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

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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

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TaxonomyBrowse
Info
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Family Clubionidae - Sac Spiders

Epigynum, detached (ventral view) - Clubiona kulczynskii - female SpiderID2? Clubiona pygmaea - female Clubiona pygmaea - male Spider - Clubiona - male Spider - Clubiona - male sac spider - Elaver Spider - Clubiona
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Clubionidae (Sac Spiders)
Numbers
There are 2 genera in Bugguide's range - USA & Canada: Clubiona and Elaver.
Range
Clubiona - USA & Canada - Widespread
Elaver - USA & Canada - Eastern USA and extreme southeastern Canada west to Montana and Arizona. (1)
See Also
"Cheiracanthium are distinguished from the closely related species of Clubiona by lacking a conspicuous dorsal groove in the midline of the carapace, the lack of a cluster of long curved erect setae at the anterior end of the abdomen, by having the first pair of legs the longest, and by having a long, pointed spur extending back from the cymbium over the tibia. Species of Cheiracanthium are also chracterized by having relatively thinner legs and more robust bodies than Clubiona." From article by Jørgen Lissner.
Print References
RJ Edwards's 1958 revision of this family (a subfamily at that time) in the Bulletin of the Museum of Comparative Zoology at Harvard College is on page 365-436 here at the Biodiversity Heritage Library. Keep in mind that some of the genera in this revision have since been transferred to other families.
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.