Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Ariadna

Spider ID - Ariadna bicolor Spider ID - Ariadna bicolor Spider - Ariadna bicolor - female Is this a ground spider? - Ariadna bicolor Ariadna bicolor  - Ariadna bicolor - female Male spider - Ariadna - male Ariadna bicolor  - Ariadna bicolor - male spider - Ariadna bicolor
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Synspermiata)
Family Segestriidae (Tube Web Spiders)
Genus Ariadna
Synonyms and other taxonomic changes
Ariadna fidicina = Citharoceps fidicina
Ariadna pragmatica = A. bicolor
Numbers
Previously A. bicolor, fidicina, pilifera, perkinsi, pragmatica, and weaveri listed for United States.
Currently A. bicolor, arthuri, perkinsi
Identification
Male metatarsus I bent and with lateral process (spur). (1)
Range
A. bicolor - (US range) southwestern US northeast to New England
A. arthuri - (US range) Florida Keys
A. perkinsi - Hawaii
Print References
Beatty, J. (1970). The spider genus Ariadna in the Americas (Araneae, Dysderidae). Bulletin of the Museum of Comparative Zoology at Harvard College 139: 433-518.

Giroti, A. M. & Brescovit, A. D. (2018). The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae). Zootaxa 4400(1): 1-114.
Works Cited
1.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.