The females make their thick walled egg sacs in the summer and guard it until the youngsters are born. The spider can be seen running in the sun with the movement of an ant hunting for them. Several species can be found in our region. They have a hairy mouse, grey-brown abdomen and resemble some Clubiona species. However, they are easily distinguished by the long tubular spinners.
Females seal themselves in silken cells with their egg sac.
They are nocturnal hunters. Their size varies between 9 and 18 mm. Two species occur in this region. Her abdomen has a clear pattern of white hairs. They can be found under stones and are frequently active in the sunshine.