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Description of Clubiona trivialis (Northern sac spider)
Female 4 to 6 mm.
Abdomen shiny light brown to reddish brown without markings. Sometimes a very faint cardiac mark.
Carapace shiny light yellow-brown to reddish brown without markings. Chelicerae reddish.
Legs and palps shiny light yellow-brown to light brown.
Male 3.5 to 5 mm.
Markings and colours almost identical to the female.
In various areas on low vegetation and between stones. Up to 2,500 m.
Common in almost the whole of Europe.