But try to contact Erdem Hizal and N. Nihan Parlak of the Department of Forest Entomology and Protection at the Istanbul University. They recently published on Bruchinae of Turkey.
see http://www.bioone.org/doi/abs/10.1653/024.096.0109
There also exist a key for Bruchidae from Fauna of Armenian USSR by A. P. Karapezjyan published in 1985
Фауна Армянской ССР, насекомые жеыскокрылые, Зерновки, Ереван, 170 с.
It is from an adjacent territory to Turkey. A ggod key for species from Central Europe sensu lato was published in Fauna Hungariae. It can be also useful.