Sac spiders (Clubionidae)

Clubionidae (sac spiders)

Cubionidae , sac spider

Most spiders in the Clubionidae family are a grey/brown colour with little in the way of markings. They get the common name of sac spiders because the female is often found with her egg sac in a folded leaf or under a stone. They are mainly nocturnal. There are thirty-five species in Britain. The photograph above may be Clubonia terrestris, one of the British species.

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