Finland
Guides
Amphinemura linda
Amphinemura linda is a species of spring stonefly in the family Nemouridae. It was described by Ricker in 1952. The species is currently considered a synonym of Amphinemura palmeni. It has been recorded from North America, with distribution records from Alberta, Alaska, British Columbia, and Iowa, as well as from Finland.
Aradus laeviusculus
Aradus laeviusculus is a near threatened flat bug (Hemiptera: Aradidae) that was considered extinct in Finland until its rediscovery in 1996. The species inhabits post-fire habitats, specifically burnt restoration sites. Recent records from Koli National Park in North Karelia, Eastern Finland, demonstrate its persistence in managed fire-maintained landscapes.
Ochlerotatus communis
Ochlerotatus communis is a mosquito species distributed across northern regions of North America, Europe, and Asia. Studies have documented its role as a vector for orbiviruses, with isolations of Kevo orbivirus and Mobuck virus from specimens collected in Finland. Research on male specimens indicates elevated catalase enzyme activity during the teneral period and early post-emergence, suggesting physiological adaptations to oxidative stress during metamorphosis.
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-huntingsearchingprobingtestingexplorationlearningmemorycognitionbehaviorethologyecologypopulationcommunityecosystembiomebiospherehabitatenvironmentabioticbioticfactortemperaturehumiditymoisturepreci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fungus gnat
Sciophila is a genus of fungus gnats in the family Mycetophilidae, established by Meigen in 1818. These small flies are characterized by their association with fungal habitats and shadowy environments. The genus includes both widespread Palaearctic species and Neotropical species that have been intercepted as glasshouse contaminants. Species such as Sciophila holopaineni from Finnish Lapland and S. fractinervis from the Neotropics demonstrate the genus's broad geographic range and ecological diversity.
Tanytarsus
non-biting midge
Tanytarsus is a large genus of non-biting midges comprising over 480 described species. The genus belongs to the tribe Tanytarsini within the subfamily Chironominae. Larvae occur in diverse freshwater habitats, with some species inhabiting marine environments. Species-level studies reveal complex life cycles with photoperiod and temperature as key determinants of seasonal patterns.