Distribution Records PDF
Vetting Levels |
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Adult phenology:
High Mountains (HM) ≥ 4,000 ft.
Low Mountains (LM) < 4,000 ft.
Piedmont (Pd)
Coastal Plain (CP)
Click on graph to enlarge
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synonym | |
taxonomic_comments |
Now regarded as the basalmost sister group of the dysderoid spiders. |
species_comment |
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id_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 |
structural_features |
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silk_web |
Builds a tubular silk retreat with several trip lines. |
fld_guide_descriptions |
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online_photos |
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prey |
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predators |
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behavior |
Similar in habit to the filistatid Kukulcania hibernalis. |
distribution_reference |
Bradley, Richard A. 2013. Common Spiders of North America. p. 207. University of California Press, Berkley & Los Angeles, CA. |
technical_reference |
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adult_id | 1 identifiable by photo 2 identifiable by photo of specific features and/or supplementary info 3 identifiable from specimen only |
abundance |
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distribution_comments |
Maine to California, south to Florida and Mexico; few records from Great Plains. |
checklist_mt_high >=4,000 ft. | |
checklist_mt_low <4,000 ft. | |
checklist_pd Piedmont | |
checklist_cp Coastal Plain | |
habitat |
dry forest, buildings; under loose bark, in cracks in wood or rock |
observation_methods |
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state_protection |
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NHP_ranks |
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NHP_status |
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status_comments |
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Photo Gallery for Ariadna bicolor a tube-dwelling spider |
| Recorded by: David George Chatham Co. Comment: Probably wrong, but someone suggested this on iNaturalist | | Recorded by: F. Williams, S. Williams Gates Co. Comment: MEMI |
| Recorded by: F. Williams, S. Williams Gates Co. Comment: MEMI |