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A relatively large orb-weaver spider. Females reach body length of 10–14mm, males 8–9mm. Their orb webs can have diameters of up to 70 cm .
Often found on bridges, especially near light and over water. The species tends to live on steel objects and is seldom seen on vegetation.They often hide during the day, and wait for prey in the centre of their web at night. Males can be found mostly during summer, females are active until November in Central Europe.