Callobius claustrarius
Encyclopedia
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.
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
.
Abdomen
In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...
is dark grey with an extended brown surface, dotted with lighter brown specks.
Adults can be found from autumn to spring.
This is a palearctic
Palearctic
The Palearctic or Palaearctic is one of the eight ecozones dividing the Earth's surface.Physically, the Palearctic is the largest ecozone...
species. In Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
, 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
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...
.