Callobius claustrarius

Males of the spider species Callobius claustrarius reach 8 mm, females about 11 mm. Head and legs are reddish brown, the abdomen is dark grey with an extended brown surface, dotted with lighter brown specks.

Callobius claustrarius
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Arachnida
Order:
Araneae
Suborder:
Araneomorphae
Family:
Amaurobiidae
Genus:
Callobius
Species:
C. claustrarius
Binomial name
Callobius claustrarius
(Hahn, 1833)
Synonyms

Clubiona claustrarius
Amaurobius claustrarius
Cybaeus tetricus
Ciniflo claustrarius

Adults can be found from autumn to spring.

This is a palearctic species. In Europe, it is found in mountainous regions, especially in old, moist forests under rocks. C. claustrarius is a rather rare species.

The subspecies C. claustrarius balcanicus (Drensky, 1940) is only found in Bulgaria.[1]

Footnotes
  1. Platnick 2008

References
  • Platnick, Norman I. (2008): The world spider catalog, version 8.5. American Museum of Natural History.
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