Nearctic
Guides
Neotermes castaneus
Florida dampwood termite, southern damp-wood termite
Neotermes castaneus is a dampwood termite species in the family Kalotermitidae, commonly known as the Florida dampwood termite or southern damp-wood termite. It is distributed across the Caribbean Sea, Central America, North America, and South America. As a member of the Kalotermitidae family, it is a drywood-type termite that does not require contact with soil moisture, distinguishing it from subterranean termites.
Neotheronia bicincta
Neotheronia bicincta is a species of ichneumon wasp in the family Ichneumonidae, described by Cresson in 1865. The genus Neotheronia belongs to the large and diverse ichneumonid wasp family, whose members are predominantly parasitoids of other insects. As with most ichneumonids, this species is likely a parasitoid, though specific host records and biological details remain poorly documented in the available literature.
Neothremma alicia
Neothremma alicia is a species of caddisfly in the family Uenoidae, first described by Dodds & Hisaw in 1925. It belongs to the order Trichoptera, a group of aquatic insects whose larvae construct protective cases from silk and environmental materials. The genus Neothremma is part of the subfamily Uenoinae within the superfamily Limnephiloidea. Very little specific biological information is available for this species.
Neotrichonotulus inurbanus
Neotrichonotulus inurbanus is a species of scarab beetle in the subfamily Aphodiinae, described by Gordon and Howden in 1973. It belongs to a genus of dung beetles found in arid and semi-arid regions of western North America and Mexico. The species is poorly documented in scientific literature and has no recorded observations on iNaturalist.
Neottiglossa sulcifrons
Neottiglossa sulcifrons is a species of stink bug in the family Pentatomidae, described by Stål in 1872. It is found in North America, with distribution records indicating presence across the Nearctic region excluding the Western Cordillera and Beringia. The genus Neottiglossa belongs to the subfamily Pentatominae within the diverse stink bug family.
Neottiura bimaculata
Neottiura bimaculata is a species of cobweb spider in the family Theridiidae. It has a broad distribution spanning North America, Europe, Turkey, the Caucasus, Russia (Siberia), Central Asia, China, and Japan. The species was first described by Linnaeus in 1767 under the name Aranea bimaculata. Two subspecies are recognized: N. b. bimaculata and N. b. pellucida.
Neotypus nobilitator
Neotypus nobilitator is a species of ichneumonid wasp in the family Ichneumonidae. It belongs to a genus of parasitoid wasps whose members are primarily associated with spider hosts. The species has been recorded across northern Europe and North America. Like other ichneumonids, it likely develops as a koinobiont endoparasitoid, though specific biological details remain poorly documented.
Nephrocerus acanthostylus
Nephrocerus acanthostylus is a species of big-headed fly (Diptera: Pipunculidae) described by Skevington in 2005 as part of a revision of Nearctic Nephrocerus. The species was one of four new species described from the Nearctic region, with diagnostic characters including distinctive male and female genitalia. As with other members of the genus, it is presumed to be a parasitoid of other insects, though specific host records for this species have not been published.
Nephrocerus atrapilus
Nephrocerus atrapilus is a species of big-headed fly (Diptera: Pipunculidae) described from the Nearctic Region in 2005. The species was distinguished from congeners based on diagnostic male and female genitalia characters. It belongs to a genus of parasitoid flies that attack crane flies (Tipulidae). The description of N. atrapilus contributed to the first formal documentation of Nephrocerus in the Neotropical Region.
Nephrotoma alterna
Nephrotoma alterna is a large crane fly species in the family Tipulidae. It occurs across North America from Canada through the United States. The species was originally described by Francis Walker in 1848 under the basionym Tipula alterna. Like other members of the genus Nephrotoma, it is characterized by its substantial body size relative to many other crane flies.
Nephrotoma altissima
Nephrotoma altissima is a species of large crane fly in the family Tipulidae. It occurs across northern and western North America, ranging from Alaska and northern Canada south to Oregon, Arizona, and New Mexico. As a member of the genus Nephrotoma, it belongs to a group commonly known as tiger crane flies, which are distinguished by patterned wings and bodies.
Nephrotoma eucera
large crane fly
Nephrotoma eucera is a species of large crane fly in the family Tipulidae. The species was originally described as Pachyrhina eucera by Loew in 1863. It is distributed across eastern North America, from the Great Plains to the Atlantic coast. The genus Nephrotoma is characterized by distinctive wing venation and body patterning that separate it from other crane fly genera.
Nephrotoma ferruginea
Ferruginous Tiger Crane Fly
Nephrotoma ferruginea is a large crane fly in the family Tipulidae, commonly known as the Ferruginous Tiger Crane Fly. The species was described by Fabricius in 1805 and includes two recognized subspecies: N. f. ferruginea and N. f. surtularis. It is widely distributed across North America, with records extending from Alaska and northern Canada south to Arizona, Texas, and the southeastern United States, and has also been documented in parts of Europe including the Netherlands and Spain.
Nephrotoma virescens
green-striped crane fly
Nephrotoma virescens is a species of large crane fly in the family Tipulidae, characterized by greenish coloration. The species is distributed across eastern North America, from the Great Lakes region through the southeastern United States. Like other crane flies, adults are typically encountered during warmer months and are often found in moist habitats near larval development sites.
Nerophilus californicus
California Mortarjoint Caddisfly
Nerophilus californicus is a species of caddisfly in the family Odontoceridae, commonly known as the California Mortarjoint Caddisfly. It was described by Hagen in 1861 and is native to North America. As a member of the order Trichoptera, it represents one of approximately 60 observation records documented on iNaturalist. The species belongs to a family whose larvae are typically associated with lotic (flowing water) habitats.
Nerthra fuscipes
toad bug
Nerthra fuscipes is a species of toad bug in the family Gelastocoridae, characterized by a flattened, toad-like body form adapted for life near water. The species has been documented across a broad geographic range spanning the Caribbean, Central America, North America, and South America. As a member of the Nepomorpha (true water bugs), it represents one of the more widely distributed species within its genus.
Nesaecrepida
Nesaecrepida is a genus of flea beetles (Chrysomelidae) established by Blake in 1964. The genus contains two described species: Nesaecrepida asphaltina and Nesaecrepida infuscata. These beetles are found in North America, Mexico, and the West Indies. As members of the flea beetle tribe Alticini, they possess enlarged hind femora adapted for jumping.
Neurocolpus mexicanus
Neurocolpus mexicanus is a mirid plant bug species described by Distant in 1883. It belongs to the family Miridae, the largest family within the Hemiptera, and is distributed across Central America, Mexico, and parts of the southern United States including Arizona and Texas. The species has been recorded from Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama, Venezuela, and Mexico. As with other members of Neurocolpus, it is likely associated with vegetation, though specific ecological details remain poorly documented in published literature.
Nichollsiella
Nichollsiella is a genus of oak cynipid gall wasps described in 2021 from the Nearctic region. The genus comprises three species: N. arizonica, N. sulcata, and N. puigi. As members of the tribe Cynipini, these wasps induce galls on oak trees. The genus was established during a broader taxonomic revision that reorganized several previously described species into new genera based on morphological and molecular data.
Nicocles bromleyi
Nicocles bromleyi is a species of robber fly (family Asilidae) described by George H. Hardy in 1943. It belongs to the subfamily Brachyrhopalinae, a group of relatively small and slender asilids. The genus Nicocles is restricted to the New World, with species distributed primarily in arid and semi-arid regions. This species is poorly known, with no documented observations in major biodiversity databases and limited published biological information.
Nixe inconspicua
Nixe inconspicua is a species of flatheaded mayfly in the family Heptageniidae, first described by McDunnough in 1924. As a member of the Heptageniidae, it possesses the characteristic dorsoventrally flattened body form typical of this family. The species is known from North America, though specific details about its biology and ecology remain limited in the available literature.
Nixe lucidipennis
clear-winged flat-headed mayfly
Nixe lucidipennis is a species of flat-headed mayfly in the family Heptageniidae, distributed across North America. The species was described by Clemens in 1913. It is known from a limited number of observations, with records indicating presence in the Nearctic region. As a member of the genus Nixe, it belongs to a group of mayflies characterized by their flattened head morphology and association with running water habitats.
Nocibiotes
Nocibiotes is a genus of darkling beetles in the family Tenebrionidae, established by Casey in 1895. It is distributed in the Nearctic region. The genus is relatively poorly documented in scientific literature, with limited published information on its biology and ecology.
Nomotettix cristatus
crested pygmy grasshopper, crested grouse locust, northern crested grouse locust
Nomotettix cristatus is a small pygmy grasshopper in the family Tetrigidae, commonly known as the crested pygmy grasshopper or crested grouse locust. It is one of approximately 35 Nearctic species of Tetrigidae. The species exhibits three recognized subspecies with distinct geographic distributions across North America. Like other members of its family, it is characterized by an elongated pronotum that extends over the abdomen, a trait distinguishing pygmy grasshoppers from typical grasshoppers in Acrididae.
pygmy-grasshoppergroundhopperTetrigidaeNearcticmoist-habitatpronotumcristateNorth-Americaleaf-litteraquatic-marginOrthopteraCaeliferajumping-insectsmall-grasshoppercrested-pronotumsubspecies-variationAlbertaConnecticutFloridaGeorgiaIllinoislake-shorepond-edgestream-marginground-dwellingScudder-1862Batrachidea-cristataNomotettix-cristatus-cristatusNomotettix-cristatus-compressusNomotettix-cristatus-floridanusTetriginaeAcridideaTetrigoideaHexapodaPterygotainsectarthropodanimaleukaryotemetazoaanimaliaarthropodainsectanomotettixcristatuscrestedpygmygrasshoppergrouse-locustnorthern-crested-grouse-locustcrested-grouse-locustcrested-pygmy-grasshopperiNaturalistGBIFCatalogue-of-LifeNCBI-TaxonomyWikipediaSkejoTumbrinckDevrieseHochkirchMorse-1895Hancock-1902Scudder-1863BatrachideacristatacompressusfloridanusNearctic-region35-species2000-species230-million-yearsdinosaur-contemporarieswater-dependent-lifecyclePeruća-lakeCroatiaBalkansEuropesystematicstaxonomyfaunisticsnatural-historybiodiversityconservationendangeredimperiledZooKeysresearchamateur-naturalistcitizen-scienceobservation53-observationsrareneglected-diversitytropicsMadagascarAustraliaNew-GuineaBorneoBrazilAtlantic-Forestleaf-like-morphologyspineswartsundulationshornsbizarregrotesqueHancock-1907Genera-InsectorumAcididaepronotal-projectionHolocerusNotocerusHolocerus-luciferHolocerus-devrieseiNotocerus-formidabilisMetopomystrum-muricienseOphiotettix-pulcherrimaParaselina-brunneriSelivinga-tribulataCriotettix-bispinosusTetrix-subulataTettigidea-lateralisTetrix-undulataTetrix-tenuicornisParatettix-meridionalisParatettix-mexicanusTetrix-depressaTetrix-arenosaTetrix-bipunctataTetrix-japonicaParatettix-aztecusHyperyboella-orphaniaScelimena-productaEurymorphopus-bolivariensisDiscotettix-belzebuthTetrix-ceperoiTetrix-transsylvanicaArulenusRhacocleis-buchichiiBarbitistes-kaltenbachiAdžićDeranjaPavlovićFran-RebrinaIvan-BudinskiVrlikaHPMHrvatski-Prirodoslovni-MuzejZagrebKitonićMikoFranjevićMedakMathieuSilvaPereiraDe-DomenicoSperberConnorsHendriksenLambertChongMcMasterMonaghanRentzRichterRoseTelnovBarclayPauwelsEntomological-Society-of-LatviaRigaLatviaWallaceaVolume-IIIbiogeographynature-conservationTrinity-Audioguest-blogJosip-SkejoOrthoptera-of-CroatiaBalkan-endemicendemic-speciesnatural-history-museummuseum-collectionsfield-researchcareer-determinationserendipitous-discoverynew-speciessystematic-researchunderstudied-groupregular-publishing20212017202020142016201320122011primary-schoolhigh-schoolbiology-studentsnakesUropeltidaeScolecophidiashield-tailed-snakesblind-snakesgrasshopperscricketsCroatian-endemicfirst-encounterwater-dependencylifecycleleading-European-orthopteristsrare-speciesnew-Arulenus-speciesunderstudiedpublishingTetrigidae-researchencyclopediaElsevierdigital-taxonomyopen-accessinnovationsjournalgrowthtrendingsocial-mediaFlickrunidentified-rare-pygmy-grasshoppersstudentsamateursnew-recordsnot-rareTribulation-helmed-groundhopperKurandaTully-RangeRedlynchKingfisher-parkSpeewahselected-awesome-placesselected-amazing-taxarainforestshumid-forestsextremely-rareweird-lookinglargestmost-colourfulZooKeys-studiesphotographsidentified-to-species-levelvariabilitypronotal-projection-morphologyholotypeMaroantsentraAntongil-BayTamataveAndasibeVohimanaRanomafanaAnalamazaotraTraveler's-PalmRavenala-madagascariensisnatural-habitatskilful-flierflightlarge-back-spinesFormidable-Pygmy-GrasshopperSava-regiontrue-colourssmallinterestingPygmy-unicornsSouthern-AmericaMuricidescriptionmale-holotypeheadsternumfrontal-viewdorsal-viewlateral-viewsternomentumscale-barsGiraffehoppersuniqueantennal-shapeface-colorationvisual-animalscourtshipmating-pairYapen-IslandCenderawasih-BayW-New-Guineayoung-entomologistsdecisionstudy-pygmy-grasshoppersdirectionprimary-and-high-schoolcompare-datafirst-ideafamiliar-animalsfieldorder-Orthopterafriendfellow-studentfirst-systematic-researchtwo-Croatian-endemic-speciesfirst-years2011-2012never-sawsingle-pygmy-grasshopperBIOMSinjTetrigidae-locationaround-waterfirst-time-everlifecycle-water-dependentresearchingcontactingHendrik-DevrieseAxel-HochkirchJosef-TumbrinckCroatian-Natural-History-MuseumSkejo-et-al.-2014Skejo-&-Caballero-2016regularly-publishingAdžić-et-al.-2021Endangered-Pygmy-GrasshoppersEncyclopaedia-of-ConservationMathieu-et-al.-2021ZooKeys-1042Silva-et-al.-2017commentsrecent-changesMetopomystrumCleostratiniMiriatriniZooKeys-702Skejo-et-al.-2020online-social-mediaAnaselinaParaselinaSelivingarare-Australian-pygmy-grasshoppersZooKeys-948Malagasy-devilsnorthsouthZooKeys-957Tumbrinck-&-Skejo-2017taxonomic-and-biogeographic-revisionNew-Guinean-genusOphiotettix-Walker-1871MetrodorinaeOphiotettigini-trib.-nov.33-new-speciesnature's-creationsencouragedU.S.-speciesspectacularclosedHalloweenorange-and-blackArgus-tortoise-beetleChelymorpha-cassideaoleander-caterpillarSyntomeida-epilaiswheel-bugArilus-cristatusmorning-gloryConvolvulaceaesweet-potatotoxic-compoundsalkaloidsnerve-poisonsmonarch-butterflymilkweed-leaf-beetleoleander-aphidpredator-protectionpolka-dot-wasp-mothvermillion-wingsiridescent-blue-bodywhite-spotswasp-mimicryultrasonic-songmate-attractionegg-depositionoleander-leafcaterpillarscluster-feedingcardiac-glycosidesheart-poisonsdogbane-beetlesnatural-enemiesbarrel-shaped-eggspale-orangeexoskeleton-hardeningorange-black-orangeantennae-pale-orangebody-and-legs-jet-blackrear-end-brilliant-orangestout-beakproboscisimpalementdigestive-enzymesliquefactionmedieval-torture-wheelHemipteratrue-bugssucking-mouthpartsincomplete-metamorphosisegg-nymph-adultplant-feedersharlequin-bugssquash-bugsstink-bugsfierce-predatorspest-controlReduviidaeassassin-bugsZelus-longipesmilkweed-assassin-bugsticky-forelegsprey-snaringproteolytic-enzymespredigestionmuscular-pumpblack-wing-budsgoldenrodsmeadow-plantsPselliopus-barberiorange-assassin-bugblack-stripesstealthleafhopperbrown-marmorated-stink-bugHalyomorpha-halysbiological-control-agentnative-protein-sourcesautumn-egg-layingspring-hatchingMay-Junered-abdomensorange-antennaesawfly-larvaebeetlesother-bugspainful-pokecautionhandlingpet-keepingMad-MagazineSpy-vs-Spypointy-nosed-secret-agentsentomological-equivalentBug-vs-BugHeteropteraclanawesome-predatornative-to-North-Americarecord-numbersnurseryfunction-of-wheelspeculationcautious-approachembraceliquefied-mealprotein-for-growthegg-productioncluster-sizetree-barkmagnificent-creatureswide-varietyscoresstealthy-stalkingassassinationcomplementary-outbreakbenefitnaturally-occurring-predatorsparasitesstem-onslaughtno-interest-in-humansretreatmemorable-painful-pokefirsthand-experienceclever-assassinUSDA-NIFA-SCRI-Awardresearch-supportaction-videowebsitepredator-prey-relationshipnatural-enemyultimate-comeuppanceChinese-praying-mantisyellow-and-black-garden-spiderarachnidclose-encounterinvasive-pestAsiaAllentown-PA1990smillions-of-dollars-damagecropshome-invasion33-stateswinter-refugerising-crescendoconcernfarm-fieldslandscapescreature's-banebountyawesome-six-legged-predatormedieval-torture-devicesource-of-speculationlittle-facttasty-morselmarkhapless-victimslurpprotein-for-developmentautumnwell-fed-femaleseveral-to-more-than-one-hundredsycamore-treeattendanceironynocenttriggered-outbreakremain-to-be-seenword-of-cautionAssasipetlaboratorylearned-firsthandtry-not-to-handlevictimShrewsburyMartinsonSargentfascinationinspirationarchivecreaturestreesUFextensionintegrated-pest-managementNC-StateAG295htmltortoise-beetlesIFASornole-cpillarUKYAgricultureCritterFilescasefileinsectsbugsassassinsuggested-common-namescientific-nameLinnaeusMegha-KalsiDakshina-R.-Sealpublicationpreparationhappy-safe-Halloweeneat-stink-bugpart-3meets-wheel-bugmid-Atlantic-regioninimitable-pestapplesvegetablessoybeanshomesdiscoverydamagedistresshomeownerswicked-winterprevious-episodesgive-stink-bugsBaby-boomersoutwitundosucking-insectsMother-Natureliquefied-tissuesegg-conversionclustersspringbright-red-abdomensluckyhalf-dozenstealthily-stalkedassassinatingstinky-marmorated-cousinsno-particular-intereststalking-humanstoo-largetaste-badfirsthandbewarehandling-directlyAshleyNancyChrisRyanErikCarolinewranglingdeath-of-stink-bugPart-2vandalizing-vegetablessullying-soybeansinvading-homeswide-variety-cropscurious-reunionarachnid-kindstalkingcapturingassassinating-stink-bugsgamegorgeous-wheel-bug-nymphscluster-near-eggsventuring-offfirst-victimtrue-bug-clanbed-bugsleaf-footed-bugsnefarious-brown-marmorated-stink-bugpredictedstruggleprotect-cropsprevent-stinky-invadersoverlookeating-mechanismbusiness-endpowerful-beakfront-legscautiously-approachesembracesimpalespumps-strong-digestive-enzymesliquefy-body-tissuesslurpslarvaetens-to-more-than-one-hundredplant-hoppersaphidsincrease-in-populationsstink-bug-laden-nurserycurious-ironyoutbreakbeneficial-wheel-bugsiNaturalist-taxonrankpreferred-common-nameobservations-count399Wikipedia-summarykingdomphylumclassorderfamilygenusGBIF-taxonomy-matchmatched-scientific-namecanonical-namestatusacceptedmatch-typeexactdistribution-recordsauthorshipspecific-epithetclassificationeukaryotanomotettix-cristatusauthoritybasionymgroupgrasshoppers-crickets-katydidsspeciesinstructionsfill-all-fieldsavailable-knowledgefield-cannot-be-supportedreturn-nullNOT-repeat-informationeach-section-focuseduseful-detailschemataxon-recordentomology-guideaccurateconservativeinformativefactual-correctnesscompletenessclarityverbosityusefulnessCRITICAL-RULESinformation-not-clearly-supportedNOT-infer-species-level-traitshigher-taxaexplicitly-justifiedNOT-repeat-same-informationmultiple-fieldsunique-non-overlapping-contentvague-generalizationslike-most-insectstypically-feeds-on-plantscautious-languagehas-been-observedis-known-toNOT-fabricatebehaviorsdietlife-cycle-detailshost-relationshipsFIELD-INTENTsummaryhigh-level-overview3-5-sentencesappearancephysical-description-onlyidentificationdistinguish-from-similar-taxahabitatenvironment-conditionsdistributiongeographic-range-onlyseasonalitytiming-of-activityfeeding-habitsnull-if-unknowndevelopmental-stagesbehaviornotable-actions-or-habitsecologicalRolerole-in-ecosystemhumanRelevanceinteraction-with-humanssimilarTaxamust-include-reasonmisconceptionsonly-if-meaningfulextraDetailsimportant-additional-contextSTYLE-RULESclear-direct-sentencesavoid-fluff-filler-languagerepeating-taxonomy-in-proseoverly-technical-jargonconcrete-statementsabstract-descriptionsQUALITY-RULEScompleteness-highmost-fields-well-supportedcompleteness-mediumpartial-but-reliablecompleteness-lowsparse-datahasInferredContenttrue-ONLY-if-generalization-usedotherwise-falseOUTPUT-FORMATstrictly-match-JSON-schemano-extra-fieldsno-commentary-outside-JSONwater-associatedthree-subspeciesN.-c.-cristatusN.-c.-compressusN.-c.-floridanussmall-size399-observationsexact-matchmedium-completenessno-inferred-contentfactual-correctness-prioritizedconservative-approachinformative-contentno-fluffno-vague-generalizationscautious-language-where-neededno-fabricationunique-field-contentfocused-sectionsJSON-schema-complianceno-commentaryNotholopisca
Notholopisca is a monotypic genus of plant bugs (family Miridae) containing a single described species, N. californica. The genus was established by Carvalho in 1975. As a member of the Miridae, it belongs to the diverse assemblage of true bugs known for their phytophagous habits, though specific ecological details for this genus remain limited.
Nothomyia calopus
Nothomyia calopus is a species of soldier fly in the family Stratiomyidae, first described by Hermann Loew in 1869. It belongs to the tribe Prosopochrysini within the subfamily Stratiomyinae. The species is documented from the Caribbean region and the southern United States, though detailed biological information remains limited.
Notocyphinae
Notocyphinae is a monotypic subfamily of spider wasps containing the single genus Notocyphus. These wasps are distributed across the Nearctic and Neotropical regions. The subfamily is notable for parasitism on tarantulas, including documented cases involving the aviculariine tarantula Avicularia purpurea in the Ecuadorian Amazon.
Notocyphus
Notocyphus is a genus of spider wasps and the sole genus in the monotypic subfamily Notocyphinae. These wasps are known to parasitize tarantulas, including arboreal species in the subfamily Aviculariinae and terrestrial species in Theraphosinae. The genus occurs in the Nearctic and Neotropical regions, with documented host associations in the Amazon region of Ecuador and Brazil.
Notoxus apicalis
Notoxus apicalis is a species of monoceros beetle in the family Anthicidae, first described by LeConte in 1852. The species occurs in Central America and North America. Members of the genus Notoxus are commonly known as ant-like flower beetles due to their resemblance to ants in size, shape, and behavior. The specific epithet "apicalis" refers to a marking or feature at the apex, likely of the elytra or pronotum.
Notoxus subtilis
monoceros beetle
Notoxus subtilis is a species of monoceros beetle in the family Anthicidae, first described by John Lawrence LeConte in 1852. The species belongs to a distinctive genus characterized by an elongated, forward-projecting process on the pronotum resembling a horn. It is distributed across North America with confirmed records from Canadian provinces including Alberta, Manitoba, and Ontario.
Nylanderia austroccidua
Nylanderia austroccidua is a species of ant in the subfamily Formicinae, originally described from a widespread distribution ranging from Utah to Costa Rica. Molecular phylogenetic analysis using Ultraconserved Elements (UCEs) revealed that specimens matching the original description are paraphyletic with respect to Nearctic Nylanderia species, indicating the original concept encompassed multiple cryptic lineages. The species belongs to American Clade I (AC1), a group that includes a Neotropical subclade extending into Mesoamerica. An updated taxonomic description was published in 2024 as part of a revision that described eight new Nylanderia species from the region.
Nylanderia flavipes
Yellow-footed Ant
Nylanderia flavipes is a small ant species in the subfamily Formicinae, native to Asia and introduced to the Nearctic region including the United States. It was previously classified under the genus Paratrechina before taxonomic revision. The species serves as a documented host for the parasitoid wasp Gollumiella buffingtoni, with workers showing unusual tolerance and active assistance toward the parasitoid's development. It is one of at least five introduced Nylanderia species established in the Nearctic region.
Nylanderia steinheili
West Indian Crazy Ant
Nylanderia steinheili is an introduced ant species in the Nearctic region, originally described by Forel in 1893 under the genus Prenolepis. It is one of at least five Nylanderia species introduced to North America from tropical regions. The species is known from the West Indies and has been recorded in the Galápagos Islands and parts of South America. Its introduced status in the Nearctic suggests potential for ecological impact, though specific biological details remain poorly documented compared to congeners like the tawny crazy ant (Nylanderia fulva).
Nylanderia terricola
Nylanderia terricola is a Nearctic ant species in the subfamily Formicinae, originally described by Buckley in 1866. Workers of this species are morphologically difficult to distinguish from N. vividula, and accurate identification typically requires examination of male specimens. The species belongs to a genus that includes both native and introduced species in the Nearctic region.
Nylanderia vividula
Field Crazy Ant
Nylanderia vividula is a species of ant in the subfamily Formicinae, commonly known as the Field Crazy Ant. Workers are morphologically similar to N. terricola, requiring examination of males for definitive identification. The species was originally described by Nylander in 1846 and has undergone taxonomic revision, with the subspecies N. vividula mjobergi synonymized under the senior name. It is native to the Nearctic region and has been recorded from multiple countries including Cuba and Cyprus.
Obolopteryx brevihastata
Common Short-wing Katydid
A katydid species in the subfamily Phaneropterinae, distributed across the southwestern United States and northern Mexico. Distinguished from congeners by male genitalic and tegminal characters. The specific epithet refers to the relatively short ovipositor.
Occidentalia
Occidentalia is a monotypic moth genus in the family Crambidae, established by Harrison Gray Dyar Jr. and Carl Heinrich in 1927. The genus contains a single species, Occidentalia comptulatalis, described by George Duryea Hulst in 1886. It is distributed across northern North America, with adults active in mid-summer and larvae specializing on Scirpus (bulrush) species.
Ochrotrichia
microcaddisfly
Ochrotrichia is a large genus of microcaddisflies (family Hydroptilidae) comprising approximately 226 extant species, making it the most species-rich microcaddisfly genus in the Neotropics. The genus is predominantly distributed in the Nearctic and Neotropical regions, with one exceptional African record from the Democratic Republic of the Congo. Species are primarily found in freshwater stream habitats.
Ochthebius lineatus
Ochthebius lineatus is a species of minute moss beetle in the family Hydraenidae. The species was described by J.L. LeConte in 1852. It has a broad distribution across the Americas, with records from North America, Central America, and South America. As a member of the Hydraenidae, it belongs to a family of small aquatic or semiaquatic beetles commonly known as minute moss beetles or water scavenger beetles.
Ochthephilus planus
Ochthephilus planus is a rove beetle in the family Staphylinidae, subfamily Oxytelinae. This small beetle is distributed across northern North America, with records from Canada (including Alberta, British Columbia, Newfoundland, Ontario, Quebec, and Yukon) and the United States (including Alaska, California, Colorado, Maine, New Hampshire, New Mexico, New York, Oregon, Tennessee, Vermont, Washington, and Wyoming), as well as the Russian Far East. The species was first described by J.L. LeConte in 1861 based on specimens from North America. Like other members of the Oxytelinae, it is associated with moist habitats and organic matter decomposition.
Odonteus falli
Odonteus falli is a species of earth-boring scarab beetle in the family Geotrupidae, first described by Wallis in 1928. It is native to North America and has been recorded across the northern United States and central Canada. Like other members of its genus, it is associated with soil-burrowing habits typical of the group commonly known as earth-boring dung beetles. The species is relatively poorly documented in the scientific literature compared to some congeners.
Odonteus filicornis
earth-boring scarab beetle
Odonteus filicornis is an earth-boring scarab beetle in the family Geotrupidae. The species was described by Thomas Say in 1823. It is native to North America and has been documented across the central United States and southern Canada.
Odontolytes denominatus
Odontolytes denominatus is a small aphodiine dung beetle in the family Scarabaeidae. It is distributed across the Neotropical and southern Nearctic regions, with records from the Caribbean, Central America, and northern South America, as well as Florida in the United States. As a member of the tribe Eupariini, it is associated with decomposing organic matter.
Odontomyia aldrichi
Odontomyia aldrichi is a species of soldier fly in the family Stratiomyidae, described by Johnson in 1895. The genus Odontomyia belongs to the tribe Stratiomyini within the subfamily Stratiomyinae. Members of this genus are characterized by their aquatic larval biology and adults often exhibit patterned eyes with horizontal banding. The species is part of a genus with primarily Nearctic distribution, though some species extend into the Neotropics.
Odontomyia cincta
Odontomyia cincta is a species of soldier fly in the family Stratiomyidae. The species is known from the United States and Canada, with distribution records from Vermont and other locations. As a member of the subfamily Stratiomyinae, its larvae are likely aquatic, a trait characteristic of this subfamily. Adults are recognized by features typical of the genus Odontomyia, including patterned eyes with horizontal banding that may facilitate detection of horizontally polarized light.
Odontopsammodius cruentus
Odontopsammodius cruentus is a small aphodiine dung beetle in the family Scarabaeidae. It is distributed across parts of North America and South America, with records from the southeastern United States and Argentina. As a member of the tribe Psammodiini, it is associated with sandy substrates. The species was described by Harold in 1867.
Oecetis cinerascens
Ashy Long-horned Caddisfly
Oecetis cinerascens is a species of long-horned caddisfly in the family Leptoceridae, commonly known as the Ashy Long-horned Caddisfly. It is native to North America and was first described by Hagen in 1861 under the basionym Setodes cinerascens. As a member of the Leptoceridae, it possesses the characteristically elongated antennae that give this family its common name. The species has been documented through over 500 observations on iNaturalist, indicating it is regularly encountered by naturalists.
Oecetis inconspicua
Inconspicuous Long-horned Caddisfly
Oecetis inconspicua is a species of long-horned caddisfly in the family Leptoceridae. It is found in North America, with additional records from Brazil. The species belongs to a family characterized by larvae that construct portable cases and adults with notably elongated antennae.
Oecleus lyra
Oecleus lyra is a species of planthopper in the family Cixiidae, described by Kramer in 1977. It belongs to the tribe Oecleini within the subfamily Cixiinae. Like other cixiids, it is a member of the superfamily Delphacoidea, a group of true bugs characterized by their plant-sap feeding habits. The species has been documented in Arizona based on distribution records.
Oecleus natatorius
Oecleus natatorius is a species of planthopper in the family Cixiidae, described by Ball in 1937. It belongs to the tribe Oecleini, a group of small to medium-sized fulgoroid insects. Members of the genus Oecleus are generally associated with grassland and shrubland habitats. The specific epithet 'natatorius' suggests an association with water or moist environments, though this has not been formally documented.