Bulgaria: Borovets - Drensky 1936 ; Banderitsa - Drensky 1936 ; Klisura - Drensky 1936 ; Kazanlak - Drensky 1936 ; Kalofer - Drensky 1936 ; Gabrovo - Drensky 1936 ; Veliko Tarnovo - Drensky 1936 ; Burgas - Drensky 1936 ; Plovdiv - Drensky 1936 ; Sofia (no locality specified) - Drensky 1936 ; Troyan - Drensky 1936 ; Lovech - Drensky 1936 ; Vratsa - Drensky 1936 ;