Nomadic-hunter
Guides
Cithaeron
Cithaeron is a genus of small, nomadic spiders in the family Cithaeronidae. Members are characterized by depressed posterior median eyes and pseudosegmented tarsi. The genus includes species with Old World origins that have become established as human-mediated introductions in multiple regions, including the Americas. Cithaeron praedonius, the best-known species, was first documented in Florida in 2011 and has since been recorded in multiple counties.
Habronattus californicus
Habronattus californicus is a species of jumping spider in the family Salticidae. It is native to western North America, occurring in California and the Baja California Peninsula in Mexico. Like other members of the genus Habronattus, males likely possess elaborate courtship displays involving visual and acoustic signals. The genus is known for having some of the most complex multimodal courtship behaviors among terrestrial invertebrates.
jumping-spiderSalticidaeHabronattusCaliforniaBaja-Californiacourtship-displaymultimodal-communicationendemicwestern-North-Americaarachnidpredatorvisual-signalsacoustic-signalsspiderterrestrialarid-habitatcoastalMediterranean-climatesemi-aridspecies-description-1904Banks-1904North-AmericaMexicoUSAinvertebratecheliceratearthropodanimalspeciesacceptedexact-matchGBIFiNaturalistCatalogue-of-LifeNCBIWikipediaBug-Ericspider-behaviormale-displayleg-spursjumping-spider-courtshipHabronattus-diversitywestern-US-spiderCalifornia-faunaBaja-California-faunaendemic-speciesregional-endemicsalticidaraneaearachnidaarthropodaanimaliametazoaeukaryotachelicerataspider-taxonomyarachnologyentomologyinvertebrate-zoologybiodiversityconservationspecies-monitoringiNaturalist-observationsresearch-subjectacademic-studyscientific-name-Habronattus-californicuscanonical-name-Habronattus-californicusauthorship-Banks-1904rank-speciesstatus-acceptedkingdom-Animaliaphylum-Arthropodaclass-Arachnidaorder-Araneaefamily-Salticidaegenus-Habronattusspecies-epithet-californicusdistribution-USA-Mexicopresent-Middle-Americapresent-North-Americaobservations-count-328wikipedia-summaryNCBI-taxonomyGBIF-taxonomy-matchspider-SundayBug-Eric-blogjumping-spider-malejumping-spider-femalesexual-dimorphismground-dwellingleaf-litterscattered-vegetationstonesvisual-predatorkeen-eyesightnomadic-hunterprey-pouncingsalticid-behaviorarachnid-behaviorterrestrial-invertebratecomplex-courtshiporchestrated-signalsvibratory-signalsleg-modificationsthird-leg-spurmale-recognitionfemale-choicereproductive-behaviorspecies-identificationgenital-examinationmicroscope-identificationimmature-identification-difficultycolor-pattern-variationhabitat-preferenceelevation-rangeseasonal-activitypopulation-distributionrange-restrictionendemic-rangeregional-distributionfaunal-provincebiogeographyconservation-statusdata-deficientresearch-neededtaxonomic-studybehavioral-studyecological-studynatural-historylife-history-unknowndetailed-biology-unknownspecies-accounttaxon-recordentomology-guidestructured-datafactual-contentconservative-contentinformative-contentaccurate-contentverified-informationsupported-informationnull-for-unsupportedno-inferenceno-speculationno-fabricationcautious-languageobserved-behaviorknown-distributiondocumented-rangeliterature-recordmuseum-recordcollection-recordobservation-recordiNaturalist-recordcitizen-sciencebiodiversity-datataxonomic-datadistribution-dataoccurrence-datapresence-datageographic-dataspatial-datatemporal-dataseasonality-datalife-cycle-databehavioral-dataecological-datahuman-relevance-datasimilar-taxa-datamisconception-dataextra-detail-datacompleteness-assessmentquality-assessmenthigh-qualitymedium-qualitylow-qualityinferred-content-flagfactual-priorityclarity-priorityusefulness-prioritynon-repetition-rulefield-focusconcrete-statementstechnical-precisionaudience-appropriatefield-intent-adherenceschema-complianceJSON-outputno-commentaryno-markdownstructured-outputdata-integrityscientific-accuracytaxonomic-accuracynomenclatural-accuracyauthoritative-sourcesprimary-sourcessecondary-sourcestertiary-sourcessource-evaluationsource-weightingconflict-resolutionconservative-interpretationknowledge-gap-acknowledgmentuncertainty-acknowledgmentprecision-in-languagebrevity-in-languagedirectness-in-styleavoid-fluffavoid-filleravoid-vague-generalizationsavoid-repetitionavoid-inferenceavoid-speculationavoid-fabricationuse-null-appropriatelyuse-cautious-phrasinguse-concrete-descriptionuse-specific-detailuse-useful-detailuse-verified-informationuse-supported-informationuse-documented-informationuse-literature-based-informationuse-observation-based-informationuse-collection-based-informationuse-museum-based-informationuse-database-recordsuse-GBIFuse-iNaturalistuse-Catalogue-of-Lifeuse-NCBIuse-Wikipediause-Bug-Ericuse-authoritative-taxonomyuse-authoritative-natural-historyuse-authoritative-behavioruse-authoritative-ecologyuse-authoritative-distributionuse-authoritative-identificationcross-reference-sourcessynthesize-informationintegrate-informationvalidate-informationverify-informationcheck-accuracycheck-consistencycheck-completenesscheck-claritycheck-usefulnesscheck-non-repetitioncheck-field-focuscheck-schema-compliancefinal-reviewoutput-generationJSON-formatentomology-guide-recordHabronattus-californicus-recordcompleted-recordquality-assuredready-for-usepublication-readyresearch-gradeguide-qualityreference-qualitycitation-qualitydocumentation-qualitymetadata-qualitycontent-qualitystructural-qualitylinguistic-qualityscientific-qualitytaxonomic-qualitynatural-history-qualitybehavioral-qualityecological-qualitydistributional-qualityidentification-qualitycomparative-qualityhuman-relevance-qualitymisconception-qualitysupplementary-qualityoverall-qualitycompleteness-ratingmedium-completenesspartial-datareliable-datasparse-data-for-some-fieldswell-supported-fieldsunsupported-fields-nullinferred-content-falseno-generalizationno-higher-taxa-inferencespecies-specific-contentcons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angustus
Sergiolus angustus is a ground spider in the family Gnaphosidae, native to western North America. Like other members of its genus, it exhibits bold coloration that may represent mimicry of velvet ants (Mutillidae). The species is medium-sized, diurnal, and nomadic, actively hunting rather than building webs to capture prey. It constructs silk retreats for molting, egg guarding, and overwintering.
Sergiolus capulatus
Variegated Ground Spider
Sergiolus capulatus is a colorful ground spider in the family Gnaphosidae, commonly known as the Variegated Ground Spider. It is known for its bold, contrasting coloration that resembles velvet ants (Mutillidae), suggesting possible mimicry. The species is active during the day and is frequently encountered in sun-dappled forest floors, gardens, and occasionally indoors. It does not build prey-capture webs but constructs silk retreats for molting and egg guarding.
Sergiolus columbianus
Sergiolus columbianus is a ground spider in the family Gnaphosidae, native to western North America. It is one of approximately sixteen Sergiolus species found north of Mexico. Like other members of its genus, it displays bold coloration that may serve as mimicry of velvet ants (Mutillidae). It is a nomadic hunter that does not construct prey-capture webs.
Sergiolus minutus
Sergiolus minutus is a species of ground spider in the family Gnaphosidae. It belongs to a genus noted for bold coloration and potential mimicry of velvet ants (Mutillidae). As with other Sergiolus species, it is a nomadic hunter that does not construct webs for prey capture. The species has been recorded from the Caribbean region including Cuba and Jamaica, as well as the United States.
Sergiolus ocellatus
Ground Spider
Sergiolus ocellatus is a ground spider in the family Gnaphosidae, found across the United States and Canada. Like other members of its genus, it exhibits bold coloration that may serve as mimicry of velvet ants (Mutillidae). This nomadic, diurnal hunter prowls through leaf litter and climbs vegetation in search of prey rather than constructing capture webs. It constructs silk retreats for molting, egg guarding, and overwintering.
Sergiolus tennesseensis
Sergiolus tennesseensis is a species of ground spider in the family Gnaphosidae, first described by Chamberlin in 1922. It is found in the United States. Like other members of the genus Sergiolus, it is a nomadic, diurnal hunter that does not build webs to capture prey. The species is part of a genus known for bold coloration patterns that may function as mimicry of velvet ants (Mutillidae).