Figure 56; A Lectotype (♂, here designated) of Choeridium cupreum Blanchard, 1846 B Lectotype (♂, here designated) of Canthidium coerulescens Balthasar, 1939 C Lectotype (♂, here designated) of Canthon angustatus Harold, 1867 D Lectotype (♂, here designated) of Canthon angustatus ohausi Balthasar, 1939.