Description: Ballus chalybeius from Cologne, Germany, caught in late September 2006. The spider is 3 to four millimeters long (without legs). Sorry for the bad resolution, this is the limit of my camera :( Identification by Barbara Thaler-Knoflach. Date: 16 November 2006. Source: Own work. Author: Sarefo. Other versions: Image:Salticid.061116.2.jpg, Image:Salticid.061116.in.retreat.jpg.