Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Hacklemesh Weavers (Amaurobiidae)

Family Amaurobiidae - Hacklemesh Weavers

spider fell out of the boots from the garage Some t ype of wolf spider? bioblitz spider photo #3126 - Callobius - female Immature Cybaeid - female spider - Callobius Spider found indoors, maybe Callobius severus - Callobius Spider - Amaurobius ferox Adult female - Callobius severus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Amaurobiidae (Hacklemesh Weavers)
Numbers
There are 97 species in 10 genera in North America. (1)
Size
1.3-20.0 mm.
Range
This family is distributed across the United States and Canada, but the highest species diversity is found from California north to British Columbia.
Habitat
"Most amaurobiids occur in cryptozoic habitats on the forest floor, in and under decomposing logs, in leaf litter, and under rocks. Some... are found in the bark cavities of standing trees and others have been recorded from rocky grasslands, buildings and caves". (1)
Remarks
The placement of some images to genus and species in this family may be questionable as many are similar and hard to distinguish from photos alone.
Print References
A revision of the Nearctic Amaurobiidae (Arachnida: Araneidae) (2)
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.
2.A revision of the Nearctic Amaurobiidae (Arachnida: Araneidae)
Robin Leech. 1972. Memoirs of the Entomological Society of Canada 84: 1-82.
Contributed by john and jane balaban on 12 September, 2004 - 5:10pm
Additional contributions by Tony DiTerlizzi, Jeff Hollenbeck, cheins, kschnei, ceiseman, Laura P.
Last updated 24 May, 2022 - 3:25pm

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