Bitomus (Bitomus) castus (Zaykov, 1983)
Opius (Lissosema) castus Zaykov, 1983: 33 –42. Biotomus castus Fischer, 1984a: 85 –131.
Bitomus (Bitomus) castus Fischer, 1994: 16
Distribution in Turkey. Istanbul (Fischer & Beyarslan, 2005a); Karabük (Beyarslan & Fischer, 2011). Distribution. Western Palaearctic. Bulgaria, Russia, Turkey.