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Description of Arctosa cinerea (Riverbank wolf spider)
Physical Characteristics
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.
Habitat
Sandy and gravelly banks of streams and rivers.
Distribution
Common in the whole of Europe, but rare.
Period
Spring, summer and autumn.