Order: Araneae - Spiders Opiliones - Harvestmen Pseudoscorpiones - Pseudoscorpions Scorpiones - Scorpions
Scientific Name: Common Name:		Family (Alpha):	ACROPSOPILIONIDAE-AGELENIDAE-Funnel WeaversAMAUROBIIDAE-Hacklemesh WeaversANTRODIAETIDAE-Folding Trapdoor SpidersANYPHAENIDAE-Ghost SpidersARANEIDAE-Orb WeaversATYPIDAE-Purseweb SpidersBUTHIDAE-CADDIDAE-CHEIRACANTHIIDAE-CHEIRIDIIDAE-CHELIFERIDAE-CHERNETIDAE-CHTHONIIDAE-CICURINIDAE-CLUBIONIDAE-Sac SpidersCORINNIDAE-Antmimics and Ground Sac SpidersCOSMETIDAE-Armoured harvestmenCTENIDAE-Wandering SpidersCYBAEIDAE-DEINOPIDAE-Ogrefaced spiderDESIDAE-DICTYNIDAE-Mesh Web WeaversDYSDERIDAE-EUCTENIZIDAE-Wafer-lid Trapdoor SpidersFILISTATIDAE-GARYPINIDAE-GNAPHOSIDAE-Ground SpidersHAHNIIDAE-HALONOPROCTIDAE-HYPOCHILIDAE-LARCIDAE-LEPTONETIDAE-LINYPHIIDAE-Sheetweb and Dwarf SpidersLIOCRANIDAE-Liocranid Sac SpidersLYCOSIDAE-Wolf SpidersMICROHEXURIDAE-MIMETIDAE-Pirate spidersMITURGIDAE-Prowling SpidersMYSMENIDAE-NEOBISIIDAE-NEPHILIDAE-NESTICIDAE-Scaffold Web SpidersOECOBIIDAE-Wall spidersOONOPIDAE-OXYOPIDAE-Lynx SpidersPHALANGIIDAE-PHALANGODIDAE-Armoured harvestmenPHILODROMIDAE-Running Crab SpidersPHOLCIDAE-PHONOGNATHIDAE-PHRUROLITHIDAE-PISAURIDAE-Nursery Web SpidersSABACONIDAE-SALTICIDAE-Jumping SpidersSCLEROSOMATIDAE-SCYTODIDAE-SEGESTRIIDAE-SICARIIDAE-SPARASSIDAE-Giant Crab SpidersSTERNOPHORIDAE-TARACIDAE-TETRAGNATHIDAE-Long-jawed Orb WeaversTHERIDIIDAE-Cobweb SpidersTHERIDIOSOMATIDAE-Ray SpidersTHOMISIDAE-Crab SpidersTITANOECIDAE-TRACHELIDAE-TRIAENONYCHIDAE-Armoured harvestmenTRIDENCHTHONIIDAE-ULOBORIDAE-Cribellate Orb WeaversVAEJOVIDAE-ZOROPSIDAE-False Wolf Spiders & Wandering Spiders

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Sole representative of Segestriidae in NC

NC Records
Ariadna bicolor - a tube-dwelling spider

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Taxonomy Order: ARANEAE Infraorder: Araneomorphae Family: Segestriidae                                                                                   Comments: Now regarded as the basalmost sister group of the dysderoid spiders.

Identification Online Description/Photos: BugGuide Google, iNaturalist, Wikipedia, GBIF Comments: 6-eyed, resembles Dysdera. Legs pairs I, II, and III directed forward at rest, with only legs IV directed rearward. Total Length: Females 6.1-15mm, males 5.4-7.2mm

Distribution in North Carolina Comments: Maine to California, south to Florida and Mexico; few records from Great Plains. County Map: Clicking on a county returns the records for the species in that county. Adult phenology:  High Mountains (HM) ≥ 4,000 ft.  Low Mountains (LM) < 4,000 ft.  Piedmont (Pd)  Coastal Plain (CP) Click on graph to enlarge

Habitats and Life History Habitats: dry forest, buildings; under loose bark, in cracks in wood or rock Observation Methods: Abundance/Frequency: Silk / Web: Builds a tubular silk retreat with several trip lines. Behavior: Similar in habit to the filistatid Kukulcania hibernalis.

Status in North Carolina Natural Heritage Program Status: Natural Heritage Program Ranks: State Protection: Comments:

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