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Stictocephala stimulea
Stictocephala stimulea is a treehopper species in the family Membracidae, first described by Van Duzee in 1914. Treehoppers in this genus are characterized by their enlarged, often ornate pronotum that extends over the body like a helmet or thorn. The specific epithet 'stimulea' suggests possible resemblance to or association with stinging organisms, though this refers to appearance rather than actual sting. Like other membracids, this species likely feeds on plant phloem sap using piercing-sucking mouthparts.
MembracidaetreehopperAuchenorrhynchaCicadomorphaStictocephalaCeresiniSmiliinaeHemipterasap-feederpronotumhelmetthorn-mimicryplant-feeding-insectphloem-feedercryptic-colorationcamouflageVan-Duzee-1914NearcticNorth-AmericaFloridaNorth-CarolinaSouth-Dakotaunderstudied-speciesdata-deficienttaxonomyentomologyinsectarthropodtrue-bugauchenorrhynchancicadomorphleafhopper-relativeplant-hopperornate-pronotumpronotal-extensiondorsal-helmetinsect-morphologyinsect-systematicsbiodiversitynatural-historyconservationinsect-ecologyinsect-behaviorinsect-developmentinsect-distributionbiogeographyspecies-descriptiontype-specimenoriginal-descriptionhistorical-taxonomymuseum-specimencollection-recordoccurrence-dataGBIFiNaturalistcitizen-scienceobservation-recordrange-mapdistribution-datageographic-rangeendemicnative-speciesregional-faunalocal-biodiversityhabitat-specificityhost-plantfeeding-guildphytophagousherbivoreplant-insect-interactioncoevolutionmimicrydefensecrypsisevolutionary-adaptationmorphological-adaptationexoskeleton-modificationstructural-colorationinsect-identificationfield-guidediagnostic-charactertaxonomic-keyspecies-complexcryptic-speciesmorphological-variationgeographic-variationphenotypic-plasticitylife-historyreproductionovipositionnymphinstarmetamorphosishemimetabolousincomplete-metamorphosispopulation-dynamicscommunity-ecologyfood-webtrophic-levelprimary-consumerecosystem-functionnutrient-cyclingenergy-flowbiological-controlpest-statusagricultural-relevanceforestryurban-ecologyinvasive-potentialclimate-changehabitat-lossconservation-statusdata-gapresearch-needtaxonomic-revisionphylogeneticsmolecular-systematicsDNA-barcodingintegrative-taxonomynatural-history-collectionspecimen-digitizationopen-dataFAIR-databiodiversity-informaticsbiological-databasetaxonomic-authoritynomenclaturezoological-nomenclatureInternational-Code-of-Zoological-Nomenclaturetype-localitytype-specimen-depositionauthor-citationoriginal-combinationcurrent-combinationsynonymyhomonymynomenclatural-acttaxonomic-historyclassification-systemphylogenetic-classificationevolutionary-relationshipsmonophylycladelineagestem-groupcrown-groupdivergence-timemolecular-clockfossil-recordpaleontologyextantextinctliving-fossilevolutionary-historybiogeographic-historydispersalvicariancerange-expansionrange-contractionrefugiumglacial-relictpostglacial-colonizationanthropogenic-impacthuman-disturbanceland-use-changeurbanizationagricultural-intensificationpesticide-usehabitat-fragmentationconnectivitycorridorprotected-areaconservation-planningsystematic-conservation-planningpriority-areahotspotendemic-areacenter-of-origincenter-of-diversityevolutionary-significant-unitmanagement-unitpopulationmetapopulationsource-sink-dynamicsdemographyvital-ratessurvivalfecunditygeneration-timepopulation-growth-ratecarrying-capacitydensity-dependenceregulationlimiting-factorenvironmental-stochasticitydemographic-stochasticitygenetic-stochasticityinbreeding-depressionoutbreeding-depressiongenetic-diversityheterozygosityallelic-richnesseffective-population-sizegenetic-driftgene-flowmigrationisolation-by-distanceisolation-by-resistancelandscape-geneticspopulation-genomicsphylogeographyhistorical-demographycoalescent-theoryapproximate-Bayesian-computationspecies-distribution-modelecological-niche-modelhabitat-suitabilitybioclimatic-envelopeclimate-envelopeniche-conservatismniche-evolutionrealized-nichefundamental-nichebiotic-interactioncompetitionpredationparasitismmutualismcommensalismamensalismfacilitationapparent-competitionindirect-interactiontrophic-cascadetop-down-controlbottom-up-controlmesopredator-releasekeystone-speciesecosystem-engineerfoundation-speciesdominant-speciescharacteristic-speciesindicator-speciesumbrella-speciesflagship-speciessurrogate-speciesfocal-speciestarget-speciespest-speciesinvasive-speciesnaturalized-speciesalien-speciesnon-native-speciesintroduced-speciescryptogenic-speciesrange-shiftpoleward-shiftelevational-shiftphenological-shifttemporal-mismatchtrophic-mismatchphenologyseasonalityvoltinismunivoltinebivoltinemultivoltinepartial-generationprolonged-diapauseaestivationhibernationoverwinteringoverwintering-strategycold-hardinessfreeze-tolerancefreeze-avoidancesupercoolingcryoprotectantthermal-biologythermoregulationbehavioral-thermoregulationmicroclimate-selectionhabitat-selectionoviposition-site-selectionhost-selectionmate-choicesexual-selectionsperm-competitioncryptic-female-choicereproductive-isolationprezygotic-isolationpostzygotic-isolationspeciationallopatric-speciationsympatric-speciationparapatric-speciationperipatric-speciationreinforcementhybridizationintrogressionhybrid-zoneclineecotonecontact-zonesecondary-contactexogenous-selectionendogenous-selectionecological-speciationmutation-order-speciationsexual-conflictsexual-dimorphismsexual-size-dimorphismsexual-dichromatismpolymorphismcolor-polymorphismmorphphasegregarious-phasesolitary-phasedensity-dependent-polyphenismreaction-normgenotype-environment-interactionplasticitycanalizationgene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Tortopus is a genus of burrowing mayflies in the family Polymitarcyidae, restricted to six species based on cladistic revision: T. igaranus, T. circumfluus, T. harrisi, T. zottai, T. bellus, and T. arenales. The genus is characterized by distinctive morphological synapomorphies including female parastyli receptors with long anterior furrows, entirely flattened penes, and nymphs bearing two subapical tubercles on mandibular tusks. Nymphs construct U-shaped tunnels in clay banks, a behavior that renders them difficult to sample with standard aquatic survey methods.
EphemeropteraPolymitarcyidaeburrowing-mayfliesNeotropicalclay-bank-habitatU-shaped-tunnelsmandibular-tusksTortopsisCampsurinaePanamerican-distributioncladistic-revisionsynapomorphyparastyli-receptorsflattened-penesfurcasternal-protuberancessubapical-tubercleslimnological-sampling-biasnymph-morphologyadult-morphologytype-species-T.-igaranusnew-species-T.-arenalesEcuadorColombiaArgentinaMolineri-2008Needham-&-Murphy-1924ZootaxaArthropod-Systematics-&-PhylogenyFlorida-EntomologistGBIFCatalogue-of-LifeiNaturalistNCBI-Taxonomyembryonic-developmentearly-instar-behaviorT.-harrisiT.-bellusT.-circumfluusT.-zottaiT.-igaranusT.-incertusT.-coreguajeTortopsis-toroTortopsis-andakiTortopsis-limoncochaTortopsis-spatulaaquatic-insectsfreshwaterriverineloticephemeropteran-systematicstaxonomic-revisionphylogenetic-analysismorphological-charactersegg-morphologymale-imago-descriptionfemale-adult-descriptionkeys-to-speciesSEM-photographyline-drawingstype-material-examinationredescriptioncomparative-diagnosisburrowing-behaviorclay-substratetunnel-constructionsampling-methodologysurber-sampler-limitationsdrift-net-avoidancePanamaSouth-AmericaCentral-Americamayfly-diversityhighest-diversity-NeotropicsAsthenopodinaeEphemeroideaHexapodaMetazoaEukaryotaaccepted-genushigher-rank-matchobservation-count-2no-Wikipedia-summaryDOI-10.11646/zootaxa.2481.1.1DOI-10.11646/zootaxa.2436.1.4DOI-10.3897/asp.79.e62735DOI-10.2307/3493493Scott-et-al.-1959NavásUlmerTraverLugo-Ortiz-&-McCaffertyDomínguezBanksMcDunnoughPictetNeedham-&-Murphyfreshwater-ecologyaquatic-entomologyinsect-developmentnymphal-stagesimago-descriptionalate-adultswing-venationR-sectorgonopore-structureparastyli-lengthpedestal-morphologylateral-view-curvaturemandibular-morphologytusk-tuberclesmesosternal-structureabdominal-sternum-notchfurcasternumprotuberance-configurationreceptor-socket-orientationIR-veinR2-veinclaw-like-structuregonopore-associationpenis-base-separationfemale-fore-wingadditional-veinscomparative-morphologytype-specimenholotypeallotypeparatypeneotropical-speciesnew-species-descriptionspecies-keyidentification-keymale-adult-keyfemale-adult-keynymph-keygeneric-keyPolymitarcyidae-generasystematicsphylogenycladisticsmonophylysister-groupcharacter-statetransformation-seriesparsimony-analysismorphological-data-setexternal-morphologyegg-chorionmicropyleegg-bursterhatchingemergencebehavioral-studyearly-instarembryologyovipositionsubstrate-preferencehabitat-specificityendemicregional-diversityconservationbiomonitoringwater-quality-indicatormacroinvertebratebenthicinfaunalinterstitialhyporheicriver-bankstream-bankerosionsedimentparticle-sizeclay-contentbank-stabilityroot-matvegetation-associationflow-regimecurrent-velocitydepthwidthstream-ordercatchmentbasinecoregionbiogeographydispersalcolonizationvicariancespeciationadaptive-radiationmorphological-divergenceconvergent-evolutionhomoplasycharacter-conflictbootstrap-supportBremer-supportconsensus-treestrict-consensusmajority-ruletaxonomic-stabilitynomenclatural-actoriginal-descriptionsubsequent-designationtype-localitytype-depositorymuseum-collectionspecimen-preservationalcohol-preservationslide-mountingSEM-preparationimaging-techniquesscientific-illustrationphotographymeasurementmorphometricsratiosproportionsallometrysexual-dimorphismgeographic-variationintraspecific-variationinterspecific-variationdiagnostic-charactersidentification-confidencetaxonomic-expertiseliterature-reviewbibliographic-searchdatabase-queryonline-repositoryopen-accesspaywallabstract-onlyfull-text-unavailablecitation-analysisreference-listsource-qualityevidence-strengthknowledge-gapresearch-needfuture-studycollaborationfield-workcollection-tripsampling-effortspecimen-availabilitytype-examinationrevision-scopetaxonomic-conceptcircumscriptioninclusionexclusionspecies-groupspecies-complexcryptic-speciesmorphospeciesphylogenetic-speciesevolutionary-significant-unitoperational-taxonomic-unitDNA-barcodingmolecular-systematicsintegrative-taxonomytraditional-taxonomyalpha-taxonomybeta-taxonomygamma-taxonomyclassification-hierarchyLinnaean-systemrank-based-nomenclaturephylogenetic-nomenclatureclade-namecrown-groupstem-grouptotal-evidencecongruenceincongruencedata-partitioncharacter-weightingimplied-weightingequal-weightingordered-charactersunordered-charactersmultistate-charactersbinary-characterscontinuous-charactersmeristic-charactersqualitative-charactersquantitative-charactersmorphological-matrixdata-matrixcharacter-matrixtaxon-samplingcharacter-samplingmissing-datainapplicable-datapolymorphismintraspecific-polymorphismfixed-differencediagnostic-differenceunique-derived-characterautapomorphyshared-derived-charactersymplesiomorphyconvergent-characterparallel-evolutionreversalcharacter-optimizationACCTRANDELTRANunambiguous-optimizationambiguous-optimizationmost-parsimonious-treetree-lengthconsistency-indexretention-indexrescaled-consistency-indexhomoplasy-indexcharacter-fitcharacter-congruencecharacter-supportbranch-supportnode-supportclade-stabilitytaxonomic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