Photo of Ninel A. Petrova with colleagues, participants of the XIV All-Russian Entomological Congress, Section of karyosystematics (2012, St. Petersburg). N.A. Petrova, N.V. Golub, V.G. Kuznetsova, S.V. Zhirov, N.V. Durnova, V.E. Gokhman, S.M. Grozeva, and V.A. Lukhtanov (right to left).