina
- Phyllomacromia congolica
- Phyllomacromia flavimitella
- Phyllomacromia kimminsi
- Phyllomacromia melania
- Phyllomacromia monoceros
- Phyllomacromia pallidinervis
- Phyllomacromia picta
- Phyllomacromia pseudafricana
- Phyllomacromia sylvatica
- Phyllopetalia altarensis
- Phyllopetalia excrescens
- Phyllopetalia pudu
- Phyllopetalia stictica
- Phylolestes ethelae
- Plagiolepis ampeloni
- Plagiolepis grassei
- Plagiolepis regis
- Platycnemis agrioides
- Platycnemis nyansana
- Platycnemis sikassoensis
- Platycypha amboniensis
- Platycypha auripes
- Platycypha caligata
- Platycypha lacustris
- Platycypha pinheyi
- Platyops sterreri
- Platythelphusa armata
- Platythelphusa conculcata
- Platythelphusa denticulata
- Platythelphusa echinata
- Platythelphusa immaculata
- Platythelphusa maculata
- Platythelphusa polita
- Platythelphusa praelongata
- Platythelphusa tuberculata
- Pogonomyrmex anergismus
- Pogonomyrmex colei
- Polposipus herculeanus
- Polyergus breviceps
- Polyergus lucidus
- Polyergus nigerrimus
- Polyergus samurai
- Ponticyclops boscoi
- Porpax risi
- Potamonautes aloysiisabaudiae
- Potamonautes berardi
- Potamonautes choloensis
- Potamonautes didieri
- Potamonautes emini
- Potamonautes gerdalensis
- Potamonautes gonocristatus
- Potamonautes idjiwiensis
- Potamonautes ignestii
- Potamonautes infravallatus
- Potamonautes johnstoni
- Potamonautes lirrangensis
- Potamonautes loveni
- Potamonautes loveridgei
- Potamonautes montivagus
- Potamonautes mutandensis
- Potamonautes neumanni
- Potamonautes niloticus
- Potamonautes obesus
- Potamonautes pilosus
- Potamonautes platycentron
- Potamonautes platynotus
- Potamonautes raybouldi
- Potamonautes rukwanzi
- Potamonautes suprasulcatus
- Potamonautes unisulcatus
- Pristoceuthophilus sp. nov.
- Proasellus parvulus
- Proasellus slovenicus
- Procambarus acherontis
- Procambarus angustatus
- Procambarus apalachicolae
- Procambarus attiguus
- Procambarus barbiger
- Procambarus brazoriensis
- Procambarus cometes
- Procambarus connus
- Procambarus delicatus
- Procambarus echinatus
- Procambarus econfinae
- Procambarus erythrops
- Procambarus escambiensis
- Procambarus ferrugineus
- Procambarus fitzpatricki
- Procambarus franzi
- Procambarus gibbus
- Procambarus horsti
- Procambarus lagniappe
- Procambarus latipleurum
- Procambarus leitheuseri
- Procambarus milleri
- Procambarus morrisi
- Procambarus nechesae
- Procambarus nigrocinctus
- Procambarus nueces
- Procambarus orcinus
- Procambarus pecki
- Procambarus pictus
- Procambarus plumimanus
- Procambarus pogum
- Procambarus rathbunae
- Procambarus reimeri
- Procambarus steigmani
- Procambarus texanus
- Procaris chacei
- Prodasineura flavifacies
- Prodontria lewisi
- Progomphus bellei
- Progomphus risi
- Progomphus serenus
- Progomphus tennesseni
- Progomphus zephyrus
- Proischnura polychromaticum
- Proischnura subfurcata
- Protomognathus americanus
- Protoneura capillaris
- Protoneura dunklei
- Protoneura prolongata
- Protoneura sanguinipes
- Psacadonotus insulanus
- Psacadonotus seriatus
- Pseudagrion acaciae
- Pseudagrion arabicum
- Pseudagrion assegaii
- Pseudagrion bicoerulans
- Pseudagrion camerunense
- Pseudagrion coeleste
- Pseudagrion coeruleipunctum
- Pseudagrion commoniae
- Pseudagrion gamblesi
- Pseudagrion glaucescens
- Pseudagrion glaucoideum
- Pseudagrion guichardi
- Pseudagrion hageni
- Pseudagrion hamoni
- Pseudagrion helenae
- Pseudagrion inconspicuum
- Pseudagrion kaffinum
- Pseudagrion kersteni
- Pseudagrion kibalense
- Pseudagrion lindicum
- Pseudagrion massaicum
- Pseudagrion melanicterum
- Pseudagrion newtoni
- Pseudagrion niloticum
- Pseudagrion nubicum
- Pseudagrion rufocinctum
- Pseudagrion salisburyense
- Pseudagrion sjoestedti
- Pseudagrion spernatum
- Pseudagrion sublacteum
- Pseudagrion sudanicum
- Pseudagrion superbum
- Pseudagrion torridum
- Pseudagrion vumbaense
- Pseudoatta argentina
- Pseudocandona aemonae
- Pseudocandona cavicola
- Pseudocandona pretneri
- Pseudocandona trigonelia
- Pseudocotalpa giulianii
- Pseudomoraria triglavensis
- Pseudomyrmex leptosus
- Pseudoniphargus grandimanus
- Psychomastatix deserticola
- Pyrrhosoma elisabethae
- Rhantus alutaceus
- Rhantus novacaledoniae
- Rhantus orbignyi
- Rhantus papuanus
- Rhinocypha hageni
- Rhinocypha latimacula
- Rhinocypha ogasawarensis
- Rhinocypha uenoi
- Rhipidolestes okinawanus
- Rhithrodytes agnus
- Rhoptromyrmex mayri
- Rhoptromyrmex schmitzi
- Rhyacophila amabilis
- Rhynchochydorus australiensis
- Rhyncogonus bryani
- Rhyothemis fenestrina
- Rhyothemis semihyalina
- Riekoperla darlingtoni
- Rimanella arcana
- Risiocnemis seidenschwarzi
- Rossomrymex minuchae
- Rossomrymex proformicarum
- Saga pedo
- Schayera baiulus
- Sciotropis cyclanthorum
- Sciotropis lattkei
- Scolopendra abnormis
- Serrastruma inquilina
- Sinhalestes orientalis
- Skistodiaptomus bogalusensis
- Skistodiaptomus carolinensis
- Skistodiaptomus sinuatus
- Solenopsis daguerrei
- Solenopsis solenopsidis
- Somatochlora borisi
- Somatochlora brevicincta
- Somatochlora calverti
- Somatochlora incurvata
- Somatochlora margarita
- Somatochlora ozarkensis
- Somatochlora sahlbergi
- Somersiella sterreri
- Spaniacris deserticola
- Spelaeodiaptomus rouchi
- Spelaeoecia bermudensis
- Spelaseorchestia kiloana
- Speleoithona bermudensis
- Speleophria bivexilla
- Speleophria scottodicarloi
- Speocirolana thermydromis
- Sphaerolana affinis
- Sphaerolana interstitialis
- Sphaerolana karenae
- Spiralothelphusa fernandoi
- Spiralothelphusa parvula
- Stenelmis gammoni
- Stenobothrus eurasius
- Stenocora percornuta
- Stenopelmatus cahuilaensis
- Stenopelmatus navajo
- Stenopelmatus nigrocapitatus
- Stonemyia volutina
- Streptocephalus dendrophorus
- Streptocephalus dendyi
- Streptocephalus gracilis
- Streptocephalus guzmani
- Streptocephalus kargesi
- Streptocephalus moorei
- Streptocephalus woottoni
- Streptocephalus zuluensis
- Strongylognathus afer
- Strongylognathus alboini
- Strongylognathus alpinus
- Strongylognathus arnoldii
- Strongylognathus cecconii
- Strongylognathus chelifer
- Strongylognathus christophi
- Strongylognathus dalmaticus
- Strongylognathus destefanii
- Strongylognathus emeryi
- Strongylognathus foreli
- Strongylognathus huberi
- Strongylognathus insularis
- Strongylognathus italicus
- Strongylognathus karawajevi
- Strongylognathus kervillei
- Strongylognathus koreanus
- Strongylognathus kratochvilli
- Strongylognathus minutus
- Strongylognathus palaestinensis
- Strongylognathus pisarskii
- Strongylognathus rehbinderi
- Strongylognathus ruzskyi
- Strongylognathus silvestrii
- Strumigenys xenos
- Stygobromus araeus
- Stygobromus arizonensis
- Stygobromus balconis
- Stygobromus barri
- Stygobromus bifurcatus
- Stygobromus bowmani
- Stygobromus clantoni
- Stygobromus conradi
- Stygobromus cooperi
- Stygobromus dejectus
- Stygobromus elatus
- Stygobromus emarginatus
- Stygobromus ephemerus
- Stygobromus flagellatus
- Stygobromus gradyi
- Stygobromus hadenoecus
- Stygobromus harai
- Stygobromus hayi
- Stygobromus heteropodus
- Stygobromus hubbsi
- Stygobromus identatus
- Stygobromus longipes
- Stygobromus lucifugus
- Stygobromus mackenziei
- Stygobromus montanus
- Stygobromus morrisoni
- Stygobromus mundaus
- Stygobromus nortoni
- Stygobromus onondagaensis
- Stygobromus ozarkensis
- Stygobromus parvus
- Stygobromus pecki
- Stygobromus pizzinii
- Stygobromus putealis
- Stygobromus reddelli
- Stygobromus smithii
- Stygobromus spinatus
- Stygobromus stellmacki
- Stygobromus subtilis
- Stygobromus wengerorum
- Stygodiaptomus kieferi
- Stygodiaptomus petkovskii
- Styloniscus sp. nov.
- Stylurus potulentus
- Stylurus townesi
- Sympetrum dilatatum
- Sympetrum navasi
- Sympetrum nigrifemur
- Syncaris pasadenas
- Tachypleus gigas
- Tachypleus tridentatus
- Tachysphex pechumani
- Tartarocreagris texana
- Tasmanophlebi lacus-coerulei
- Tasmanoplectron isolatum
- Teinobasis alluaudi
- Teleutomyrmex kutteri
- Teleutomyrmex schneideri
- Tetramorium microgyna
- Tetramorium parasiticum
- Tetrathemis camerunensis
- Tetrathemis corduliformis
- Tetrathemis denticauda
- Tetrathemis polleni
- Tetrathemis ruwensoriensis
- Tetrathemis yerburii
- Tetrix sierrane
- Tettigidea empedonepia
- Thalassothemis marchali
- Thaumatoneura inopinata
- Thermochoria equivocata
- Thermochoria jeanneli
- Thermocyclops parvus
- Thermodiaptomus galeboides
- Thermomesochra reducta
- Thermosphaeroma cavicauda
- Thermosphaeroma dugesi
- Thermosphaeroma macrura
- Thermosphaeroma milleri
- Thermosphaeroma smithi
- Thermosphaeroma subequalum
- Thermosphaeroma thermophilum
- Throscodectes xederoides
- Throscodectes xiphos
- Tragogomphus guineensis
- Tramea basilaris
- Tramea limbata
- Triaenodes phalacris
- Triaenodes tridonata
- Trigonoscuta rossi
- Trigonoscuta yorbalindae
- Trimerotropis infantilis
- Trimerotropis occidentaloides
- Trimerotropis occulens
- Trithemis aconita
- Trithemis aequalis
- Trithemis annulata
- Trithemis arteriosa
- Trithemis bifida
- Trithemis brydeni
- Trithemis dichroa
- Trithemis donaldsoni
- Trithemis dorsalis
- Trithemis ellenbeckii
- Trithemis furva
- Trithemis grouti
- Trithemis hartwigi
- Trithemis hecate
- Trithemis imitata
- Trithemis kirbyi
- Trithemis monardi
- Trithemis nigra
- Trithemis nuptialis
- Trithemis pluvialis
- Trithemis pruinata
- Trithemis stictica
- Trithemis werneri
- Troglocaris anophthalmus
- Tropocyclops federensis
- Tropocyclops nananae
- Tropodiaptomus burundensis
- Tropodiaptomus ctenopus
- Tropodiaptomus falcatus
- Tropodiaptomus kilimensis
- Tropodiaptomus kissi
- Tropodiaptomus madagascariensis
- Tropodiaptomus neumanni
- Tropodiaptomus palustris
- Tropodiaptomus purpureus
- Tropodiaptomus simplex
- Tropodiaptomus stuhlmanni
- Tropodiaptomus worthingtoni
- Typhlatya iliffei
- Typhlatya monae
- Umma declivium
- Umma femina
- Umma saphirina
- Uramphisopus pearsoni
- Urothemis assignata
- Urothemis edwardsii
- Urothemis luciana
- Urothemis thomasi
- Utabaenetes tanneri
- Williamsonia lintneri
- Windbalea viride
- Xylotoles costatus
- Zaprochilus ninae
- Zonocypretta kalimna
- Zubovskia banatica
- Zygonoides fraseri
- Zygonoides fuelleborni
- Zygonyx flavicosta
- Zygonyx natalensis
- Zygonyx regisalberti
- Zygonyx torridus
- Zyxomma atlanticum
