1	Marginal pygidial sulcus absent (Fig. 11D); pronotum lacking coarse lateral punctures	Operclipygus planifrons sp. n.
–	Marginal pygidial sulcus present; pronotum with or without coarse lateral punctures	2
2	Marginal pygidial sulcus weak, often fragmented or abbreviated basally (Fig. 11C); aedeagus abruptly narrowed in apical third, its apices angulately truncate (Fig. 12G)	Operclipygus punctistrius sp. n.
–	Marginal pygidial sulcus complete; aedeagus with sides evenly rounded to base and apex (Fig. 12F)	Operclipygus kerga (Marseul)