A faunistic database on the spiders of the Caucasus
Servane Laine found a beautiful female of Araneus quadratus in Svaneti (near Mestia) in September, 2008 - and took a picture of it.
Here it is …

"... a thorough collecting of Arachnids in Transcaucasia would yield a magnificent prey because, namely in spiders, an astonishing richness in both individuals and species made itself noticeable." L. Koch (1878)