{"elementGlobalId":848970,"circumscripConfidence":null,"classificationLevel":{"id":7,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":null,"nameCategory":{"id":2,"nameCategoryDescEn":"Invertebrate Animal","nameCategoryDescEs":"Animal invertebrado","nameCategoryDescFr":"Animal invertébré","nameTypeCd":"A","nameTypeDesc":"Zoological"},"rankMethodUsed":null,"formattedScientificName":"<i>Loxosceles reclusa</i>","scientificName":"Loxosceles reclusa","scientificNameAuthor":"Gertsch and Mulaik, 1940","primaryCommonName":"Brown Recluse Spider","relatedItisNames":null,"uniqueId":"ELEMENT_GLOBAL.55.217","elcode":"ILARAM6020","conceptRefFullCitation":"Kaston, B.J. 1972. How to Know the Spiders. Wm C. Brown Company Publishers, Dubuque, Iowa. 272 p.","conceptName":"<i>Loxosceles reclusa</i>","taxonomicComments":null,"roundedGRank":"GNR","conservationStatusFactorsEditionDate":null,"conservationStatusFactorsEditionAuthors":null,"primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":848985,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"NNR","elementSubnationals":[{"elementSubnationalId":1242608,"subnation":{"id":59,"nameEn":"Wyoming","nameEs":"Wyoming","nameFr":"Wyoming","subnationCode":"WY","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":1242608,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":849019,"subnation":{"id":43,"nameEn":"Oklahoma","nameEs":"Oklahoma","nameFr":"Oklahoma","subnationCode":"OK","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":849019,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":1012113,"subnation":{"id":20,"nameEn":"Indiana","nameEs":"Indiana","nameFr":"Indiana","subnationCode":"IN","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":1012113,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":null,"nrank":"NNR","speciesNational":{"elementNationalId":848985,"exotic":false,"native":true}}],"lastModified":"2026-10-02T22:52:37.082631Z","lastPublished":"2026-10-02T21:32:08.892226Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.55.217/Loxosceles_reclusa","grankAdjustmentReasons":null,"grankChangeDate":null,"grankReviewDate":null,"grankReasons":null,"grank":"GNR","rankInfo":{"elementGlobalId":848970,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":null,"longTermTrend":null,"numberEos":null,"numberGoodEos":null,"numberProtEos":null,"popSize":null,"rangeExtent":null,"shortTermTrend":null,"threatImpactAssigned":null,"rangeExtentComments":null,"areaOfOccupancy":null,"areaOfOccupancyComments":null,"numberEosComments":null,"popSizeComments":null,"viabilityComments":null,"threatImpactComments":null,"shortTermTrendComments":null,"longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":null,"protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":{"elementGlobalId":848970,"majorHabitat":null,"nonMigrant":null,"localMigrant":null,"longDistanceMigrant":null,"mobilityMigrationComments":null,"foodHabitsComments":null,"animalPhenologyComments":null,"colonialBreeder":null,"length":null,"width":null,"weight":null,"animalPhenologies":[],"animalFoodHabits":[]},"occurrenceDelineations":[{"eoSpecsDetailId":-1,"locationUseClass":null,"eoSpecGroupName":"Default","subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":null,"minimumEoCriteria":null,"mappingGuidance":null,"separationBarriers":null,"separationDistanceUnsuitableHabitatat":1.0,"separationDistanceSuitableHabitatat":1.0,"altSeparationProcedure":null,"separationJustification":null,"versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-02-25T14:20:12.251048Z"}],"plantCharacteristics":null,"elementManagement":{"elementGlobalId":848970,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":null,"restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":183557,"eoRankSpecsGroupName":null,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"excellentViability":null,"goodViability":null,"fairViability":null,"poorViability":null,"viabilityJustification":"Use the Generic Guidelines for the Application of Occurrence Ranks (2008).<br>The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.","versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-05-14T05:36:50.880925Z"}],"references":[{"id":120368,"citation":"Kaston, B.J. 1972. How to Know the Spiders. Wm C. Brown Company Publishers, Dubuque, Iowa. 272 p.","shortCitationAuthor":"Kaston","shortCitationYear":1972,"referenceCode":"B72KAS01HQUS","lastModified":"2020-02-25T18:27:51.677457Z"}],"otherCommonNames":[],"speciesGlobal":{"elementGlobalId":848970,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":null,"jurisEndem":{"id":3,"jurisEndemDescEn":"endemic to a single nation","jurisEndemDescEs":"Endémico de una nación","jurisEndemDescFr":"Endémique à une nation"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":76,"level1":"Animals","level2":"Other Invertebrates - Terrestrial/Freshwater","level3":"Spiders and other Chelicerates","level":3,"hasChildren":false,"parentId":73,"distributionStatus":"not","displayOrder":4240},"parentSpecies":null,"infraspecies":false,"kingdom":"Animalia","phylum":"Arthropoda","taxclass":"Arachnida","taxorder":"Araneae","family":"Sicariidae","genus":"Loxosceles","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":false,"synonyms":[],"infraspeciesList":[],"ebarId":null,"ebarCanadianScope":null,"ebarGlobalScope":null,"ebarKbaGroup":"Invertebrates","caGeneralStatusId":null},"speciesCharacteristics":{"elementGlobalId":848970,"reproductionComments":null,"ecologyComments":null,"habitatComments":null,"generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":120368,"citation":"Kaston, B.J. 1972. How to Know the Spiders. Wm C. Brown Company Publishers, Dubuque, Iowa. 272 p.","shortCitationAuthor":"Kaston","shortCitationYear":1972,"referenceCode":"B72KAS01HQUS","lastModified":"2020-02-25T18:27:51.677457Z"},"predecessors":[],"elementGlobalThreatAssessments":[]}