Clubiona corticalis (Walckenaer, 1802)

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Description of Clubiona corticalis (Barc sac spider)

Physical Characteristics

Resembles Clubiona comta, but is clearly larger.

Female 7 to 11 mm.
Abdomen glossy grey-brown haired with light brown fringed dark cardiac mark and light brown chevrons behind it narrowing towards the spinnerets.
Carapace reddish or yellowish brown with a very thin dark band along the edge.
Legs and palps reddish or yellowish brown with slightly darker metatarsi and tarsi.

Male 7 to 10 mm.
Markings and colours almost identical to the female.


Under bark of mainly conifers and under stones. Up to 1,200 m.


Common in the whole of Europe.


Spring and summer.