"New synonymy is established: P. (Ph.) ussuriensis (Tschitschйrine, 1897) = P. burkhan Berlov et Anichtchenko, 2005, syn.n."

Fedorenko D.N. 2023. New taxa of Pterostichus (Coleoptera: Carabidae) from Vietnam // Russian Entomol. J. Vol.32. No.1: 16–39
https://kmkjournals.com/journals/REJ/REJ_Index_Volumes/REJ_32/REJ_32_1_016_039