Parasitiformes
Guides
Euryparasitus
Euryparasitus is a genus of mesostigmatid mites in the family Ologamasidae, established by Oudemans in 1902. The genus comprises approximately 15 described species worldwide, with four species documented in North America. North American species are distinguished by morphological characters of the deutonymphal instar, particularly the presence or absence of barbed setae on the idiosoma, serrations on the gnathotectum, and differentiation of the acrotarsus on leg I.
Ixodes affinis
Ixodes affinis is a hard-bodied tick species distributed across the southeastern United States, Mexico, Central America, and South America. Unlike its congener Ixodes scapularis, this species does not bite humans but serves as a competent vector for Borrelia burgdorferi sensu stricto, the causative agent of Lyme disease. Immature stages feed on birds and small mammals, while adults parasitize larger mammals including deer and dogs. Its expanding range into southeastern Virginia and association with migratory birds has raised concerns about its role in pathogen dispersal.
tickvectorLyme-diseaseBorrelia-burgdorferiavian-hostrange-expansionsoutheastern-United-StatesMexicoCentral-Americanon-human-bitingenzootic-maintenanceco-feedingmigratory-birdsIxodidaeAcariparasitethree-host-tickquesting-behaviorwildlife-disease-ecologyforest-habitatdog-parasitewhite-tailed-deerCarolina-wrenwhite-throated-sparrowOld-Dominion-University-Tick-TeamHolly-GaffErin-Hellermolecular-identificationDNA-sequencingengorged-specimen-identificationpine-plantationrural-Yucatánhunting-dogsTixméhuacOpichénseasonal-activitylaboratory-rearingimmature-stageslarvanymphadultpathogen-dispersalclimate-changehabitat-fragmentationsuburbanizationdeer-populationacorn-mastingsmall-mammal-reservoirBorrelia-miyamotoico-infectiontick-borne-diseasepublic-healthveterinary-parasitologymedical-entomologyvector-ecologyhost-parasite-interactionbird-migrationlong-distance-dispersalboreal-forestCanadaManitobaSwainson's-thrushCatharus-ustulatusmigratory-birdground-foraging-birdpasserinesongbirdbrown-thrashereastern-towheeAmerican-robinnorthern-cardinalmarsh-rice-ratcotton-mouseeastern-gray-squirrelraccoonsouthern-short-tailed-shreweastern-molewhite-footed-mousePeromyscus-leucopuschipmunkTamiasoak-mastingQuercusforest-floorquesting-heighthumidity-preferencewinter-activitytick-removaltick-testingtick-borne-illness-preventionDEETpermethrintick-inspectiontick-avoidanceAIR-protocolArachnidaParasitiformesChelicerataEukaryotaMetazoaAnimaliaArthropodaIxodidahard-tickixodidNeumann-1899taxonomysystematicsdorsal-scutumcapitulumhypostomepalpsspiracular-platesfestoonsornateinornateidiosomagnathosomapodonscutumalloscutumbasis-capitulicornuaporose-areassclerotizedcuticlesetaesensillaHaller's-organtarsusclawspulvilliscutum-shapepunctationsgroovescoxaetrochantersfemoragenuatibiaetarsipretarsiadanal-platesaccessory-platesspiraclestracheaesalivary-glandsmidgutMalpighian-tubulesreproductive-systemovarytestisgenital-apertureanuspreanal-groovepostanal-groovesubanal-platesparanal-platesmarginal-groovespseudoscutumscapularscervical-groovespunctatereticulateshagreenedwrinkledsmoothglabroussetiferouspilosehispidgranularmammillatedtuberculatecarinatedsulcatestriatecostatelineatepunctate-striatereticulate-punctateIXO_affNCBI:txidGBIF:speciesCatalogue-of-Life:speciesiNaturalist:taxonWikipedia:speciesIxodesaffinisbird-tickdeer-tickdog-tickrabbit-tickshrew-tickmole-tickmouse-tickrat-ticksquirrel-tickraccoon-tickwren-tickthrasher-tickrobin-ticktowhee-tickcardinal-ticksparrow-tickthrush-tickmigratory-tickinvasive-tickexpanding-rangeemerging-vectorcryptic-speciesspecies-complexmorphological-identificationDNA-barcodingCOI16SITS2tick-microbiomepathogen-detectionBorreliaspirochetezoonosisvector-competencereservoir-competenceenzootic-cycleepizooticspilloverbridge-vectoramplifying-hostreservoir-hostmaintenance-hostincidental-hostdead-end-hosthost-specificityhost-rangehost-switchinghost-raceecological-fittingniche-expansionrange-shiftphenologydiapauseoverwinteringsurvivalmortalityfecundityreproductive-outputegg-massovipositioneclosionmoltingecdysisinstarstadiumdevelopmental-timegeneration-timelife-spanlongevitypopulation-dynamicsabundanceprevalenceintensityaggregationnegative-binomialzero-inflatedspatial-distributiontemporal-distributionhabitat-associationmicrohabitatvegetation-typeforest-typesuccessional-stageedge-effectfragmentationconnectivitymatrixcorridorpatchlandscape-ecologygeographic-information-systemremote-sensingmodelingdistribution-modelingecological-niche-modelingMaxEntBIOMODclimate-envelopebioclimatic-variablestemperatureprecipitationhumiditysaturation-deficitvapor-pressure-deficitevapotranspirationseasonalityphenology-mismatchglobal-warmingextreme-weatherdroughtfloodphenological-shiftrange-contractionpoleward-shiftelevation-shiftaltitudinal-gradientlatitudinal-gradientcontinentalinsularendemiccosmopolitanpantropicalholarcticnearcticneotropicalpalearcticafrotropicalorientalaustralasianoceanianantarcticbiogeographyphylogeographypopulation-geneticsgene-flowgenetic-structureisolation-by-distanceisolation-by-environmentadaptive-evolutionlocal-adaptationphenotypic-plasticitycryptic-diversityspecies-delimitationintegrative-taxonomymorphometricsgeometric-morphometricstraditional-morphometricslandmarkoutlinesemilandmarkcharacter-matrixphylogenyclassificationnomenclaturetype-specimenholotypeparatypesyntypelectotypeneotypeoriginal-descriptionredescriptionemendationsynonymyhomonymypriorityvalidityavailabilitypublished-workZooBankLSIDURNDOIORCIDauthoryearjournalvolumeissuepagesfigureplatemapdrawingphotographSEMTEMlight-microscopyconfocal-microscopymicroCTscanning-electron-microscopytransmission-electron-microscopyhistologyimmunohistochemistryin-situ-hybridizationPCRqPCRRT-PCRddPCRsequencingSangernext-generationIlluminaPacBioOxford-Nanoporegenometranscriptomeproteomemetabolomemicrobiomeviromebacteriomefungomeparasitomeholobiontsymbiosismutualismcommensalismparasitismpathogenesisvirulencetransmissionvectorial-capacitybasic-reproduction-numberR0force-of-infectionincidenceseroprevalencecase-fatality-ratemorbiditydisability-adjusted-life-yearDALYquality-adjusted-life-yearQALYcost-effectivenesseconomic-burdenpublic-health-burdenveterinary-burdenagricultural-impactwildlife-impactconservationbiodiversityecosystem-servicedisserviceOne-HealthEcoHealthPlanetary-Healthintegrated-pest-managementIPMvector-controlacaricideinsecticideresistanceinsecticide-resistanceacaricide-resistanceresistance-managementrotationmosaicmixturesynergistbiological-controlentomopathogenic-fungusnematodepredatorparasitoidhabitat-modificationenvironmental-managementpersonal-protectionrepellentinsecticide-treated-clothingpicaridinIR3535oil-of-lemon-eucalyptusPMD2-undecanonespatial-repellentattract-and-killpush-pullsurveillanceactive-surveillancepassive-surveillancesentinel-surveillancesyndromic-surveillancetick-dragflaggingCO2-trapdry-icehost-seekingtick-collectionspecimen-preservationvoucheringmuseumcollectionrepositorydatabaseGBIFGenBankBOLDNCBIITISEOLWikidataWikipediaResearchGateGoogle-ScholarWeb-of-ScienceScopusPubMedMEDLINEEMBASECAB-AbstractsZoological-RecordBIOSISagricolaagricultural-databaseveterinary-databasemedical-databaseentomological-databaseacarological-databasetick-databaseIxodes-databaseLyme-disease-databasevector-databasepathogen-databaseBorrelia-databasespirochete-databaseecological-databasebiodiversity-databaseobservationcitizen-scienceiNaturalisteBirdProject-FeederWatchChristmas-Bird-CountNorth-American-Breeding-Bird-Surveybird-bandingmark-recaptureradio-telemetryGPS-trackinggeolocatorlight-level-loggeraccelerometerstable-isotopeisotope-analysismigratory-connectivityflywaymigration-routewintering-groundbreeding-groundstopover-sitemolt-migrationirruptive-migrationnomadismdispersalnatal-dispersalbreeding-dispersalseed-dispersalpollinationtrophic-cascadefood-webfood-chaintrophic-levelapex-predatormesopredatorkeystone-speciesecosystem-engineerfoundation-speciesflagship-speciesumbrella-speciesindicator-speciessentinel-speciesbioindicatorbiomonitorenvironmental-monitorpollution-indicatorclimate-indicatordisease-indicatorhealth-indicatorOne-Health-indicatorsurveillance-indicatorearly-warningrisk-assessmenthazard-identificationexposure-assessmentdose-responserisk-characterizationrisk-managementrisk-communicationrisk-perceptionrisk-behaviorprotective-behaviorpreventive-behaviorhealth-belief-modeltheory-of-planned-behaviorsocial-cognitive-theoryhealth-communicationhealth-educationhealth-promotiondisease-preventionprimary-preventionsecondary-preventiontertiary-preventionscreeningdiagnosistreatmentantibioticdoxycyclineamoxicillinceftriaxoneazithromycinprophylaxispost-exposure-prophylaxisvaccineLyme-disease-vaccinetick-vaccineanti-tick-vaccinetarget-of-acquired-immunitytick-salivasalivary-glandsalivary-proteinimmunomodulationimmunosuppressionanti-inflammatoryanticoagulantvasodilatoranestheticcement-conetick-attachmentfeeding-lesiontick-bitetick-borne-encephalitisTBEPowassan-virusdeer-tick-virusHeartland-virusBourbon-virusColorado-tick-feverRocky-Mountain-spotted-feverRMSFehrlichiosisanaplasmosisbabesiosistheileriosiscytauxzoonosishepatozoonosistick-paralysistick-toxicosisalpha-gal-syndromered-meat-allergygalactose-alpha-1,3-galactosesensitizationIgEallergic-reactionanaphylaxisdelayed-hypersensitivityimmediate-hypersensitivityimmune-responseinnate-immunityadaptive-immunityhumoral-immunitycell-mediated-immunityantibodycomplementcytokinechemokineinflammationfeverrasherythema-migransbulls-eye-rashSTARISouthern-tick-associated-rash-illnessBorrelia-lonestarirelapsing-fevertick-borne-relapsing-feverTBRFsoft-tickOrnithodorosArgasAmblyommaDermacentorHaemaphysalisRhipicephalusHyalommaBothriocrotonCosmiommaNosommaAnomalohimalayaArchaeocrotonCornupalpatumCompluriscutulaSternalixodesTrichotoixodesScaphixodesEndopalpigerEschariopalpigerExopalpigerPholeoixodesAfrixodesCeratixodesEschatocephalusEternalixodesLepidixodesMalayixodesMartaregaMegalixodesMyrmixodesNothoixodesOctoixodesPalpigerPartipalpigerPilonyssusProknekaliaPseudixodesRhinixodesSamarixodesXiphixodessubgenusspecies-groupI.-ricinus-complexI.-persulcatus-complexI.-scapularis-complexI.-pacificus-complexI.-affinis-groupI.-cookei-groupI.-marxi-groupI.-angustus-groupI.-soricis-groupI.-uriae-groupI.-holocyclus-groupI.-ceylonensis-groupI.-granulatus-groupI.-ovatus-groupI.-nipponensis-groupI.-persulcatus-groupI.-pavlovskyi-groupI.-ricinus-groupI.-scapularis-groupI.-pacificus-groupI.-affinisI.-auritulusI.-australiensisI.-boliviensisI.-brunneusI.-cookeiI.-cooleyiI.-cornuaeI.-cornuatusI.-crenulatusI.-damminiI.-dawsoniI.-dentatusI.-diomedeaeI.-domergueiI.-eadsiI.-eastoniI.-eldaricusI.-elongatusI.-eudyptidisI.-euplectropiI.-evansiI.-fecialisI.-festaiI.-frontalisI.-galapagoensisI.-ghilaroviI.-gibbosusI.-granulatusI.-gregsoniI.-hearleiI.-hexagonusI.-hirstiI.-holocyclusI.-hoogstraaliI.-howelliI.-hyattiI.-jacksoniI.-jellisoniI.-kashmiricusI.-kazakstaniI.-kingiI.-kohlsiI.-kopsteiniI.-kuntziI.-laguriI.-latusI.-layingensisI.-lewisiI.-lividusI.-longiscutatusI.-loricatusI.-luciaeI.-malayensisI.-marxiI.-masloviI.-matopiI.-minorI.-monospinosusI.-moreliI.-moschiferiI.-murisI.-murreletiI.-myospalacisI.-nchisiensisI.-necromysI.-neitziI.-nipponensisI.-nuttalliI.-ochotonaeI.-okapiaeI.-oldiI.-ornithorhynchiI.-ovatusI.-pacificusI.-pararicinusI.-pavlovskyiI.-percavatusI.-peromysciI.-persulcatusI.-pomerantziI.-pterodromaeI.-quadratusI.-raccoonisI.-rageauiI.-randrianasoloiI.-rasusI.-redikorzeviI.-ricinusI.-rothschildiI.-rotundatusI.-rubicundusI.-rugicollisI.-rugosusI.-sapeloensisI.-sarsiI.-scapularisI.-schillingsiI.-sculptusI.-semenoviI.-soricisI.-spinaeI.-steiniI.-stilesiI.-stromiI.-subterranusI.-tancitariusI.-tanukiI.-tapirusI.-tasmaniI.-tayloriI.-tertiariusI.-texanusI.-theileraeI.-thomasaeI.-tovariI.-transvaalensisI.-triangulicepsI.-trichosuriI.-turdusI.-uriaeI.-vandenbergiI.-vanidicusI.-ventalloiI.-vespertilionisI.-victoriensisI.-walkeraeI.-werneriI.-woodiI.-zaglossiI.-zairensistick-taxonomytick-systematicstick-phylogenytick-evolutiontick-biogeographytick-ecologytick-physiologytick-behaviortick-reproductiontick-developmenttick-nutritiontick-metabolismtick-respirationtick-excretiontick-osmoregulationtick-neurobiologytick-sensory-biologytick-chemoreceptiontick-thermoreceptiontick-mechanoreceptiontick-photoreceptiontick-circadian-rhythmtick-biological-clocktick-seasonalitytick-diapausetick-overwinteringtick-cold-hardinesstick-desiccation-resistancetick-water-balancetick-cuticletick-moltingtick-ecdysistick-growthtick-feedingtick-engorgementtick-blood-mealtick-digestiontick-salivationtick-saliva-compositiontick-salivary-gland-transcriptometick-salivary-proteometick-pharmacologytick-toxicologytick-venomtick-paralysis-toxintick-borne-pathogentick-borne-virustick-borne-bacteriumtick-borne-protozoantick-borne-helminthtick-borne-rickettsiatick-borne-ehrlichiatick-borne-anaplasmatick-borne-borreliatick-borne-babesiatick-borne-theileriatick-borne-hepatozoontick-borne-coxiellatick-borne-francisellatick-borne-bartonellatick-borne-chlamydiatick-borne-mycoplasmatick-borne-spiroplasmatick-borne-arbovirustick-borne-flavivirustick-borne-bunyavirustick-borne-reovirustick-borne-orbivirustick-borne-coltivirustick-borne-nairovirustick-borne-phlebovirustick-borne-thogotovirustick-borne-orthomyxovirustick-borne-arenavirustick-borne-hantavirustick-borne-paramyxovirustick-borne-rhabdovirustick-borne-bornavirustick-borne-filovirustick-borne-coronavirustick-borne-poxvirustick-borne-herpesvirustick-borne-adenovirustick-borne-papillomavirustick-borne-polyomavirustick-borne-circovirustick-borne-parvovirustick-borne-anellovirustick-borne-dependovirustick-borne-tenuivirustick-borne-deltavirustick-borne-hepadnavirustick-borne-retrovirustick-borne-lentivirustick-borne-spumavirustick-borne-metavirustick-borne-pseudovirustick-borne-hemivirustick-borne-novirhabdovirustick-borne-peribunyavirustick-borne-phenuivirustick-borne-bandavirustick-borne-phasivirustick-borne-tulasvirustick-borne-orthonairovirustick-borne-shavivirustick-borne-sathuperi-virustick-borne-salehabad-virustick-borne-dera-ghazi-khan-virustick-borne-hughes-virustick-borne-farallon-virustick-borne-punta-salinas-virustick-borne-sapphire-II-virustick-borne-zirqa-virustick-borne-keterah-virustick-borne-thiafora-virustick-borne-erve-virustick-borne-malsoor-virustick-borne-tibet-virustick-borne-qalyub-virustick-borne-yogue-virustick-borne-kasokero-virustick-borne-lebombo-virustick-borne-nyamanini-virustick-borne-midway-virustick-borne-tokar-virustick-borne-absettarov-virustick-borne-hypr-virustick-borne-kumlinge-virustick-borne-omsk-hemorrhagic-fever-virustick-borne-langat-virustick-borne-louping-ill-virustick-borne-kyasanur-forest-disease-virustick-borne-alkhurma-hemorrhagic-fever-virustick-borne-powassan-virustick-borne-deer-tick-virustick-borne-heartland-virustick-borne-bourbon-virustick-borne-colorado-tick-fever-virustick-borne-eyach-virustick-borne-banna-virustick-borne-seadornavirustick-borne-great-island-virustick-borne-kemerovo-virustick-borne-lipovnik-virustick-borne-tribec-virustick-borne-chobar-gorge-virustick-borne-wad-Medani-virustick-borne-dugbe-virustick-borne-crimean-congo-hemorrhagic-fever-virustick-borne-nairobi-sheep-disease-virustick-borne-ganjam-virustick-borne-bandia-virustick-borne-sierra-nevada-virustick-borne-lone-star-virustick-borne-severe-fever-with-thrombocytopenia-syndrome-virustick-borne-huaiyangshan-virustick-borne-guertu-virustick-borne-Alongshan-virustick-borne-wenzhou-virustick-borne-wuhan-virustick-borne-yongjia-virustick-borne-chiba-virustick-borne-natori-virustick-borne-odawara-virustick-borne-kowloon-virustick-borne-tamanavirusMegisthanidae
Megisthanidae is a family of mites in the order Mesostigmata, comprising 26 recognized species. Members of this family include the largest known mesostigmatid mites. The family is classified within the superfamily Megisthanoidea and the infraorder Antennophorina. At least one genus, Megisthanus, is definitively placed within this family.
Mesostigmata
Mesostigs
Mesostigmata is the largest order of mites in the Parasitiformes, comprising over 8,000 species in 130 families. The group exhibits remarkable ecological diversity, including free-living predators in soil and litter, parasites of vertebrates and arthropods, fungus feeders, and pollen consumers. Many species serve as important biological control agents in agricultural systems, while others such as Varroa destructor are significant economic pests of honey bees. The order is distinguished morphologically by a single pair of lateral spiracles and associated peritrematal grooves.