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Length Female grows to around 14mm, male up to 9mm
Phenology Adults of both sexes are found mainly between late spring and autumn, but females and occasionally males can be found during the winter
Description Dark coloured, shiny, pill-shaped abdomen. The female Walnut Orb-weaver has a larger, more rounded abdomen. The male is thinnrt with distinctive palps. Both the male and female have a brown, hence name , oak leaf shaped marking on the abdomen.
Life Cycle
Habitat & Ecology Conceals itself under bark and in fissures in posts and fences during the daytime. IThe body is flattened and this assists the spider to fit itself in the cracks and fissures.
By de:Benutzer:DarkOne (german wiki) [CC BY-SA 2.5], via Wikimedia Commons
