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Female 10 to 18 mm.
Abdomen yellow-grey to grey-brown, sometimes with a faint pattern of white dots.
Carapace like abdomen.
Legs and palps light-dark annulated.
Male 9 to 17 mm.
Markings and colours almost identical to the female, but with more contrast.
Sandy and gravelly banks of streams and rivers.
Common in the whole of Europe, but rare.
Spring, summer and autumn.