1894
Guides
Geminaria pellucida
Geminaria pellucida is a species of bee fly in the family Bombyliidae, subfamily Lordotinae. Described by Coquillett in 1894, this species belongs to a genus characterized by distinctive morphological features typical of the bee fly lineage. Bee flies are known for their parasitoid larval development, though specific host relationships for this species remain undocumented.
Macrorileya oecanthi
Macrorileya oecanthi is a species of chalcid wasp in the family Eurytomidae. It was described by William H. Ashmead in 1894. The specific epithet 'oecanthi' indicates an association with tree crickets of the genus Oecanthus, suggesting this species may be a parasitoid or inquiline associated with these orthopteran hosts. The species is known from scattered records in the eastern and central United States.
Oreoneta
A genus of dwarf spiders (family Linyphiidae) established in 1894, comprising approximately 30 species distributed across cold-temperate and Arctic regions of the Northern Hemisphere. Most species inhabit high-latitude or high-altitude environments. The genus was revised extensively by Saaristo & Marusik in 2004, resulting in numerous new species descriptions.
ArachnidaAraneaeLinyphiidaedwarf-spiderArcticborealHolarctictundramontanepredatorcold-adaptedground-dwellinghigh-latitudehigh-altitudeSaaristoMarusikChyzerKulczyński18942004-revisiongenitalic-charactersepigynumembolusconductorpalaearcticnearcticEurasiaNorth-AmericaScandinaviaSiberiaAlaskaCanadaGreenlandKazakhstanMongoliaChinaKurile-IslandsFinlandSwedenNorwayGermanySwitzerlandItalySlovakiaBulgariaCentral-Europetype-species:-Oreoneta-frigidathirty-species30-speciessmall-spidersheet-web-weavermoney-spiderLinyphiinaeErigoninaemicrohabitatlitter-dwellingcrypticunderstudiedtaxonomic-revisionmorphological-taxonomylight-microscopyspecies-descriptionbiogeographyglacial-refugiapost-glacial-colonizationendemicregional-endemicalpine-endemicArctic-endemicboreal-foresttaigarocky-habitatmeadowwetlandstream-marginsnowbedfellfieldheathmosslichenvegetationsoil-surfacestonerockboulderscreetalusdebrishumusorganic-layerpermafrostpolarsubpolarcold-stenothermstenothermstenotopichabitat-specialistconservationraredata-deficientIUCNred-listnatural-historysystematicsphylogenymolecular-systematicsDNA-barcodingCOIcytochrome-oxidase28S18SITSmorphologytaxonomyalpha-taxonomyrevisionmonographfaunisticschorologyzoogeographydispersalvicariancespeciationcryptic-speciesspecies-complexspecies-groupspecies-aggregatesubspeciesinfraspecificvariationpolymorphismsexual-dimorphismmalefemalejuvenileinstarecdysismoltingdevelopmentgrowthreproductionmatingcourtshipsperm-transferspermatophorepedipalppalpal-organcopulatory-organgenitaliaepigynevulvaspermathecafertilization-ductcopulatory-ductatriumscapemacerationdissectionmicroscopestereomicroscopecompound-microscopeillustrationdrawingphotographySEMscanning-electron-microscopyhabitusdorsalventrallateralprosomaopisthosomaabdomencephalothoraxcarapacesternumchelicerafanglegtarsusmetatarsustibiapatellafemurcoxatrochanterspinneretcolulustracheal-spiraclebook-lungcuticlesetahairspinemacrosetasensillumchaetotaxyeyeoculusocellianterior-median-eyeposterior-median-eyeanterior-lateral-eyeposterior-lateral-eyeeye-tubercleclypeusfoveapedicelwaistconstrictioncolorpatternpigmentationmelanismalbinismsizemeasurementtotal-lengthcarapace-lengthcarapace-widthabdomen-lengthleg-lengthleg-formulaindexratioproportionallometryontogenysubadultadultmaturitysexual-maturityreproductive-maturitylongevitylife-spangeneration-timevoltinismunivoltinesemivoltinebiennialperennialoverwinteringdiapausequiescencecold-hardinessfreeze-tolerancefreeze-avoidancesupercoolingcryoprotectantglycerolsorbitoltrehalosethermal-biologythermoregulationbehavioral-thermoregulationpostural-thermoregulationactivitydiurnalnocturnalcrepuscularmatutinalvespertinecircadianrhythmseasonalphenologycalendardatemonthactivity-periodbreeding-seasonovipositioneggegg-saccocoonsilkwebsheet-webtangle-webspace-webplatform-webdome-webbowl-webfunnelretreatsignal-linedraglineattachment-discampullate-glandcylindriform-glandaciniform-glandaggregate-glandflagelliform-glandtubuliform-glandpiriform-glandmajor-ampullateminor-ampullatesilk-proteinspidroinfibroinsericingluevisciddrycapture-silkdragline-silksafety-lineanchor-lineframe-lineradial-linespiral-linesticky-spiralnon-sticky-spiralhubperimetersubstratenicheguildfunctional-grouptrophic-levelcarnivorezoophagearthropodivoreinsectivorepreycaptureattacksubdueimmobilizekillfeeddigestextraoral-digestionsucking-stomachgutmidguthindgutMalpighian-tubuleexcretionosmoregulationmetabolismrespirationtracheaspiraclegas-exchangecirculationhemolymphheartaortasinusnervous-systembrainganglionnervesensory-organmechanoreceptorchemoreceptorthermoreceptorhygroreceptorphotoreceptorproprioceptortrichobothriumtarsal-organslit-sensillumlyriform-organpedipalp-organHaller's-organcontact-chemoreceptorgustatoryolfactorypheromonesemiochemicalkairomoneallomonesynomonecommunicationsignalvibrationseismicairbornevisualchemicaltactilecopulationinseminationspermspermatozoonmedian-apophysisterminal-apophysisparacymbiumcymbiumbulbustegulumsubtegulumradixlamellaprocessapophysisflangehookcoilspiralductreservoirscleriteplatefieldfossapocketreceptaculumspermathecaeglandinsemination-ductuterusuterus-externusuterus-internusvaginagonoporeovipositorovaryoviductfolliclevitellogenesisoogenesisspermatogenesistestisvas-deferensejaculatory-ductseminal-vesiclefecundityfertilityclutch-sizeegg-numberhatchingemergenceballooningaerial-dispersalsilk-draglinegossamermigrationmovementwalkingrunningjumpingclimbingburrowinghidingrefugeshelterdefensepredationpredator-avoidanceantipredatorcrypsiscamouflagemimicryaposematismdeimaticthanatosisautotomyleg-lossregenerationinjurywoundhealingimmune-responsehemocytemelanizationencapsulationnoduleparasiteparasitoidpathogenfungusbacteriumvirusnematodemitegroomingcleaninghygieneself-maintenancesilk-useweb-useprey-captureforaginghuntingambushsit-and-waitactive-huntingsearchingprobingtestingexplorationlearningmemorycognitionbehaviorethologyecologypopulationcommunityecosystembiomebiospherehabitatenvironmentabioticbioticfactortemperaturehumiditymoistureprecipitationrainsnowwindlightphotoperiodday-lengthradiationUVsoilcovercomplexityheterogeneityproductivityenergynutrientcarbonnitrogenphosphorusfood-webtrophic-interactionpredator-preycompetitionintraspecificinterspecificresourcepartitioningcoexistencediversityrichnessevennessabundancedensityfrequencyoccurrencepresenceabsencedetectionsamplingcollectionpitfall-trapquadrattransecthand-collectingbeatingsiftingextractionBerleseTullgrenWinklerflotationsortingpreservationethanolformalinmountslidelabelcatalogdatabaserepositorymuseumvouchertypeholotypeparatypesyntypelectotypeparalectotypeneotypetopotypeoriginaldatalocalitygeoreferencecoordinatelatitudelongitudeelevationaltitudedepthcollectordeterminationidentificationexpertspecialistliteraturepublicationjournalarticlepaperbookthesisdissertationreportchecklistonlinedigitalarchivebibliographyreferencecitationauthoryearvolumepagefiguremaptableappendixsupplementarymaterialmethodsresultsdiscussionconclusionabstractkeywordindex-termsubjecttopicdisciplinesciencebiologyzoologyarachnologyentomologyevolutionphylogeneticsbiologicalnatureprotectionmanagementpolicylegislationrestorationmonitoringassessmentindicatorflagshipumbrellakeystoneengineerservicefunctiondynamicsstabilityresilienceresistancerecoverysuccessiondisturbanceclimatechangewarmingglacierrangeshiftexpansioncontractionfragmentationisolationconnectivitycorridornetworkreserveparkprotectedareawildernessurbanruralagriculturalforestryminingimpactthreatriskvulnerabilitysensitivityexposureadaptivecapacitymitigationadaptationsustainableuseharvesttradeeconomymedicineresearcheducationoutreachcitizenengagementawarenessappreciationaestheticculturalspiritualexistencevalueintrinsicinstrumentalutilitariananthropocentricbiocentricecocentricethicphilosophyhistorydiscoveryexpeditionvoyagesurveyinventoryfaunabiotabiodiversitylifeearthplanetwildlifeanimalinvertebratearthropodcheliceratearachnidspideraraneomorphentelegynemicryphantidOreoneta2004frigidatype-speciesalpinefeedingtype-specimenclimate-changeprotected-area